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作物学报 ›› 2022, Vol. 48 ›› Issue (6): 1301-1311.doi: 10.3724/SP.J.1006.2022.13031

• 作物遗传育种·种质资源·分子遗传学 •    下一篇

基于SNP标记揭示中国鲜食玉米品种的遗传多样性

肖颖妮**(), 于永涛**, 谢利华, 祁喜涛, 李春艳, 文天祥, 李高科*(), 胡建广*()   

  1. 广东省农业科学院作物研究所 / 广东省农作物遗传改良重点实验室, 广东广州 510640
  • 收稿日期:2021-04-18 接受日期:2021-10-19 出版日期:2022-06-12 网络出版日期:2021-11-10
  • 通讯作者: 李高科,胡建广
  • 作者简介:肖颖妮, E-mail: xyn_xyn@126.com第一联系人:

    ** 同等贡献

  • 基金资助:
    国家重点研发计划项目(2018YFD0100106);国家重点研发计划项目(2018YFD0200700);广东省重点领域研发计划项目(2018B020202008);广东省乡村振兴战略专项(粤财农[2020]100号);广东省农业科学院学科团队建设项目(202115TD);广东省农业种业共性关键技术创新团队项目(2020KJ106);广州市科技计划项目(201804020081);科技创新战略-高水平农科院建设项目(R2017YJ-YB1002);科技创新战略-高水平农科院建设项目(R2018PY-QF006);科技创新战略-高水平农科院建设项目(R2018QD-048)

Genetic diversity analysis of Chinese fresh corn hybrids using SNP Chips

XIAO Ying-Ni**(), YU Yong-Tao**, XIE Li-Hua, QI Xi-Tao, LI Chun-Yan, WEN Tian-Xiang, LI Gao-Ke*(), HU Jian-Guang*()   

  1. Crop Research Institute, Guangdong Academy of Agricultural Sciences / Key Laboratory of Crops Genetics and Improvement of Guangdong Province, Guangzhou 510640, Guangdong, China
  • Received:2021-04-18 Accepted:2021-10-19 Published:2022-06-12 Published online:2021-11-10
  • Contact: LI Gao-Ke,HU Jian-Guang
  • About author:First author contact:

    ** Contributed equally to this work

  • Supported by:
    National Key Research and Development Project of China(2018YFD0100106);National Key Research and Development Project of China(2018YFD0200700);Key Area Research and Development Program of Guangdong Province(2018B020202008);Provincial Rural Revitalization Strategy Special Project of Guangdong (YueCaiNong [2020]100);Discipline Team Building Projects of Guangdong Academy of Agricultural Sciences(202115TD);Common Technical Innovation Team on Agricultural Seed Industry of Guangdong Province(2020KJ106);Science and Technology Planning Project of Guangzhou(201804020081);Special Fund for Scientific Innovation Strategy-Construction of High Level Academy of Agricultural Science(R2017YJ-YB1002);Special Fund for Scientific Innovation Strategy-Construction of High Level Academy of Agricultural Science(R2018PY-QF006);Special Fund for Scientific Innovation Strategy-Construction of High Level Academy of Agricultural Science(R2018QD-048)

摘要:

中国已经成为全球鲜食玉米最主要生产和消费国家之一, 解析我国鲜食玉米品种之间的遗传多样性和亲缘关系, 对品种鉴定和品种培育具有重要的指导意义。本研究利用Illumina Maize 6K芯片对全国范围内的385个鲜食玉米品种进行全基因组扫描, 了解群体结构, 划分种质类群, 估算品种间的遗传距离, 揭示其遗传多样性。结果表明, 5067个SNP标记在385个鲜食玉米品种中基因多样性平均0.406, 变幅为0.097~0.500; 多态信息含量(polymorphism information content, PIC)平均0.319, 变幅为0.092~0.375。通过PCA分析和群体遗传结构分析一致表明, 本研究所收集的品种主要划分为3个类群, 分别为糯玉米类群(糯玉米和甜糯玉米, 共185个品种)、温带甜玉米类群(123个品种)和热带甜玉米类群(77个品种)。两两品种间的遗传距离在0.132~0.472之间, 平均值为0.37。通过FST分析检测到不同类群间有160个区域受到强烈选择, 其中包括4个玉米籽粒淀粉合成途径的关键基因(sh2su1su2wx1), 进一步利用分子标记验证了sh2DGAT1-2两个位点在鲜食玉米群体不同选择模式。本研究为我国鲜食玉米品种选育和改良提供了重要的理论指导。

关键词: 鲜食玉米, 遗传多样性, 群体结构, 遗传距离, 选择位点

Abstract:

China is a major fresh corn production and consumption country in the world. Assessment of genetic diversity and relationships among fresh corn hybrids in China has great benefit for hybrid identification and breed cultivation. In this study, an Illumina Maize 6K chip was employed to perform genome-wide scanning for the population structure and genetic distance of 385 fresh corn hybrids nationwide. The results showed that the average genetic diversity of 5067 SNP markers in 385 fresh corn hybrids was 0.406, with a range of 0.097-0.500. The average polymorphic information content (PIC) was 0.319, with a range of 0.092-0.375. The results of PCA and population genetic structure analysis revealed that the hybrids were mainly divided into three groups, which were non-sweet corn group (185 varieties), temperate sweet corn group (123 varieties), and tropical sweet corn group (77 varieties). The genetic distance between any two hybrids ranged from 0.132 to 0.472, with an average of 0.37. A total of 160 genome regions indicated strong population differentiation among different groups following FST analysis. Four key genes (sh2, su1, su2, and wx1) of starch synthesis pathway in maize grains were detected. Two candidate genes (sh2 and DGAT1-2) demonstrated different selection patterns in fresh corn groups and were validated using molecular markers. These results provide important theoretical guidance for the breeding and improvement of fresh corn varieties in China.

Key words: fresh corn, genetic diversity, population structure, genetic relationships, selective signals

附表1

本研究中鲜食玉米品种列表"

编号
ID
名称
Name
鲜食玉米类型
Group
BT-117 Baiyuchaotian Sweet corn
BT-29 Huxuetian 1 Sweet corn
BT-36 Gaofeng Sweet corn
BT-37 Sidatian 220 Sweet corn
BT-89 Zhengtian 89 Sweet corn
CT-60 Heimeigui 8 Sweet corn
CT-61 Heimeigui 13 Sweet corn
HT-1 Cupola Sweet corn
HT-10 Shantian 7 Sweet corn
HT-100 Yuetian 26 Sweet corn
HT-101 Yuetian 35 Sweet corn
HT-102 Yuetian 36 Sweet corn
HT-103 Rongyutian 6 Sweet corn
HT-104 Rongyutian 8 Sweet corn
HT-105 Rongyutian 13 Sweet corn
HT-106 Letian 2 Sweet corn
HT-107 Letian 5 Sweet corn
HT-108 Letian 8 Sweet corn
HT-109 Qingtaitian Sweet corn
HT-11 Shantian 1 Sweet corn
HT-110 Etianyu 4 Sweet corn
HT-112 Yongzhen 7 Sweet corn
HT-113 Yongzhen 43 Sweet corn
HT-114 Shuangtian 2018 Sweet corn
HT-115 Taiwangtian Sweet corn
HT-116 Taimeitian Sweet corn
HT-117 NKT1701 Sweet corn
HT-118 Lutian 105 Sweet corn
HT-12 Putian 1 Sweet corn
HT-120 Rongyutian 1 Sweet corn
HT-121 Chuandantian 3 Sweet corn
HT-122 Jintianyu 1 Sweet corn
HT-123 Jinxiangyu 2 Sweet corn
HT-124 Shitianyu 1 Sweet corn
HT-125 Jinjinglong 2 Sweet corn
HT-126 Jinjinglong 288 Sweet corn
HT-127 Jinjinglong 258 Sweet corn
HT-128 Jinjinglong 211 Sweet corn
HT-13 Zhetian 808 Sweet corn
HT-130 Shuangsetian 3 Sweet corn
HT-131 Jintian 1702 Sweet corn
HT-132 Jinghuang 18 Sweet corn
HT-133 Shuangcui 159 Sweet corn
HT-134 YM1704 Sweet corn
HT-135 YM1801 Sweet corn
HT-136 Yuetian 415 Sweet corn
HT-137 Jinyutian 1 Sweet corn
HT-138 Minshuangse 6 Sweet corn
HT-139 Mintian 649 Sweet corn
HT-14 SWCB7503 Sweet corn
HT-140 Mintian 736 Sweet corn
HT-141 Mintian 723 Sweet corn
HT-142 Huitian 295 Sweet corn
HT-143 Huitian 188 Sweet corn
HT-144 Cuitian 616 Sweet corn
HT-145 Cuitian 216 Sweet corn
HT-146 YLT-161 Sweet corn
HT-147 YLT-162 Sweet corn
HT-148 YLT-163 Sweet corn
HT-149 Xiameit 12 Sweet corn
HT-15 SWCB8516 Sweet corn
HT-150 Xiameitian 28 Sweet corn
HT-151 Xiameitian 682 Sweet corn
HT-152 Xiameitian 689 Sweet corn
HT-153 Xiami Sweet corn
HT-154 Shuangse 2 Sweet corn
HT-155 Shuangsetian 1606 Sweet corn
HT-156 Suketian 1506 Sweet corn
HT-157 1801 Sweet corn
HT-158 1802 Sweet corn
HT-159 1803 Sweet corn
HT-16 SWCB5801 Sweet corn
HT-160 1804 Sweet corn
HT-161 1805 Sweet corn
HT-162 1806 Sweet corn
HT-163 1807 Sweet corn
HT-164 1808 Sweet corn
HT-165 1809 Sweet corn
HT-166 1810 Sweet corn
HT-167 Liketian 5807 Sweet corn
HT-168 DTWE-1714 Sweet corn
HT-169 Taitian 17-7 Sweet corn
HT-17 SWBB7404 Sweet corn
HT-170 Fangyuan HT18-1 Sweet corn
HT-171 Fangyuan HT18-2 Sweet corn
HT-172 Fangyuan HT18-3 Sweet corn
HT-173 Fangyuan HBT18-1 Sweet corn
HT-174 Fangyuan HBT18-2 Sweet corn
HT-177 Taitian 1 Sweet corn
HT-178 HT737 Sweet corn
HT-179 Shuiguoyumi 9 Sweet corn
HT-18 Zhengtian 66 Sweet corn
HT-180 Zhenmeitian Sweet corn
HT-181 3Haoyumi Sweet corn
HT-182 10Haotianyumi Sweet corn
HT-183 Zhongnongtian 808 Sweet corn
HT-184 Shenketian 1826 Sweet corn
HT-185 Shenketian 602 Sweet corn
HT-186 Shenketian 2 Sweet corn
HT-187 YLT-661 Sweet corn
HT-188 YLT-662 Sweet corn
HT-189 YLT-663 Sweet corn
HT-19 Weitian 1 Sweet corn
HT-190 Taiyang 3F Sweet corn
HT-191 Huangguan 8 Sweet corn
HT-192 Jinzhongtian 001 Sweet corn
HT-193 Cuitianyu 1 Sweet corn
HT-194 Taixiantian 559 Sweet corn
HT-195 Taixiantian 1 Sweet corn
HT-196 Taixiantian 4 Sweet corn
HT-197 Jinyuliangtian Sweet corn
HT-198 Bingqilinshuiguoyumi Sweet corn
HT-199 Tian 26 Sweet corn
HT-2 Shuangsexianmi Sweet corn
HT-20 1066 Sweet corn
HT-200 Huataizi Sweet corn
HT-201 Huanghou Sweet corn
HT-21 1076 Sweet corn
HT-22 Meitian Sweet corn
HT-23 Defu Sweet corn
HT-24 17Huangtian Sweet corn
HT-25 Yuntian 8 Sweet corn
HT-26 Zhentian 8 Sweet corn
HT-27 Guangliangtian 27 Sweet corn
HT-28 Huaweitian 16 Sweet corn
HT-29 SWC-1701 Sweet corn
HT-3 Xiantian 90 Sweet corn
HT-30 SWC-1702 Sweet corn
HT-31 SWC-1703 Sweet corn
HT-32 SWC-1705 Sweet corn
HT-33 Jinchaotian 1 Sweet corn
HT-34 Jiangxin 1806 Sweet corn
HT-35 Zhuyutian 1 Sweet corn
HT-36 Jinxi Sweet corn
HT-38 Wantian 2015 Sweet corn
HT-39 Zhongtian 6 Sweet corn
HT-4 Overland Sweet corn
HT-40 Halei Sweet corn
HT-41 Tianmei 307 Sweet corn
HT-42 Huangtian 1 Sweet corn
HT-43 309 Sweet corn
HT-44 Zhengtian 68 Sweet corn
HT-45 Fengyu 150 Sweet corn
HT-46 Fengyu 159 Sweet corn
HT-47 RA-Y-08 Sweet corn
HT-48 RA-Y-09 Sweet corn
HT-49 RA-Y-10 Sweet corn
HT-5 Jinguan 220 Sweet corn
HT-50 Xinhaizhen Sweet corn
HT-51 Bobao Sweet corn
HT-52 Fengmitianyu-8 Sweet corn
HT-53 Fengmitianyu-1 Sweet corn
HT-54 Fengmitianyu-3 Sweet corn
HT-55 Fengmitianyu-4 Sweet corn
HT-56 Fengmitianyu-5 Sweet corn
HT-57 Fengmitianyu-20 Sweet corn
HT-58 Fengmitianyu-25 Sweet corn
HT-59 Fengmitianyu-28 Sweet corn
HT-6 Jinguan 218 Sweet corn
HT-60 Fengmitianyu-6000A Sweet corn
HT-61 Fengmitianyu-6000 Sweet corn
HT-62 Fengmitianyu-5000 Sweet corn
HT-63 Guangtiantedajinyinsu Sweet corn
HT-64 Guangtian 1601 Sweet corn
HT-65 Hemeiyu Sweet corn
HT-66 Jinyinmi Sweet corn
HT-67 Jintiancui Sweet corn
HT-68 Hutian 1 Sweet corn
HT-69 Hutian 2 Sweet corn
HT-7 Shuangtian 318 Sweet corn
HT-70 Hutian 5 Sweet corn
HT-71 Jinyin 918 Sweet corn
HT-72 Jinyin 938 Sweet corn
HT-73 Luyutian 25 Sweet corn
HT-74 Shuangxi Sweet corn
HT-75 Sidatian 221 Sweet corn
HT-76 Hetian 5 Sweet corn
HT-77 Hetian 3 Sweet corn
HT-78 Hesu 1 Sweet corn
HT-79 Zhetian 11 Sweet corn
HT-8 Jinguan 597 Sweet corn
HT-80 Huanaitianyu 307 Sweet corn
HT-81 Yitian 609 Sweet corn
HT-82 Huitian 321 Sweet corn
HT-83 Guangliangtian 27-2 Sweet corn
HT-84 Guangliangtian 31 Sweet corn
HT-85 Tian 4 Sweet corn
HT-86 Tian 29 Sweet corn
HT-87 WT318 Sweet corn
HT-88 WT319 Sweet corn
HT-89 Jinchaotian 2016 Sweet corn
HT-9 SCCT-850 Sweet corn
HT-90 Rongyutian 9 Sweet corn
HT-91 Rongyutian 99 Sweet corn
HT-92 Weifengtian 777 Sweet corn
HT-94 Xiantian 53 Sweet corn
HT-95 Xiantian 131 Sweet corn
HT-96 Xiantian 89 Sweet corn
HT-97 Jinkatian 160 Sweet corn
HT-99 Yuetian 33 Sweet corn
BT-104 Baitiannuoyujing Sweet-Waxy corn
BT-105 Baitiannuo 3 Sweet-Waxy corn
BT-106 Jinnuo 628 Sweet-Waxy corn
BT-107 Jinnuo 1607 Sweet-Waxy corn
BT-108 Aotiannuo 65 Sweet-Waxy corn
BT-109 Fangyuan Btn18-1 Sweet-Waxy corn
BT-110 Fangyuan Btn18-2 Sweet-Waxy corn
BT-111 Fangyuan Btn18-3 Sweet-Waxy corn
BT-112 Baitiannuo 103 Sweet-Waxy corn
BT-113 Baitiannuo 1 Sweet-Waxy corn
BT-114 Baitiannuo B9 Sweet-Waxy corn
BT-115 Baitiannuo 101 Sweet-Waxy corn
BT-116 Zhongtiannuo C10 Sweet-Waxy corn
BT-118 Liangjingjing Sweet-Waxy corn
BT-119 Jingtiannuo Sweet-Waxy corn
BT-121 Jiazaobaitiannuo Sweet-Waxy corn
BT-122 Shenketiannuo Sweet-Waxy corn
BT-123 Zhenghan 928 Sweet-Waxy corn
BT-127 Baiyutiannuo Sweet-Waxy corn
BT-128 Xunnuo 6873N Sweet-Waxy corn
BT-129 Xiangtian 68 Sweet-Waxy corn
BT-130 Zaonuo 1 Sweet-Waxy corn
BT-15 Tianmei 306 Sweet-Waxy corn
BT-17 Jingkenuo 928 Sweet-Waxy corn
BT-2 Jiangnannuo 8 Sweet-Waxy corn
BT-20 Tianbainuo 009 Sweet-Waxy corn
BT-22 Meiyu 13 Sweet-Waxy corn
BT-24 Guangtiannuo 1 Sweet-Waxy corn
BT-27 Baitiannuo Sweet-Waxy corn
BT-28 Tiannuo 16880 Sweet-Waxy corn
BT-3 Punuo 818 Sweet-Waxy corn
BT-30 Tiannuosr 1801 Sweet-Waxy corn
BT-31 Tiannuosr 1802 Sweet-Waxy corn
BT-40 Yuetiannuo 2 Sweet-Waxy corn
BT-41 Xiyuebaitiannuo 8 Sweet-Waxy corn
BT-42 Xiyuebaitiannuo 9 Sweet-Waxy corn
BT-43 Hetiannuo 1 Sweet-Waxy corn
BT-44 Meiyujiatiannuo 13 Sweet-Waxy corn
BT-45 Bairuyu Sweet-Waxy corn
BT-46 Qiaojiaren Sweet-Waxy corn
BT-49 Huanaitiannuo 101 Sweet-Waxy corn
BT-5 Haiyu 14 Sweet-Waxy corn
BT-50 Huanaitiannuo 182 Sweet-Waxy corn
BT-51 Nongzhitiannuo 1802 Sweet-Waxy corn
BT-52 Longnuotian 1 Sweet-Waxy corn
BT-53 Longnuotian 2 Sweet-Waxy corn
BT-54 Jintiannuo 2017 Sweet-Waxy corn
BT-58 Guitiannuo 525 Sweet-Waxy corn
BT-59 Guitiannuo 527 Sweet-Waxy corn
BT-6 Haiyu 1 Sweet-Waxy corn
BT-64 HCN-1802 Sweet-Waxy corn
BT-68 Tianguinuo 161 Sweet-Waxy corn
BT-75 Futiannuo 2 Sweet-Waxy corn
BT-81 Mixiangtiannuo 265 Sweet-Waxy corn
BT-82 Xiantiannuo 868 Sweet-Waxy corn
BT-83 Jingtiannuo 15 Sweet-Waxy corn
BT-84 Jianuo 668 Sweet-Waxy corn
BT-86 Jinnuo 685-1 Sweet-Waxy corn
BT-87 Jinnuo 1805 Sweet-Waxy corn
BT-88 Guitiannuo 218 Sweet-Waxy corn
BT-91 Mintiannuo 818 Sweet-Waxy corn
BT-92 Huitiannuo 551 Sweet-Waxy corn
BT-95 Cuitiannuo 516 Sweet-Waxy corn
BT-96 Xuantiannuo 6 Sweet-Waxy corn
BT-98 Liutiannuo 593 Sweet-Waxy corn
BT-99 Nantiannuo 601 Sweet-Waxy corn
CT-1 CTN-803 Sweet-Waxy corn
CT-10 Zhencai 627 Sweet-Waxy corn
CT-11 Caihong 1 Sweet-Waxy corn
CT-12 Zhongnuo 510 Sweet-Waxy corn
CT-13 RA-Y-11 Sweet-Waxy corn
CT-14 Guangheitiannuo Sweet-Waxy corn
CT-15 Huameili Sweet-Waxy corn
CT-16 Yuehuatiannuo 12 Sweet-Waxy corn
CT-17 Heitiannuo 168 Sweet-Waxy corn
CT-18 Huanaicaitiannuo 102 Sweet-Waxy corn
CT-19 Longnuotian 3 Sweet-Waxy corn
CT-2 Jindian Sweet-Waxy corn
CT-21 Caitiannuo 100 Sweet-Waxy corn
CT-23 Hcn-1801 Sweet-Waxy corn
CT-25 Tianguinuo 932 Sweet-Waxy corn
CT-26 Tianguinuo 937 Sweet-Waxy corn
CT-28 Rongyunuo 1 Sweet-Waxy corn
CT-29 Jiacaitiannuo Sweet-Waxy corn
CT-30 Caitiannuo 627 Sweet-Waxy corn
CT-32 Huitiannuo 139 Sweet-Waxy corn
CT-34 Cuitiannuo 608 Sweet-Waxy corn
CT-36 Nancai 602 Sweet-Waxy corn
CT-39 Sukenuo 1505 Sweet-Waxy corn
CT-47 Caitiannuo 12 Sweet-Waxy corn
CT-48 Caitiannuo 17-4 Sweet-Waxy corn
CT-49 Caitiannuo 17-5 Sweet-Waxy corn
CT-5 Tianyunuo 22 Sweet-Waxy corn
CT-50 Fangyuan Ctn18-1 Sweet-Waxy corn
CT-51 Fangyuan Ctn18-2 Sweet-Waxy corn
CT-52 Feiyue Sweet-Waxy corn
CT-55 Caihuaxianzi Sweet-Waxy corn
CT-56 Zhenyoumei Sweet-Waxy corn
CT-57 Zhenghancaitian 628 Sweet-Waxy corn
CT-63 Xingcaizhen Sweet-Waxy corn
CT-8 Wancaitiannuo 118 Sweet-Waxy corn
HT-111 Huangbaitiannuo Sweet-Waxy corn
HT-129 Huangtiannuo 6 Sweet-Waxy corn
HT-175 Fangyuan Htn18-1 Sweet-Waxy corn
HT-176 Fangyuan Htn18-2 Sweet-Waxy corn
HT-37 Wanhuangtiannuo 1015 Sweet-Waxy corn
BT-1 N-832 Waxy corn
BT-10 Zhuyunuo 1 Waxy corn
BT-100 Zhunuo 10 Waxy corn
BT-101 Zhunuo 11 Waxy corn
BT-102 YN515 Waxy corn
BT-103 YN609 Waxy corn
BT-11 Wannuo 2000 Waxy corn
BT-12 Wannuo 158 Waxy corn
BT-120 Shenkenuo 6 Waxy corn
BT-124 HN01 Waxy corn
BT-125 HN02 Waxy corn
BT-126 Hangnuoyu 21 Waxy corn
BT-13 Wannuo 161 Waxy corn
BT-131 Meiweibainuoyumi Waxy corn
BT-14 Zhongnuo 3 Waxy corn
BT-16 Xiangchun 608 Waxy corn
BT-18 Jinnuo 691 Waxy corn
BT-19 Baiyunuo Waxy corn
BT-21 RA-Y-12 Waxy corn
BT-23 Guangnuo 1601 Waxy corn
BT-25 Huanuo 2000 Waxy corn
BT-26 Hemeiyu 2 Waxy corn
BT-32 Tianxiangnuo 8 Waxy corn
BT-33 Luyunuo 9 Waxy corn
BT-34 YYH17-1 Waxy corn
BT-35 YYH17-8 Waxy corn
BT-38 Sidanuo 38 Waxy corn
BT-39 Sidanuo 46 Waxy corn
BT-4 Mingyu 123 Waxy corn
BT-47 Shengkenuo 618 Waxy corn
BT-48 Shengkenuo 598 Waxy corn
BT-55 Rongyunuo 9 Waxy corn
BT-56 Rongyunuo 100 Waxy corn
BT-57 Haoshengnuo 1 Waxy corn
BT-60 Guinuo 528 Waxy corn
BT-61 Guinuo 529 Waxy corn
BT-62 Shennuo 8 Waxy corn
BT-63 Yunuo 930 Waxy corn
BT-65 Yuebainuo 6 Waxy corn
BT-66 Rongyutian 2 Waxy corn
BT-67 Xinnuo 601 Waxy corn
BT-69 Tianguinuo 162 Waxy corn
BT-7 Gengyunbainuo Waxy corn
BT-76 Kangmeinuo 188 Waxy corn
BT-77 Lingnuo 1 Waxy corn
BT-78 Lingnuo 3 Waxy corn
BT-79 Lingnuo 6 Waxy corn
BT-8 Bainuo 1601 Waxy corn
BT-85 Jinnuo 1607 Waxy corn
BT-9 Jinnuo 18 Waxy corn
BT-90 Cainongnuo 10 Waxy corn
BT-93 Huinuo 556 Waxy corn
BT-94 Cuinuo 5 Waxy corn
BT-97 Xuannuo 255 Waxy corn
CT-20 Guihuanuo 526 Waxy corn
CT-22 Kehuanuo 828 Waxy corn
CT-24 Yuehuanuo 1 Waxy corn
CT-3 Jinnuo 20 Waxy corn
CT-31 Guiheinuo 219 Waxy corn
CT-33 Huihuanuo 101 Waxy corn
CT-35 Cainuo 3689 Waxy corn
CT-37 Kunchang 1 Waxy corn
CT-38 Sukenuo 1501 Waxy corn
CT-4 Jinnuo 10 Waxy corn
CT-40 Huanuo 806 Waxy corn
CT-41 Huanuo 680 Waxy corn
CT-42 Heinuo 715 Waxy corn
CT-43 Heinuo 619 Waxy corn
CT-44 Suyunuo 1508 Waxy corn
CT-45 Suyunuo 1502 Waxy corn
CT-46 Honghuayujing Waxy corn
CT-53 Zhongcainuo 401 Waxy corn
CT-54 Heinuo 1 Waxy corn
CT-58 Chengtiannuo 801 Waxy corn
CT-59 Chengnuo 901 Waxy corn
CT-6 Wannuo 162 Waxy corn
CT-7 Wanzinuo 1227 Waxy corn
CT-9 Zhencai 626 Waxy corn
HT-119 Lunuo 005 Waxy corn

图1

385个鲜食玉米品种群体中的5067个SNP的统计分析 A: 最小等位基因频率分布图; B: 杂合率分布图; C: 缺失率箱线图; D: 基因多样性箱线图; E: 多态信息含量分布箱线图; F: 个体杂合度箱线图。"

图2

385份鲜食玉米品种PCA分析和群体遗传结构分析 A: 385份鲜食玉米品种2个主成分分析结果图。万糯2000、京科糯928、库普拉和广良田27号分别代表糯玉米、甜糯玉米、温带甜玉米和热带甜玉米4个主栽品种, 在图中用红点标出。B: 利用STRUCTURE软件计算385份鲜食玉米品种的群体结构, 分别计算K = 2~7时的ΔK。C: K = 2和K = 3时的群体结构。每条竖线代表一个品种, 不同颜色代表基因型来源不同, 当K = 3时, 群体可大体分为非甜玉米、温带甜玉米和热带甜玉米三大类。"

附表2

基于STRUCTURE软件的385个品种在K=3时的亚群划分"

编号
ID
亚群
Group
非甜玉米
Non-Sweet
热带甜玉米
Sweet-Tropic
温带甜玉米
Sweet-Temp
BT-1 Non-Sweet 0.9188 0.0317 0.0495
BT-10 Non-Sweet 0.7883 0.0412 0.1705
BT-100 Non-Sweet 0.9935 0.0027 0.0037
BT-101 Non-Sweet 0.9910 0.0010 0.0080
BT-102 Non-Sweet 0.6250 0.1498 0.2252
BT-103 Non-Sweet 0.7803 0.1051 0.1146
BT-104 Non-Sweet 0.9203 0.0570 0.0228
BT-105 Non-Sweet 0.7176 0.1275 0.1550
BT-106 Non-Sweet 0.6594 0.0118 0.3288
BT-107 Non-Sweet 0.5444 0.0877 0.3679
BT-108 Non-Sweet 0.5724 0.0030 0.4246
BT-109 Non-Sweet 0.9983 0.0010 0.0007
BT-11 Non-Sweet 0.8200 0.0020 0.1780
BT-110 Non-Sweet 0.8835 0.0542 0.0623
BT-111 Non-Sweet 0.7523 0.0735 0.1742
BT-112 Non-Sweet 0.7208 0.0872 0.1920
BT-113 Non-Sweet 0.6766 0.0147 0.3087
BT-114 Non-Sweet 0.9922 0.0043 0.0035
BT-115 Non-Sweet 0.9858 0.0132 0.0010
BT-116 Non-Sweet 0.9777 0.0178 0.0045
BT-117 Sweet-Temp 0.0315 0.0063 0.9622
BT-118 Non-Sweet 0.9890 0.0010 0.0100
BT-119 Non-Sweet 0.5739 0.0010 0.4251
BT-12 Non-Sweet 0.8788 0.0417 0.0795
BT-120 Non-Sweet 0.8952 0.0665 0.0383
BT-121 Non-Sweet 0.6815 0.0898 0.2288
BT-122 Non-Sweet 0.6540 0.1470 0.1990
BT-123 Non-Sweet 0.9895 0.0010 0.0095
BT-124 Non-Sweet 0.6300 0.1932 0.1767
BT-125 Non-Sweet 0.7763 0.1127 0.1110
BT-126 Non-Sweet 0.7211 0.0542 0.2247
BT-127 Non-Sweet 0.5338 0.0100 0.4563
BT-128 Non-Sweet 0.7476 0.0345 0.2179
BT-129 Non-Sweet 0.8937 0.0465 0.0597
BT-13 Non-Sweet 0.8615 0.0375 0.1010
BT-130 Non-Sweet 0.8492 0.0010 0.1497
BT-131 Non-Sweet 0.6947 0.1185 0.1867
BT-14 Non-Sweet 0.7702 0.1083 0.1215
BT-15 Non-Sweet 0.9010 0.0888 0.0103
BT-16 Non-Sweet 0.9993 0.0005 0.0002
BT-17 Non-Sweet 0.9888 0.0010 0.0102
BT-18 Non-Sweet 0.8490 0.0418 0.1093
BT-19 Non-Sweet 0.8472 0.0013 0.1516
BT-2 Non-Sweet 0.8760 0.0020 0.1220
BT-20 Non-Sweet 0.9937 0.0010 0.0053
BT-21 Non-Sweet 0.8385 0.0015 0.1600
BT-22 Non-Sweet 0.6732 0.1873 0.1395
BT-23 Non-Sweet 0.7964 0.1069 0.0967
BT-24 Non-Sweet 0.6747 0.1204 0.2048
BT-25 Non-Sweet 0.7036 0.1497 0.1467
BT-26 Non-Sweet 0.7682 0.0015 0.2303
BT-27 Non-Sweet 0.9882 0.0107 0.0010
BT-28 Non-Sweet 0.8270 0.1080 0.0650
BT-29 Sweet-Temp 0.0360 0.1145 0.8495
BT-3 Non-Sweet 0.7365 0.0532 0.2102
BT-30 Non-Sweet 0.6317 0.1880 0.1803
BT-31 Non-Sweet 0.7622 0.1695 0.0683
BT-32 Non-Sweet 0.5773 0.1943 0.2285
BT-33 Non-Sweet 0.6202 0.1578 0.2221
BT-34 Non-Sweet 0.6778 0.1822 0.1400
BT-35 Non-Sweet 0.5511 0.2008 0.2481
BT-36 Sweet-Temp 0.0020 0.0020 0.9960
BT-37 Sweet-Temp 0.0940 0.0177 0.8883
BT-38 Non-Sweet 0.6495 0.1820 0.1685
BT-39 Non-Sweet 0.6472 0.1618 0.1910
BT-4 Non-Sweet 0.8998 0.0900 0.0102
BT-40 Non-Sweet 0.6477 0.0030 0.3493
BT-41 Non-Sweet 0.5251 0.0010 0.4739
BT-42 Non-Sweet 0.8510 0.0810 0.0680
BT-43 Non-Sweet 0.8180 0.0600 0.1220
BT-44 Non-Sweet 0.7034 0.1663 0.1303
BT-45 Non-Sweet 0.5794 0.2018 0.2188
BT-46 Non-Sweet 0.5909 0.2059 0.2032
BT-47 Non-Sweet 0.6022 0.1772 0.2205
BT-48 Non-Sweet 0.7632 0.1253 0.1115
BT-49 Non-Sweet 0.6900 0.1050 0.2050
BT-5 Non-Sweet 0.7267 0.0018 0.2716
BT-50 Non-Sweet 0.8627 0.0040 0.1333
BT-51 Non-Sweet 0.7948 0.1313 0.0740
BT-52 Non-Sweet 0.6347 0.0255 0.3398
BT-53 Non-Sweet 0.5298 0.0012 0.4690
BT-54 Non-Sweet 0.9603 0.0010 0.0388
BT-55 Non-Sweet 0.5873 0.1902 0.2225
BT-56 Non-Sweet 0.5563 0.2042 0.2395
BT-57 Non-Sweet 0.6392 0.2173 0.1435
BT-58 Non-Sweet 0.7568 0.1460 0.0973
BT-59 Non-Sweet 0.7728 0.0367 0.1905
BT-6 Non-Sweet 0.8560 0.0013 0.1427
BT-60 Non-Sweet 0.8943 0.0597 0.0460
BT-61 Non-Sweet 0.7461 0.1440 0.1100
BT-62 Non-Sweet 0.8776 0.0392 0.0832
BT-63 Non-Sweet 0.5676 0.1765 0.2558
BT-64 Non-Sweet 0.8607 0.0010 0.1383
BT-65 Non-Sweet 0.6320 0.0195 0.3485
BT-66 Non-Sweet 0.6025 0.1798 0.2178
BT-67 Non-Sweet 0.8147 0.0015 0.1838
BT-68 Non-Sweet 0.5606 0.1638 0.2756
BT-69 Non-Sweet 0.6811 0.1090 0.2099
BT-7 Non-Sweet 0.9383 0.0345 0.0272
BT-75 Non-Sweet 0.6706 0.0047 0.3247
BT-76 Non-Sweet 0.8155 0.0935 0.0910
BT-77 Non-Sweet 0.6164 0.1695 0.2141
BT-78 Non-Sweet 0.6133 0.1650 0.2217
BT-79 Non-Sweet 0.7095 0.1746 0.1159
BT-8 Non-Sweet 0.9768 0.0142 0.0090
BT-81 Non-Sweet 0.6785 0.0140 0.3075
BT-82 Non-Sweet 0.7112 0.0113 0.2775
BT-83 Non-Sweet 0.7865 0.0010 0.2125
BT-84 Non-Sweet 0.8172 0.0305 0.1523
BT-85 Non-Sweet 0.5408 0.0902 0.3690
BT-86 Non-Sweet 0.9980 0.0010 0.0010
BT-87 Non-Sweet 0.8280 0.0440 0.1280
BT-88 Non-Sweet 0.5188 0.2592 0.2220
BT-89 Sweet-Temp 0.0037 0.0357 0.9605
BT-9 Non-Sweet 0.8753 0.0595 0.0652
BT-90 Non-Sweet 0.5908 0.1741 0.2351
BT-91 Non-Sweet 0.6246 0.0130 0.3624
BT-92 Non-Sweet 0.6882 0.0148 0.2971
BT-93 Non-Sweet 0.8462 0.1143 0.0395
BT-94 Non-Sweet 0.5912 0.0777 0.3311
BT-95 Non-Sweet 0.8923 0.0532 0.0545
BT-96 Non-Sweet 0.6977 0.0035 0.2988
BT-97 Non-Sweet 0.7823 0.1398 0.0780
BT-98 Non-Sweet 0.7524 0.0037 0.2439
BT-99 Non-Sweet 0.5786 0.0010 0.4204
CT-1 Non-Sweet 0.9888 0.0102 0.0010
CT-10 Non-Sweet 0.9893 0.0097 0.0010
CT-11 Non-Sweet 0.9837 0.0153 0.0010
CT-12 Non-Sweet 0.6880 0.1218 0.1902
CT-13 Non-Sweet 0.9723 0.0267 0.0010
CT-14 Non-Sweet 0.8765 0.1167 0.0067
CT-15 Non-Sweet 0.8970 0.0995 0.0035
CT-16 Non-Sweet 0.7997 0.1380 0.0623
CT-17 Non-Sweet 0.4659 0.0887 0.4454
CT-18 Non-Sweet 0.6787 0.1165 0.2048
CT-19 Non-Sweet 0.5079 0.1486 0.3435
CT-2 Non-Sweet 0.9153 0.0690 0.0158
CT-20 Non-Sweet 0.6343 0.2105 0.1553
CT-21 Non-Sweet 0.7950 0.1030 0.1020
CT-22 Non-Sweet 0.6910 0.2215 0.0875
CT-23 Non-Sweet 0.9635 0.0350 0.0015
CT-24 Non-Sweet 0.6429 0.1484 0.2086
CT-25 Non-Sweet 0.6651 0.1337 0.2012
CT-26 Non-Sweet 0.6559 0.1310 0.2131
CT-28 Non-Sweet 0.9858 0.0133 0.0010
CT-29 Non-Sweet 0.9908 0.0082 0.0010
CT-3 Non-Sweet 0.6813 0.1267 0.1920
CT-30 Non-Sweet 0.9970 0.0020 0.0010
CT-31 Non-Sweet 0.8775 0.0555 0.0670
CT-32 Non-Sweet 0.7508 0.1455 0.1037
CT-33 Non-Sweet 0.6015 0.1818 0.2168
CT-34 Non-Sweet 0.7680 0.1520 0.0800
CT-35 Non-Sweet 0.9397 0.0270 0.0333
CT-36 Non-Sweet 0.6950 0.0883 0.2168
CT-37 Non-Sweet 0.9550 0.0430 0.0020
CT-38 Non-Sweet 0.8280 0.1133 0.0588
CT-39 Non-Sweet 0.6910 0.1528 0.1563
CT-4 Non-Sweet 0.5585 0.1417 0.2997
CT-40 Non-Sweet 0.6737 0.1618 0.1645
CT-41 Non-Sweet 0.6002 0.1700 0.2298
CT-42 Non-Sweet 0.6250 0.1513 0.2238
CT-43 Non-Sweet 0.6005 0.1565 0.2430
CT-44 Non-Sweet 0.8610 0.0272 0.1117
CT-45 Non-Sweet 0.5331 0.2654 0.2015
CT-46 Non-Sweet 0.7232 0.1393 0.1375
CT-47 Non-Sweet 0.8480 0.1105 0.0415
CT-48 Non-Sweet 0.7984 0.1486 0.0530
CT-49 Non-Sweet 0.7883 0.1673 0.0445
CT-5 Non-Sweet 0.9950 0.0040 0.0010
CT-50 Non-Sweet 0.9777 0.0213 0.0010
CT-51 Non-Sweet 0.9898 0.0092 0.0010
CT-52 Non-Sweet 0.6711 0.1390 0.1900
CT-53 Non-Sweet 0.6293 0.1313 0.2395
CT-54 Non-Sweet 0.6655 0.1830 0.1515
CT-55 Non-Sweet 0.6713 0.1395 0.1892
CT-56 Non-Sweet 0.9780 0.0210 0.0010
CT-57 Non-Sweet 0.6752 0.1400 0.1848
CT-58 Non-Sweet 0.5041 0.2121 0.2838
CT-59 Non-Sweet 0.9428 0.0520 0.0053
CT-6 Non-Sweet 0.8765 0.0335 0.0900
CT-60 Sweet-Temp 0.1815 0.1320 0.6865
CT-61 Sweet-Temp 0.4021 0.1865 0.4114
CT-63 Non-Sweet 0.8837 0.1085 0.0078
CT-7 Non-Sweet 0.6645 0.1865 0.1490
CT-8 Non-Sweet 0.8310 0.0835 0.0855
CT-9 Non-Sweet 0.6457 0.1408 0.2136
HT-1 Sweet-Temp 0.0023 0.0010 0.9967
HT-10 Sweet-Tropic 0.0000 1.0000 0.0000
HT-100 Sweet-Temp 0.0592 0.2637 0.6771
HT-101 Sweet-Temp 0.0170 0.3475 0.6355
HT-102 Sweet-Temp 0.0630 0.2992 0.6378
HT-103 Sweet-Temp 0.2178 0.1937 0.5885
HT-104 Sweet-Temp 0.2732 0.1928 0.5340
HT-105 Sweet-Tropic 0.1589 0.4403 0.4008
HT-106 Sweet-Temp 0.0023 0.3250 0.6728
HT-107 Sweet-Tropic 0.0967 0.5663 0.3370
HT-108 Sweet-Tropic 0.1487 0.7425 0.1088
HT-109 Sweet-Tropic 0.0077 0.9892 0.0030
HT-11 Sweet-Tropic 0.0037 0.9815 0.0147
HT-110 Sweet-Temp 0.0033 0.2846 0.7122
HT-111 Non-Sweet 0.7192 0.1315 0.1493
HT-112 Sweet-Tropic 0.1470 0.4680 0.3850
HT-113 Sweet-Temp 0.0010 0.0010 0.9980
HT-114 Sweet-Temp 0.0048 0.0020 0.9932
HT-115 Sweet-Tropic 0.0483 0.9218 0.0300
HT-116 Sweet-Tropic 0.0000 1.0000 0.0000
HT-117 Sweet-Tropic 0.1677 0.5507 0.2816
HT-118 Sweet-Temp 0.0792 0.3329 0.5879
HT-119 Non-Sweet 0.5319 0.1600 0.3081
HT-12 Sweet-Temp 0.0135 0.3252 0.6613
HT-120 Sweet-Temp 0.0670 0.1830 0.7499
HT-121 Sweet-Temp 0.0030 0.2875 0.7095
HT-122 Sweet-Temp 0.0043 0.0405 0.9552
HT-123 Sweet-Temp 0.1870 0.0092 0.8038
HT-124 Sweet-Temp 0.0867 0.1445 0.7688
HT-125 Sweet-Temp 0.0075 0.1122 0.8803
HT-126 Sweet-Temp 0.0155 0.0808 0.9038
HT-127 Sweet-Temp 0.1832 0.2439 0.5729
HT-128 Sweet-Temp 0.0055 0.3403 0.6543
HT-129 Non-Sweet 0.6108 0.1177 0.2715
HT-13 Sweet-Temp 0.1090 0.3490 0.5420
HT-130 Sweet-Temp 0.1640 0.1695 0.6665
HT-131 Sweet-Tropic 0.0010 0.9988 0.0002
HT-132 Sweet-Tropic 0.1635 0.6912 0.1453
HT-133 Sweet-Temp 0.2067 0.2888 0.5045
HT-134 Sweet-Temp 0.0413 0.0208 0.9380
HT-135 Sweet-Temp 0.0148 0.2488 0.7364
HT-136 Sweet-Temp 0.0075 0.1280 0.8645
HT-137 Sweet-Temp 0.0018 0.2981 0.7001
HT-138 Sweet-Temp 0.0053 0.4757 0.5190
HT-139 Sweet-Tropic 0.0240 0.9700 0.0060
HT-14 Sweet-Tropic 0.0020 0.9927 0.0053
HT-140 Sweet-Tropic 0.0015 0.6543 0.3442
HT-141 Sweet-Tropic 0.0805 0.6499 0.2696
HT-142 Sweet-Tropic 0.0512 0.6670 0.2817
HT-143 Sweet-Tropic 0.0075 0.6907 0.3018
HT-144 Sweet-Tropic 0.0095 0.6238 0.3668
HT-145 Sweet-Temp 0.0882 0.1108 0.8010
HT-146 Sweet-Temp 0.0048 0.1515 0.8437
HT-147 Sweet-Tropic 0.1335 0.6231 0.2434
HT-148 Sweet-Temp 0.0078 0.1148 0.8774
HT-149 Sweet-Temp 0.0010 0.0010 0.9980
HT-15 Sweet-Tropic 0.0017 0.9968 0.0015
HT-150 Sweet-Tropic 0.0348 0.8232 0.1420
HT-151 Sweet-Temp 0.0910 0.0023 0.9068
HT-152 Sweet-Temp 0.0025 0.4151 0.5824
HT-153 Sweet-Tropic 0.1290 0.6847 0.1863
HT-154 Sweet-Temp 0.0865 0.3962 0.5172
HT-155 Sweet-Temp 0.1807 0.2520 0.5672
HT-156 Sweet-Temp 0.0988 0.2938 0.6075
HT-157 Sweet-Tropic 0.1265 0.7455 0.1280
HT-158 Sweet-Tropic 0.0528 0.6400 0.3072
HT-159 Sweet-Temp 0.1337 0.4174 0.4489
HT-16 Sweet-Tropic 0.0000 1.0000 0.0000
HT-160 Sweet-Tropic 0.0975 0.5979 0.3047
HT-161 Sweet-Tropic 0.1003 0.5336 0.3661
HT-162 Sweet-Temp 0.0600 0.2857 0.6543
HT-163 Sweet-Temp 0.0745 0.2646 0.6609
HT-164 Sweet-Tropic 0.0812 0.6863 0.2324
HT-165 Sweet-Temp 0.0525 0.3550 0.5925
HT-166 Sweet-Tropic 0.0913 0.6446 0.2641
HT-167 Sweet-Temp 0.0085 0.3182 0.6733
HT-168 Sweet-Tropic 0.1538 0.6022 0.2441
HT-169 Sweet-Tropic 0.0010 0.9985 0.0005
HT-17 Sweet-Tropic 0.1873 0.6157 0.1970
HT-170 Sweet-Temp 0.1003 0.1940 0.7057
HT-171 Sweet-Temp 0.3618 0.1294 0.5087
HT-172 Sweet-Tropic 0.0010 0.9985 0.0005
HT-173 Sweet-Temp 0.0042 0.3385 0.6573
HT-174 Sweet-Temp 0.0403 0.1217 0.8380
HT-175 Non-Sweet 0.6097 0.1108 0.2796
HT-176 Non-Sweet 0.6281 0.0665 0.3054
HT-177 Sweet-Tropic 0.0680 0.5853 0.3467
HT-178 Sweet-Tropic 0.0035 0.9928 0.0037
HT-179 Sweet-Tropic 0.0030 0.9935 0.0035
HT-18 Sweet-Temp 0.1875 0.3296 0.4829
HT-180 Sweet-Temp 0.0117 0.3222 0.6660
HT-181 Sweet-Tropic 0.0000 1.0000 0.0000
HT-182 Sweet-Tropic 0.0000 1.0000 0.0000
HT-183 Sweet-Temp 0.0030 0.0975 0.8995
HT-184 Sweet-Temp 0.0735 0.0725 0.8540
HT-185 Sweet-Tropic 0.0190 0.9220 0.0590
HT-186 Sweet-Temp 0.1192 0.2317 0.6491
HT-187 Sweet-Temp 0.0065 0.1522 0.8413
HT-188 Sweet-Tropic 0.0055 0.6276 0.3669
HT-189 Sweet-Temp 0.0080 0.1340 0.8580
HT-19 Sweet-Temp 0.2748 0.2427 0.4825
HT-190 Sweet-Tropic 0.0000 1.0000 0.0000
HT-191 Sweet-Tropic 0.0010 0.9988 0.0002
HT-192 Sweet-Temp 0.0963 0.2361 0.6677
HT-193 Sweet-Temp 0.0517 0.4180 0.5303
HT-194 Sweet-Tropic 0.0373 0.8595 0.1033
HT-195 Sweet-Tropic 0.0287 0.9228 0.0485
HT-196 Sweet-Tropic 0.0592 0.9378 0.0030
HT-197 Sweet-Temp 0.0050 0.0035 0.9915
HT-198 Sweet-Temp 0.0020 0.0010 0.9970
HT-199 Sweet-Tropic 0.1195 0.7319 0.1485
HT-2 Sweet-Temp 0.0010 0.0010 0.9980
HT-20 Sweet-Tropic 0.0010 0.9968 0.0022
HT-200 Sweet-Temp 0.0388 0.2003 0.7610
HT-201 Sweet-Tropic 0.0007 0.9990 0.0002
HT-21 Sweet-Tropic 0.0023 0.9967 0.0010
HT-22 Sweet-Tropic 0.0033 0.7732 0.2236
HT-23 Sweet-Temp 0.2422 0.0010 0.7568
HT-24 Sweet-Temp 0.0095 0.0270 0.9635
HT-25 Sweet-Temp 0.0770 0.3381 0.5850
HT-26 Sweet-Tropic 0.0610 0.7628 0.1762
HT-27 Sweet-Tropic 0.0008 0.9993 0.0000
HT-28 Sweet-Tropic 0.0007 0.9985 0.0007
HT-29 Sweet-Tropic 0.0067 0.9918 0.0015
HT-3 Sweet-Tropic 0.0010 0.9990 0.0000
HT-30 Sweet-Tropic 0.0068 0.9492 0.0440
HT-31 Sweet-Tropic 0.0165 0.9767 0.0067
HT-32 Sweet-Tropic 0.0330 0.8730 0.0940
HT-33 Sweet-Temp 0.1083 0.0603 0.8315
HT-34 Sweet-Tropic 0.0060 0.9655 0.0285
HT-35 Sweet-Temp 0.0040 0.1222 0.8738
HT-36 Sweet-Temp 0.0540 0.2866 0.6594
HT-37 Non-Sweet 0.6251 0.0725 0.3024
HT-38 Sweet-Temp 0.0165 0.3328 0.6507
HT-39 Sweet-Temp 0.0397 0.3984 0.5619
HT-4 Sweet-Temp 0.0102 0.0022 0.9875
HT-40 Sweet-Temp 0.0010 0.0012 0.9978
HT-41 Sweet-Temp 0.0050 0.2940 0.7010
HT-42 Sweet-Temp 0.0405 0.3330 0.6265
HT-43 Sweet-Temp 0.1853 0.1585 0.6562
HT-44 Sweet-Temp 0.0055 0.3112 0.6833
HT-45 Sweet-Tropic 0.0263 0.9407 0.0330
HT-46 Sweet-Tropic 0.1024 0.7411 0.1564
HT-47 Sweet-Temp 0.0040 0.2459 0.7501
HT-48 Sweet-Temp 0.1840 0.1630 0.6531
HT-49 Sweet-Temp 0.0010 0.0010 0.9980
HT-5 Sweet-Temp 0.0160 0.0133 0.9708
HT-50 Sweet-Temp 0.0087 0.3460 0.6452
HT-51 Sweet-Temp 0.0895 0.1975 0.7131
HT-52 Sweet-Temp 0.1613 0.2618 0.5769
HT-53 Sweet-Temp 0.3175 0.1200 0.5625
HT-54 Sweet-Temp 0.0577 0.3954 0.5469
HT-55 Sweet-Temp 0.1360 0.2025 0.6615
HT-56 Sweet-Temp 0.1115 0.2209 0.6676
HT-57 Sweet-Temp 0.0158 0.0133 0.9710
HT-58 Sweet-Temp 0.0808 0.1653 0.7540
HT-59 Sweet-Temp 0.0015 0.2999 0.6986
HT-6 Sweet-Temp 0.1943 0.1468 0.6588
HT-60 Sweet-Temp 0.0960 0.1627 0.7413
HT-61 Sweet-Temp 0.1690 0.1593 0.6718
HT-62 Sweet-Tropic 0.0222 0.7198 0.2580
HT-63 Sweet-Temp 0.0113 0.1417 0.8470
HT-64 Sweet-Temp 0.0725 0.2934 0.6341
HT-65 Sweet-Temp 0.2393 0.0010 0.7597
HT-66 Sweet-Temp 0.1461 0.2459 0.6080
HT-67 Sweet-Tropic 0.0013 0.9972 0.0015
HT-68 Sweet-Temp 0.0260 0.0027 0.9713
HT-69 Sweet-Temp 0.0033 0.1960 0.8007
HT-7 Sweet-Temp 0.1655 0.2627 0.5719
HT-70 Sweet-Temp 0.0577 0.0757 0.8665
HT-71 Sweet-Temp 0.0105 0.2668 0.7227
HT-72 Sweet-Temp 0.0020 0.0408 0.9572
HT-73 Sweet-Temp 0.2104 0.3887 0.4009
HT-74 Sweet-Temp 0.0040 0.0010 0.9950
HT-75 Sweet-Temp 0.1305 0.1822 0.6873
HT-76 Sweet-Temp 0.0020 0.1247 0.8733
HT-77 Sweet-Temp 0.0072 0.3674 0.6253
HT-78 Sweet-Temp 0.0015 0.0070 0.9915
HT-79 Sweet-Temp 0.2203 0.3220 0.4578
HT-8 Sweet-Temp 0.1375 0.3433 0.5192
HT-80 Sweet-Temp 0.1230 0.2558 0.6213
HT-81 Sweet-Temp 0.0642 0.4214 0.5144
HT-82 Sweet-Temp 0.0077 0.4959 0.4964
HT-83 Sweet-Tropic 0.0000 0.9998 0.0003
HT-84 Sweet-Tropic 0.0195 0.8313 0.1492
HT-85 Sweet-Tropic 0.0037 0.9378 0.0585
HT-86 Sweet-Tropic 0.0037 0.9927 0.0035
HT-87 Sweet-Tropic 0.0045 0.6633 0.3323
HT-88 Sweet-Tropic 0.0485 0.6675 0.2840
HT-89 Sweet-Temp 0.0870 0.2801 0.6329
HT-9 Sweet-Tropic 0.0395 0.5513 0.4093
HT-90 Sweet-Tropic 0.1688 0.4197 0.4115
HT-91 Sweet-Tropic 0.1088 0.6744 0.2168
HT-92 Sweet-Temp 0.0027 0.3634 0.6338
HT-94 Sweet-Tropic 0.0018 0.9972 0.0010
HT-95 Sweet-Tropic 0.0088 0.9437 0.0475
HT-96 Sweet-Tropic 0.0498 0.9473 0.0030
HT-97 Sweet-Temp 0.0473 0.3222 0.6306
HT-99 Sweet-Tropic 0.0505 0.6763 0.2732

图3

385个鲜食玉米品种之间的遗传距离 A: 所有品种两两间的遗传距离。蓝色代表遗传距离较近, 红色代表遗传距离较远。B: 不同亚群之间的遗传距离比较。"

表1

遗传距离较近的品种列表(IBS小于0.15)"

组合
Pair
品种1
Line 1
名称
Name
品种2
Line 2
名称
Name
状态一致性IBS 类群
Group
1 HT-2 双色先蜜Shuangsexianmi HT-149 夏美甜12号Xiameitian 12 0.147 温带甜玉米Sweet-Temp
2 HT-49 RA-Y-10 HT-149 夏美甜12号Xiameitian 12 0.147 温带甜玉米Sweet-Temp
3 HT-2 双色先蜜Shuangsexianmi HT-49 RA-Y-10 0.148 温带甜玉米Sweet-Temp
4 HT-16 SWCB5801 HT-190 泰阳3F Taiyang 3F 0.132 热带甜玉米Sweet-Tropic
5 HT-16 SWCB5801 HT-182 10号甜玉米No.10 Tianyumi 0.134 热带甜玉米Sweet-Tropic
6 HT-16 SWCB5801 HT-116 泰美甜6号Taimeitian 6 0.134 热带甜玉米Sweet-Tropic
组合
Pair
品种1
Line 1
名称
Name
品种2
Line 2
名称
Name
状态一致性IBS 类群
Group
7 HT-16 SWCB5801 HT-181 3号玉米No.3 Yumi 0.134 热带甜玉米Sweet-Tropic
8 HT-10 汕甜7号Shantian 7 HT-16 SWCB5801 0.137 热带甜玉米Sweet-Tropic
9 HT-190 泰阳3F Taiyang 3F HT-182 10号甜玉米No.10 Tianyumi 0.146 热带甜玉米Sweet-Tropic
10 HT-116 泰美甜6号Taimeitian 6 HT-190 泰阳3F Taiyang 3F 0.147 热带甜玉米Sweet-Tropic
11 HT-190 泰阳3F Taiyang 3F HT-181 3号玉米No.3 Yumi 0.147 热带甜玉米Sweet-Tropic
12 HT-182 10号甜玉米No.10 Tianyumi HT-181 3号玉米No.3 Yumi 0.148 热带甜玉米Sweet-Tropic
13 HT-116 泰美甜6号Taimeitian 6 HT-182 10号甜玉米No.10 Tianyumi 0.148 热带甜玉米Sweet-Tropic
14 HT-116 泰美甜6号Taimeitian 6 HT-181 3号玉米No.3 Yumi 0.149 热带甜玉米Sweet-Tropic
15 HT-115 泰王甜玉米Taiwangtian HT-195 泰鲜甜1号Taixiantian 1 0.139 热带甜玉米Sweet-Tropic

图4

基于5067个SNP标记的385份鲜食玉米品种的系统树图 红色代表温带甜玉米, 蓝色代表热带甜玉米, 绿色代表甜糯玉米, 紫色代表糯玉米。4个主栽品种在图中用三角形标出来, 黑色线下面代表广东省农业科学院的品种。"

图5

4个鲜食玉米亚群之间的选择位点扫描 不同亚群之间的选择位点的全基因组扫描图(不包含甜糯玉米和糯玉米的比较结果)。蓝色虚线代表的是1%的显著性阈值。5个已知基因在图中用竖虚线标出。S-Temp、S-Tropic、SW和W分别代表温带甜玉米、热带甜玉米、甜糯玉米和糯玉米。"

附表3

鲜食玉米4个不同类群间群体分化指数前1%的160个受选择区间"

选择信号
Selective signals
标记
Marker
染色体
Chr.
位置a
Positiona
群体分化指数
FST
性状
Trait
候选基因
Candidate genes
注释
Description
1 PZE-101023852 1 14032344 0.581218 S-Temp vs. SW GRMZM2G124042 glycerol-phosphate acyltransferase
1 PZE-101023852 1 14032344 0.521859 S-Temp vs. W GRMZM2G124042 glycerol-phosphate acyltransferase
2 PZE-101030692 1 18957087 0.539506 S-Temp vs. SW GRMZM2G031177 multidrug resistance
3 PZE-101045249 1 31206651 0.548955 S-Temp vs. S-Tropic GRMZM2G116823 peroxidase 53 expressed
4 PZE-101063113 1 46407120 0.515526 S-Temp vs. SW GRMZM2G066274 inflorescence meristem receptor-like kinase
4 PZE-101063113 1 46407120 0.529456 S-Temp vs. W GRMZM2G066274 inflorescence meristem receptor-like kinase
5 PZE-101074011 1 56676590 0.521322 S-Temp vs. W GRMZM2G030571 Uncharacterized protein
6 PZE-101095716 1 93908233 0.545896 S-Temp vs. S-Tropic GRMZM2G392524 Uncharacterized protein
7 PZE-101106101 1 109430409 0.553774 S-Temp vs. S-Tropic GRMZM2G041613 Uncharacterized protein
8 PZE-101106605 1 110913583 0.52694 S-Temp vs. S-Tropic GRMZM2G368632 cysteine-rich receptor-like protein kinase 20-like
9 SYN11164 1 150112738 0.637942 S-Tropic vs. W GRMZM2G322024 Uncharacterized protein
10 PZE-101123702 1 155004012 0.586843 S-Temp vs. S-Tropic GRMZM2G369993 Uncharacterized protein
11 PZE-101130243 1 166667484 0.668834 S-Temp vs. SW GRMZM2G012932 serine threonine protein
11 PZE-101130243 1 166667484 0.648901 S-Temp vs. W GRMZM2G012932 serine threonine protein
11 PZE-101130243 1 166667484 0.803024 S-Tropic vs. SW GRMZM2G012932 serine threonine protein
11 PZE-101130243 1 166667484 0.792734 S-Tropic vs. W GRMZM2G012932 serine threonine protein
12 PZE-101131103 1 168237684 0.494229 S-Temp vs. S-Tropic GRMZM2G018472 transcription factor
13 PZE-101166092 1 209121887 0.527644 S-Temp vs. S-Tropic GRMZM2G059465 O-methyltransferase family 2 protein
14 SYN25826 1 232654307 0.712337 S-Tropic vs. SW GRMZM5G895188 non-lysosomal glucosylceramidase-like
14 SYN25826 1 232654307 0.757739 S-Tropic vs. W GRMZM5G895188 non-lysosomal glucosylceramidase-like
15 PZE-101201013 1 253109684 0.562935 S-Temp vs. S-Tropic GRMZM2G341410 leucine-rich repeat extensin-like protein 6-like
16 SYN8239 1 295307662 0.730425 S-Tropic vs. SW GRMZM5G840909 cytidine deaminase
16 SYN8239 1 295307662 0.671132 S-Tropic vs. W GRMZM5G840909 cytidine deaminase
17 PZE-101256641 1 300041086 0.495943 S-Temp vs. SW GRMZM2G381441 ethylene-responsive transcription factor
18 SYN452 2 18814655 0.657253 S-Temp vs. SW GRMZM2G071253 actin depolymerizing factor
18 SYN452 2 18814655 0.646242 S-Temp vs. W GRMZM2G071253 actin depolymerizing factor
19 PZE-102040639 2 20393117 0.512028 S-Temp vs. W GRMZM2G044884 cytokinin-n-glucosyltransferase 1
19 PZE-102040639 2 20393117 0.725584 S-Tropic vs. W GRMZM2G044884 cytokinin-n-glucosyltransferase 1
20 PZE-102052894 2 30397801 0.663601 S-Tropic vs. W GRMZM2G111975 sialyltransferase-like protein
21 PZE-102053562 2 31046930 0.731205 S-Tropic vs. SW GRMZM2G055957 probable leucine-rich repeat receptor-like protein kinase
22 PZE-102064901 2 42805299 0.790935 S-Tropic vs. W GRMZM2G065171 uncharacterized oxidoreductase -like
23 PZE-102069195 2 47281549 0.696906 S-Tropic vs. W GRMZM2G072955 chloride channel
24 PZE-102078926 2 61496693 0.655311 S-Tropic vs. SW GRMZM2G134668 calnexin homolog
24 PZE-102078926 2 61496693 0.657572 S-Tropic vs. W GRMZM2G134668 calnexin homolog
25 PZE-102080818 2 64743287 0.69145 S-Tropic vs. W GRMZM5G886989 transport protein particle bet3 containing protein
26 PZE-102113229 2 148565404 0.54755 S-Temp vs. SW GRMZM2G141081 carbohydrate transporter sugar porter transporter
27 PZE-102166564 2 210886385 0.60524 S-Temp vs. S-Tropic GRMZM2G066343 alpha beta fold family protein
27 SYN31686 2 211290384 0.498586 S-Temp vs. W GRMZM2G098859 cop1-interacting protein 7 -like
28 PZE-102175760 2 218584565 0.534378 S-Temp vs. SW GRMZM2G140970 pwwp domain-containing protein
28 PZE-102175760 2 218584565 0.802935 S-Tropic vs. SW GRMZM2G140970 pwwp domain-containing protein
28 PZE-102175760 2 218584565 0.716837 S-Tropic vs. W GRMZM2G140970 pwwp domain-containing protein
29 SYN6350 2 229414096 0.763637 S-Tropic vs. SW GRMZM2G324860 nbs-lrr resistance-like protein
29 SYN6350 2 229414096 0.717709 S-Tropic vs. W GRMZM2G324860 nbs-lrr resistance-like protein
30 SYN9021 3 2291828 0.678527 S-Temp vs. S-Tropic GRMZM2G145305 Uncharacterized protein
30 SYN9021 3 2291828 0.655606 S-Temp vs. SW GRMZM2G145305 Uncharacterized protein
30 SYN9021 3 2291828 0.606251 S-Temp vs. W GRMZM2G145305 Uncharacterized protein
31 PUT-163a-71423695-3220 3 4441883 0.579583 S-Temp vs. SW AC155622.2_FG001 coatomer alpha
32 SYN31020 3 5671462 0.549063 S-Temp vs. SW GRMZM2G050890 prenylated rab acceptor family protein
32 SYN31020 3 5671462 0.618103 S-Temp vs. W GRMZM2G050890 prenylated rab acceptor family protein
33 SYN36244 3 10094613 0.514312 S-Temp vs. SW GRMZM2G028637 serine threonine protein phosphatase 2a 57 kda regulatory subunit b iota isoform
34 PUT-163a-84969550-4460 3 47849718 0.65543 S-Tropic vs. SW GRMZM2G090374 Uncharacterized protein
34 PUT-163a-84969550-4460 3 47849718 0.698383 S-Tropic vs. W GRMZM2G090374 Uncharacterized protein
35 PZE-103046308 3 48386461 0.567439 S-Temp vs. S-Tropic GRMZM2G001451 Uncharacterized protein
36 PZE-103052405 3 58672836 0.605458 S-Temp vs. SW GRMZM2G080262 Uncharacterized protein
37 PZE-103076204 3 126569064 0.635631 S-Tropic vs. W GRMZM2G066602 thaumatin-like protein precursor
38 PZE-103093876 3 154739047 0.768807 S-Tropic vs. SW GRMZM2G124911 mitochondrial substrate carrier family protein
38 PZE-103093876 3 154739047 0.704994 S-Tropic vs. W GRMZM2G124911 mitochondrial substrate carrier family protein
39 PZE-103100065 3 160083617 0.535257 S-Temp vs. SW GRMZM2G126468 alpha-glucosidase 1
40 PZE-103102119 3 162433493 0.664728 S-Tropic vs. SW GRMZM2G054713 Uncharacterized protein
40 PZE-103102119 3 162433493 0.664877 S-Tropic vs. W GRMZM2G054713 Uncharacterized protein
41 SYN30326 3 187211976 0.638622 S-Temp vs. W GRMZM2G035709 fad-dependent oxidoreductase
41 SYN30326 3 187211976 0.693443 S-Tropic vs. W GRMZM2G035709 fad-dependent oxidoreductase
42 SYN8110 3 201185845 0.744538 S-Tropic vs. W GRMZM2G478414 Uncharacterized protein
43 PZE-103154161 3 207023276 0.532786 S-Temp vs. W GRMZM2G436804 Uncharacterized protein
44 PZE-103156977 3 209027687 0.651542 S-Tropic vs. W GRMZM2G164674 galactose oxidase-like
45 PZE-103162357 3 212706839 0.499001 S-Temp vs. S-Tropic GRMZM2G118403 kinesin k39
45 PZE-103162357 3 212706839 0.751433 S-Tropic vs. SW GRMZM2G118403 kinesin k39
45 PZE-103162357 3 212706839 0.728762 S-Tropic vs. W GRMZM2G118403 kinesin k39
46 PZE-103164358 3 214200967 0.56631 S-Temp vs. SW GRMZM2G153672 triacylglycerol lipase
46 PZE-103164358 3 214200967 0.639389 S-Temp vs. W GRMZM2G153672 triacylglycerol lipase
46 PZE-103164358 3 214200967 0.741733 S-Tropic vs. SW GRMZM2G153672 triacylglycerol lipase
46 PZE-103164358 3 214200967 0.825755 S-Tropic vs. W GRMZM2G153672 triacylglycerol lipase
47 PZE-103168241 3 216871403 0.614584 S-Temp vs. W GRMZM2G429899(sh2) adp-glucose pyrophosphorylase endosperm large subunit
48 PZE-103185410 3 229865894 0.721473 S-Tropic vs. SW GRMZM2G075884 protein kinase
49 PZE-104011650 4 10087637 0.555599 S-Temp vs. SW GRMZM2G702345 Uncharacterized protein
49 PZE-104011650 4 10087637 0.616911 S-Temp vs. W GRMZM2G702345 Uncharacterized protein
50 PZE-104018854 4 18910790 0.514508 S-Temp vs. SW GRMZM2G459532 pentatricopeptide repeat-containing protein
51 PZE-104021926 4 23555272 0.574867 S-Temp vs. W GRMZM2G378580 auxin response factor expressed
52 SYN38419 4 34554924 0.565828 S-Temp vs. SW GRMZM2G091811 Uncharacterized protein
53 PZE-104030289 4 36495378 0.578304 S-Temp vs. S-Tropic GRMZM2G007981 kelch motif family protein
54 PZE-104031738 4 38447321 0.6118 S-Temp vs. W AC206969.3_FG001 Uncharacterized protein
55 PZE-104033489 4 41851034 0.508628 S-Temp vs. W GRMZM2G138060(su1) isoamylase
56 PZE-104036092 4 47199091 0.515144 S-Temp vs. S-Tropic GRMZM2G325580 Uncharacterized protein
57 PZE-104040670 4 54918663 0.495872 S-Temp vs. SW GRMZM2G123959 pentatricopeptide repeat-containing protein
58 PZE-104041043 4 55862084 0.518698 S-Temp vs. SW GRMZM5G864377 Uncharacterized protein
58 PZE-104041043 4 55862084 0.507371 S-Temp vs. W GRMZM5G864377 Uncharacterized protein
58 PZE-104041162 4 56152301 0.643144 S-Tropic vs. W GRMZM2G568636 nitrate reductase
59 SYN26789 4 123336376 0.588953 S-Temp vs. SW GRMZM2G156803 riboflavin biosynthesis protein chloroplastic-like
59 SYN26789 4 123336376 0.561359 S-Temp vs. W GRMZM2G156803 riboflavin biosynthesis protein chloroplastic-like
60 PZE-104081530 4 155912460 0.497239 S-Temp vs. S-Tropic GRMZM2G044537 ring zinc finger
61 PZE-104084001 4 157998574 0.762702 S-Tropic vs. SW GRMZM2G112190 xyloglucan endotransglycosylase hydrolase
61 PZE-104084001 4 157998574 0.699843 S-Tropic vs. W GRMZM2G112190 xyloglucan endotransglycosylase hydrolase
62 PZE-104088289 4 163388841 0.505309 S-Temp vs. S-Tropic GRMZM2G377161 nitrate-induced noi protein
63 PZE-104089440 4 164263863 0.553691 S-Temp vs. S-Tropic GRMZM2G127524 armadillo beta-catenin repeat related protein
64 PZE-104090782 4 166875919 0.515591 S-Temp vs. S-Tropic GRMZM2G171060 adp-ribosylation factor-like protein
65 PZE-104093038 4 169414311 0.597357 S-Temp vs. SW GRMZM2G307094 ribosome recycling factor
65 PZE-104093038 4 169414311 0.684079 S-Tropic vs. SW GRMZM2G307094 ribosome recycling factor
66 PZE-104105055 4 181401563 0.557306 S-Temp vs. S-Tropic GRMZM2G025470 Uncharacterized protein
67 PZE-104106199 4 182298138 0.589972 S-Temp vs. SW GRMZM2G036282 Uncharacterized protein
68 PZE-104106774 4 183123371 0.730391 S-Tropic vs. SW GRMZM2G059669 d-aminoacid aminotransferase-like plp-dependent enzyme-like protein
68 PZE-104106774 4 183123371 0.643886 S-Tropic vs. W GRMZM2G059669 d-aminoacid aminotransferase-like plp-dependent enzyme-like protein
69 PZE-104121911 4 198923294 0.541121 S-Temp vs. W GRMZM2G370693 t-complex protein 1 subunit beta
70 PZE-104125737 4 203461060 0.565013 S-Temp vs. SW GRMZM2G308064 disease resistance protein rpp13-like
70 PZE-104125737 4 203461060 0.630765 S-Temp vs. W GRMZM2G308064 disease resistance protein rpp13-like
71 PZE-105034591 5 19675006 0.49869 S-Temp vs. W GRMZM2G124863 Uncharacterized protein
72 PZE-105039490 5 24441900 0.67975 S-Tropic vs. SW GRMZM2G090736 thioredoxin family protein
73 PZE-105040292 5 25661717 0.739128 S-Tropic vs. SW GRMZM2G020098 Uncharacterized protein
73 PZE-105040292 5 25661717 0.695994 S-Tropic vs. W GRMZM2G020098 Uncharacterized protein
74 PZE-105066030 5 67884533 0.68688 S-Tropic vs. SW GRMZM2G075624 translationally-controlled tumor protein
75 PZE-105078645 5 89323163 0.578583 S-Temp vs. S-Tropic GRMZM2G058252 small nuclear ribonucleo protein
75 PZE-105079922 5 91815374 0.527727 S-Temp vs. W GRMZM2G059363 Uncharacterized protein
76 PZE-105081490 5 94944913 0.503851 S-Temp vs. S-Tropic GRMZM2G109914 s-acyltransferase tip1
77 PZE-105092859 5 133509365 0.58052 S-Temp vs. S-Tropic GRMZM2G009785(ZmVTE1) tocopherol cyclase
77 PZE-105092859 5 133509365 0.523648 S-Temp vs. W GRMZM2G009785(ZmVTE1) tocopherol cyclase
78 PZE-105093183 5 134581721 0.581364 S-Temp vs. S-Tropic GRMZM2G464676 Uncharacterized protein
78 PZE-105093183 5 134581721 0.525466 S-Temp vs. SW GRMZM2G464676 Uncharacterized protein
78 PZE-105093183 5 134581721 0.577609 S-Temp vs. W GRMZM2G464676 Uncharacterized protein
79 SYN9144 5 137852275 0.523988 S-Temp vs. W AC192451.3_FG001 24 kda seed maturation protein
80 PZE-105098019 5 144574260 0.661692 S-Tropic vs. SW GRMZM2G007288 ring-type e3 ubiquitin ligase
81 PZE-105100991 5 151631510 0.628428 S-Temp vs. S-Tropic GRMZM2G091383 40s ribosomal protein s24
82 PZE-105101928 5 152933958 0.548804 S-Temp vs. S-Tropic GRMZM2G021110 Metallopeptidase M24 family protein
83 PZE-105102176 5 153894265 0.576037 S-Temp vs. S-Tropic GRMZM2G119623 protein phosphatase
84 PZE-105103728 5 157113803 0.5972 S-Temp vs. S-Tropic GRMZM2G011160 abc transporter cholesterol phospholipid flippase
85 PZE-105104436 5 158692292 0.654425 S-Tropic vs. W GRMZM2G412604 nicotianamine aminotransferase
86 PZE-105105590 5 160531317 0.516632 S-Temp vs. SW GRMZM2G395850 mitochondrial transcription termination factor-like
87 PZE-105109577 5 166856517 0.594653 S-Temp vs. S-Tropic GRMZM2G320287 nucleic acid binding
88 PZE-105127667 5 184693922 0.558935 S-Temp vs. W GRMZM2G130207 dna-directed rna polymerase ii subunit rpb11
89 PZE-106007384 6 21377346 0.674023 S-Tropic vs. W GRMZM2G108501 flavine-containing monoxygenase
90 PZE-106008273 6 24037050 0.813266 S-Tropic vs. SW AC189048.2_FG001 Uncharacterized protein
90 PZE-106008273 6 24037050 0.852892 S-Tropic vs. W AC189048.2_FG001 Uncharacterized protein
91 PZE-106043750 6 63837414 0.613517 S-Temp vs. SW GRMZM2G460246 Uncharacterized protein
92 SYN4545 6 66106739 0.685266 S-Tropic vs. SW GRMZM2G478892 beta-glucanase precursor
93 PZE-106039362 6 87991878 0.529255 S-Temp vs. W GRMZM5G882598 Uncharacterized protein
93 PZE-106039362 6 87991878 0.667669 S-Tropic vs. W GRMZM5G882598 Uncharacterized protein
94 PZE-106042592 6 91994697 0.67036 S-Tropic vs. SW GRMZM2G015212 Uncharacterized protein
95 PZE-106046102 6 95465220 0.550416 S-Temp vs. S-Tropic GRMZM2G388987 ubiquitin carboxyl-terminal hydrolase 19-like
96 PZE-106054182 6 104859110 0.622237 S-Temp vs. SW GRMZM2G169089 diacylglycerol acyltransferase
96 PZE-106054182 6 104859110 0.788183 S-Temp vs. W GRMZM2G169089 diacylglycerol acyltransferase
97 PZE-106055491 6 105883700 0.492033 S-Temp vs. SW GRMZM2G404888 uncharacterized amino acid permease -like
98 PZE-106058148 6 107038313 0.495205 S-Temp vs. S-Tropic GRMZM2G154892 haus augmin-like complex subunit 3-like
98 PZE-106058148 6 107038313 0.661088 S-Tropic vs. SW GRMZM2G154892 haus augmin-like complex subunit 3-like
99 PZE-106062326 6 113049413 0.639538 S-Tropic vs. W GRMZM2G348551(su2) soluble starch synthase ii-3
100 PZE-106066919 6 119516142 0.532889 S-Temp vs. SW GRMZM2G075710 embryogenesis transmembrane protein
101 PZE-106078323 6 133816320 0.555584 S-Temp vs. S-Tropic GRMZM2G476886 lysine histidine transporter 1-like
102 SYN32558 6 162479406 0.672041 S-Tropic vs. SW GRMZM2G041472 wd repeat-containing protein 43-like
102 SYN32558 6 162479406 0.696085 S-Tropic vs. W GRMZM2G041472 wd repeat-containing protein 43-like
103 SYN37962 7 4703507 0.535254 S-Temp vs. SW GRMZM2G051793 myb domain protein 4r1
103 SYN37962 7 4703507 0.545986 S-Temp vs. W GRMZM2G051793 myb domain protein 4r1
104 PZE-107010692 7 7410125 0.55368 S-Temp vs. S-Tropic GRMZM2G044469 aldehyde oxidase
105 PZE-107014197 7 10691389 0.510988 S-Temp vs. S-Tropic GRMZM2G162382 bhlh transcription factor
106 PZE-107017571 7 15156278 0.805685 S-Tropic vs. SW GRMZM2G346701 heterogeneous nuclear ribonucleoprotein
106 PZE-107017571 7 15156278 0.689378 S-Tropic vs. W GRMZM2G346701 heterogeneous nuclear ribonucleoprotein
107 PZE-107026326 7 29530385 0.649613 S-Tropic vs. SW GRMZM2G086502 myosin 2
108 PZE-107027539 7 32478358 0.51816 S-Temp vs. SW GRMZM2G472146 Uncharacterized protein
109 PZE-107031337 7 41013144 0.78262 S-Tropic vs. SW GRMZM2G095204 beta-expansin 4 precursor
109 PZE-107031337 7 41013144 0.640153 S-Tropic vs. W GRMZM2G095204 beta-expansin 4 precursor
110 PZE-107042366 7 83144508 0.549299 S-Temp vs. S-Tropic GRMZM2G064197 myb family transcription factor-related protein
110 PZE-107042366 7 83144508 0.698593 S-Tropic vs. SW GRMZM2G064197 myb family transcription factor-related protein
111 PZE-107054723 7 106446015 0.507839 S-Temp vs. S-Tropic GRMZM2G372961 zinc knuckle domain containing
112 PZE-107062497 7 118677508 0.660568 S-Tropic vs. SW GRMZM2G302673 Glutamate receptor precursor
113 PZE-107063292 7 120505397 0.510645 S-Temp vs. W GRMZM2G446625 alpha beta-hydrolases-like protein
114 PZE-107093042 7 147579877 0.577023 S-Temp vs. S-Tropic GRMZM2G105253 rop guanine nucleotide exchange factor 1-like
115 SYN34204 7 151242431 0.700286 S-Tropic vs. W GRMZM2G025242 Uncharacterized protein
115 PZE-107095905 7 151724742 0.57721 S-Temp vs. S-Tropic GRMZM2G027756 Uncharacterized protein
116 PZE-107100880 7 155371350 0.668578 S-Tropic vs. SW GRMZM2G058013 60s ribosomal protein mitochondrial
117 PZE-108031753 8 36506674 0.518214 S-Temp vs. S-Tropic GRMZM2G009719 universal stress protein
118 PZE-108032335 8 37657703 0.595441 S-Temp vs. W AC191069.3_FG004 Uncharacterized protein
119 PZE-108046174 8 76316519 0.60561 S-Temp vs. S-Tropic GRMZM2G158788 Uncharacterized protein
120 PZE-108046489 8 77169519 0.514422 S-Temp vs. S-Tropic GRMZM2G416201 ppr protein
121 PZE-108067466 8 119203988 0.682126 S-Tropic vs. SW GRMZM2G466667 Uncharacterized protein
121 PZE-108067466 8 119203988 0.695161 S-Tropic vs. W GRMZM2G466667 Uncharacterized protein
122 PZE-108072647 8 125904553 0.548749 S-Temp vs. SW GRMZM2G059693 lipase
123 SYN23199 8 139939431 0.781817 S-Tropic vs. SW GRMZM2G304575 histone -like isoform
124 PZE-108085770 8 142840461 0.725827 S-Tropic vs. SW GRMZM2G034573 Uncharacterized protein
125 PZE-108097802 8 153709826 0.492973 S-Temp vs. SW GRMZM2G455124 high affinity nitrate transporter
126 PZE-108099959 8 156052509 0.520611 S-Temp vs. SW GRMZM2G166413 receptor like protein
127 PZE-108135669 8 175185768 0.594673 S-Temp vs. SW AC203173.3_FG002 receptor-like protein kinase hsl1-like
127 PZE-108135669 8 175185768 0.671016 S-Tropic vs. SW AC203173.3_FG002 receptor-like protein kinase hsl1-like
128 PZE-109022845 9 23215643 0.580888 S-Temp vs. SW GRMZM2G024993(wx1) granule bound starch synthase
128 PZE-109022845 9 23215643 0.512082 S-Temp vs. W GRMZM2G024993(wx1) granule bound starch synthase
128 PZE-109022845 9 23215643 0.899078 S-Tropic vs. SW GRMZM2G024993(wx1) granule bound starch synthase
128 PZE-109022845 9 23215643 0.858144 S-Tropic vs. W GRMZM2G024993(wx1) granule bound starch synthase
129 SYN35885 9 32340733 0.65958 S-Tropic vs. W GRMZM2G057983 aluminum-activated malate transporter 9-like
130 PZE-109040958 9 63894202 0.781328 S-Tropic vs. W GRMZM2G469898 esterase precursor
131 PZE-109043940 9 74459054 0.501718 S-Temp vs. S-Tropic GRMZM2G366146 atp-binding cassette
132 PZE-109052817 9 91251176 0.511722 S-Temp vs. SW GRMZM2G076526 abc transporter g family member 26-like
133 PZE-109054205 9 93818902 0.555107 S-Temp vs. SW GRMZM5G805627 40s ribosomal protein s14
133 PZE-109054205 9 93818902 0.579494 S-Temp vs. W GRMZM5G805627 40s ribosomal protein s14
134 PZE-109054725 9 94798138 0.659475 S-Temp vs. SW GRMZM2G093065 Uncharacterized protein
134 PZE-109054725 9 94798138 0.649203 S-Temp vs. W GRMZM2G093065 Uncharacterized protein
135 PZE-109054906 9 95443467 0.504737 S-Temp vs. W GRMZM2G139973 elongator complex protein 4
135 PZE-109054906 9 95443467 0.75135 S-Tropic vs. W GRMZM2G139973 elongator complex protein 4
136 PZE-109063621 9 106203181 0.793042 S-Tropic vs. SW GRMZM2G107886 zinc finger protein
136 PZE-109063621 9 106203181 0.780926 S-Tropic vs. W GRMZM2G107886 zinc finger protein
137 PZE-109064885 9 108024003 0.567642 S-Temp vs. W GRMZM2G057616 chloride channel
138 SYN5116 9 114551532 0.5454 S-Temp vs. SW GRMZM2G428470 Uncharacterized protein
139 PZE-109070552 9 115378545 0.695503 S-Temp vs. SW GRMZM2G069807 glycoprotein
139 PZE-109070552 9 115378545 0.633584 S-Temp vs. W GRMZM2G069807 glycoprotein
140 PZE-109076378 9 123394501 0.6589 S-Tropic vs. SW GRMZM2G124317 nitrilase-associated protein
140 PZE-109076378 9 123394501 0.644824 S-Tropic vs. W GRMZM2G124317 nitrilase-associated protein
141 PZE-109086475 9 135146198 0.548625 S-Temp vs. W GRMZM2G121456 atp-dependent clp protease proteolytic subunit
142 PZE-109106589 9 148361012 0.610276 S-Temp vs. SW GRMZM2G077711 j-domain protein required for chloroplast accumulation response 1
142 PZE-109106589 9 148361012 0.589082 S-Temp vs. W GRMZM2G077711 j-domain protein required for chloroplast accumulation response 1
143 PZE-109121297 9 155184786 0.528106 S-Temp vs. S-Tropic AC150739.3_FG001 Uncharacterized protein
144 PZE-110017029 10 18690340 0.532011 S-Temp vs. W GRMZM2G068316 chaperone -domain containing protein
145 PZE-110021154 10 28237501 0.754107 S-Tropic vs. SW GRMZM2G383088 2-oxoglutarate malate translocator
145 PZE-110021154 10 28237501 0.694567 S-Tropic vs. W GRMZM2G383088 2-oxoglutarate malate translocator
145 PZE-110021179 10 28388424 0.517762 S-Temp vs. SW GRMZM2G383088 2-oxoglutarate malate translocator
146 PZE-110027837 10 37810598 0.684444 S-Tropic vs. W GRMZM2G008247 non-cyanogenic beta-glucosidase precursor
147 PZE-110028069 10 38352557 0.690207 S-Tropic vs. W GRMZM2G012176 probable inactive leucine-rich repeat receptor-like protein kinase
148 PZE-110024410 10 53797336 0.533506 S-Temp vs. S-Tropic GRMZM2G336813 exocyst complex component expressed
149 PZE-110024768 10 54469006 0.512344 S-Temp vs. S-Tropic GRMZM2G092363 constans-like protein
150 PZE-110035284 10 66873403 0.658228 S-Tropic vs. SW GRMZM2G041963 btb poz and math domain-containing protein 2-like
151 PZE-110044817 10 85319413 0.670484 S-Tropic vs. W GRMZM2G425427 typical p-type r2r3 myb protein
152 PZE-110047800 10 89438305 0.508122 S-Temp vs. S-Tropic GRMZM2G039857 rna-binding crs1 domain protein
152 PZE-110047800 10 89438305 0.591066 S-Temp vs. SW GRMZM2G039857 rna-binding crs1 domain protein
152 PZE-110047800 10 89438305 0.516471 S-Temp vs. W GRMZM2G039857 rna-binding crs1 domain protein
153 PZE-110048385 10 90767139 0.540191 S-Temp vs. S-Tropic GRMZM2G083459 phosphatase subunit g4-1
154 PZE-110051459 10 96838952 0.519627 S-Temp vs. SW GRMZM2G021170 Uncharacterized protein
154 PZE-110051459 10 96838952 0.552977 S-Temp vs. W GRMZM2G021170 Uncharacterized protein
155 PZE-110052160 10 98688724 0.507497 S-Temp vs. SW GRMZM2G007721 sterol 3-beta-glucosyltransferase-like
155 PZE-110052160 10 98688724 0.507867 S-Temp vs. W GRMZM2G007721 sterol 3-beta-glucosyltransferase-like
156 SYN10720 10 99203889 0.739967 S-Tropic vs. SW GRMZM2G019246 membrane related protein
156 SYN10720 10 99203889 0.643342 S-Tropic vs. W GRMZM2G019246 membrane related protein
157 PZE-110057598 10 110542317 0.693166 S-Tropic vs. SW GRMZM2G079913 Uncharacterized protein
158 PZE-110063261 10 118369256 0.568836 S-Temp vs. SW GRMZM2G355469 transcription factor bhlh25-like
159 PZE-110064304 10 119954887 0.68294 S-Tropic vs. SW GRMZM2G392176 leucine-rich repeat receptor-like protein kinase
160 PZE-110073412 10 130076636 0.860916 S-Tropic vs. SW GRMZM2G175140 ammonium transporter
160 PZE-110073412 10 130076636 0.723862 S-Tropic vs. W GRMZM2G175140 ammonium transporter
160 PZE-110073500 10 130204025 0.562689 S-Temp vs. SW GRMZM2G160069 inositol transporter 4

图6

2个基因的不同选择模式图 A和B分别表示2个存在遗传分化的选择区间。图中竖虚线代表的是sh2和DGAT1-2基因所处的具体位置。图下方标出了该基因的基因结构, 其中红色箭头代表所用分子标记位置, 绿色箭头表示的是DGAT1-2的功能位点。C和D分别表示的是ID39 (+/+)和ID274 (+/+)两个标记在4个亚群中的频率变化。"

附图1

本研究SNP在全基因组上的密度分布图 x轴代表每条染色体上的物理位置,y轴代表1Mb范围内的SNP的个数。"

附图2

甜糯玉米和糯玉米亚群之间的选择信号分析 甜糯玉米和糯玉米亚群之间的选择信号在全基因组上的分布情况。SW代表的是甜糯玉米亚群,W代表的是糯玉米亚群。"

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