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作物学报 ›› 2025, Vol. 51 ›› Issue (9): 2547-2556.doi: 10.3724/SP.J.1006.2025.42051

• 研究简报 • 上一篇    

基于HRM技术开发水稻抗条纹叶枯病基因STV11功能标记

王婵1,2(), 吴莹莹1,2, 李文奇2, 李霞2, 王芳权2, 周彤3, 杨杰1,2,*()   

  1. 1江苏大学, 江苏镇江 212013
    2江苏省农业科学院粮食作物研究所 / 农业农村部淮河下游种质创制重点实验室(南京), 江苏南京 210014
    3江苏省农业科学院植物保护研究所, 江苏南京 210014
  • 收稿日期:2024-11-27 接受日期:2025-06-01 出版日期:2025-09-12 网络出版日期:2025-06-13
  • 通讯作者: *杨杰, E-mail: yangjie168@aliyun.com
  • 作者简介:E-mail: cw00113@163.com
  • 基金资助:
    本研究由生物育种钟山实验室项目(BM2022008-03)

Development of functional markers of rice stripe disease resistance gene STV11 based on HRM technique

WANG Chan1,2(), WU Ying-Ying1,2, LI Wen-Qi2, LI Xia2, WANG Fang-Quan2, ZHOU Tong3, YANG Jie1,2,*()   

  1. 1Jiangsu University, Zhenjiang 212013, Jiangsu, China
    2Institute of Grain Crops, Jiangsu Academy of Agricultural Sciences / Key Laboratory of Germplasm lnnovation in Downstrem of Huaihe River (Nanjing), Nanjing 210014, Jiangsu, China
    3Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, Jiangsu, China
  • Received:2024-11-27 Accepted:2025-06-01 Published:2025-09-12 Published online:2025-06-13
  • Contact: *E-mail: yangjie168@aliyun.com
  • Supported by:
    Zhongshan Biological Breeding Laboratory Project(BM2022008-03)

摘要: 水稻条纹叶枯病是一种由灰飞虱传播的重要病害, 对水稻(Oryza sativa L.)生产造成威胁, 其病原为水稻条纹叶枯病毒(rice stripe virus, RSV)。为了加快水稻条纹叶枯病抗性品种选育进程, 本研究旨在开发可以快速准确鉴定水稻条纹叶枯病抗性基因的功能标记, 有助于提高水稻种质改良的效率。STV11是从籼稻Kasalath中鉴定的条纹叶枯病抗性基因。根据Kasalath型条纹叶枯病基因STV11KAS的6个碱基缺失的功能性多态性序列差异, 通过NCBI查找克隆序列(登录号: LOC_Os11g30910), 针对其第773~779位核苷酸在抗感品种上的差异序列, 设计基于高分辨率熔解曲线(high-resolution melting curve, HRM)的功能性分子标记stvHRM-3。进一步, 对所检测品种的目标片段的PCR产物进行测序分析以验证鉴定结果, 并对部分江苏省试验品种进行抗条纹叶枯病表型和基因型的分析。通过HRM-PCR检测结合测序分析, 筛选了STV11基因1个功能区域的功能标记stvHRM-3。利用stvHRM-3对包括江苏省晚粳组区试、迟熟中粳预试材料以及育种中间材料、部分品种资源等在内的520份粳稻材料的STV11基因型进行检测。结果发现, 217份水稻材料为抗病基因型; 294份材料为感病基因型; 9份材料为抗感杂合基因型。基于功能标记鉴定为抗病基因型的材料均表现出高抗或抗病表型特征。基于HRM-PCR技术开发的基因功能标记stvHRM-3可以快速高通量鉴定水稻STV11不同基因型, 具有潜在的育种应用价值。

关键词: 水稻, 条纹叶枯病, STV11基因, 功能标记, HRM-PCR技术

Abstract:

Rice stripe disease, transmitted by the brown planthopper, poses a major threat to rice (Oryza sativa L.) production, particularly affecting japonica rice (Oryza sativa subsp. japonica). The causal agent is the rice stripe virus (RSV), which causes significant yield losses. To accelerate the breeding of rice varieties resistant to rice stripe disease, this study aimed to develop functional markers for the rapid and accurate identification of RSV resistance genes, thereby improving the efficiency of rice germplasm enhancement. STV11, a resistance gene identified in the indica variety Kasalath, was targeted. Based on a six-base deletion polymorphism in the Kasalath-type resistance allele STV11KAS (LOC_Os11g30910), sequence data from NCBI were analyzed. A PCR-based functional molecular marker, stvHRM-3, was designed according to nucleotide differences at positions 773-779 between resistant and susceptible varieties. PCR amplification and sequencing of the target fragments were conducted to validate the marker’s specificity. Through HRM-PCR detection and sequencing analysis, stvHRM-3 was confirmed as a functional marker for the STV11 gene. Using this marker, the STV11 genotypes of 520 japonica rice accessions—including materials from the Jiangsu Provincial Late Japonica Rice Regional Trials, late-maturing medium japonica preliminary tests, breeding intermediates, and selected varieties—were analyzed. Results showed that 217 accessions carried the resistance allele, 294 carried the susceptibility allele, and nine exhibited a heterozygous genotype. Accessions identified as resistant through marker analysis consistently exhibited high or moderate levels of resistance. The stvHRM-3 marker, developed using HRM-PCR technology, enables rapid, high-throughput genotyping of STV11 alleles and provides an effective tool for the early screening of RSV resistance. This marker holds great potential for application in marker-assisted selection and breeding of stripe virus-resistant rice varieties.

Key words: rice, rice stripe disease, STV11, functional marker, HRM-PCR technology

表1

基于序列差异设计的功能标记和测序引物"

引物名称
Primer name
引物序列
Primer sequence
(5′-3′)
片段大小
Expected size
(bp)
stv477-F GAGTCCACCTTCGCCATCTC 477
stv477-R CAGCATCTCCTCGTACCGGA
stvHRM-1-F GAAGGGTGTCACAACGACCA 75
stvHRM-1-R AACACCTGCTCGATCGATGG
stvHRM-2-F AGCAACATGGTGAAGGGTGT 90
stvHRM-2-R GTCGAACACCTGCTCGATCG
stvHRM-3-F TGTCACAACGACCACGGAC 84
stvHRM-3-R TCGCAGAACAGGTCGAACAC
stvHRM-4-F GAAGGGTGTCACAACGACCA 91
stvHRM-4-R GTCGCAGAACAGGTCGAACA
stvHRM-5-F AGCAACATGGTGAAGGGTGT 91
stvHRM-5-R GGTCGAACACCTGCTCGATC

图1

抗感水稻品种STV11基因功能位点序列测序结果对比 图为淮稻5号、南粳45、南粳46、南粳5055、南粳9108、农香39、粤禾丝苗、镇稻88的序列比对结果, 灰框示抗感品种的差异。"

图2

STV11基因高分辨率熔解曲线(HRM)功能标记的多态性分析 横坐标表示温度, 纵坐标表示在465至510 nm波长范围内检测到的荧光信号。A: stvHRM-1检测结果; B: stvHRM-2检测结果; C: stvHRM-4检测结果; D: stvHRM-5检测结果; E: stvHRM-3检测结果, 其中蓝色表示镇稻88、南粳46、南粳5055、南粳9108、农香39、粤禾丝苗的熔解曲线; 红色表示淮稻5号、南粳45的熔解曲线; 灰色表示抗感品种混合DNA的熔解曲线。STV11-R表示抗病基因型, STV11-S表示感病基因型, Heterozygote表示杂合型。"

图3

水稻育种中间材料STV11基因型鉴定 缩写同图2。蓝色示灵禾9178、农香21、哈勃3003、凡20、R6547、华占、宝煌33145、星稻99、苏秀867的熔解曲线; 红色示徐稻268、金武粳3087、华粳0061、宁粳2243、春粳747、天丰粳98、徐稻3号、华浙粳20124的熔解曲线; 绿色示金单粳125、淮稻5号/润扬稻17001 (Pigm) (F7)、武运粳39//穗繁-20 ([53045/07GY31 (pigm) BC1F2] /淮稻5号(灌浆快) (F5)) (BC1F1) (F5)、紫金糯1号香/A120-41 (F8)、保丰246、金粳59/ ([9108/NJ45HR (F2)] /71029 (F7)) (F5)的熔解曲线。"

图4

stvHRM-3标记鉴定部分水稻材料STV11基因测序峰图 缩写同图2。A~C分别为灵禾9178、华粳0061、淮稻5号/润扬稻17001 (Pigm) (F7)单株STV11基因测序峰图。红色框示STV11基因第773~779位。"

表2

江苏省区试材料条纹叶枯病抗病基因型检测与表型"

名称
Name
高分辨率熔解曲线
HRM
抗性评价
Resistance evaluation
抗性等级
Resistance class
南粳13092 Nanjing 13092 STV11-S MS 5
镇稻6243 Zhendao 6243 STV11-S R 3
华粳2050 Huajing 2050 STV11-R HR 1
常粳23-1 Changjing 23-1 STV11-S R 3
苏2869 Su 2869 STV11-R HR 1
金单粳119 Jindanjing 119 STV11-S R 3
宁B9036 Ning B9036 STV11-R HR 1
盐稻777 Yandao 777 STV11-S R 3
农香粳1265 Nongxiangjing 1265 STV11-R R 3
HM2308 STV11-S MS 5
苏垦24038 Suken 24038 STV11-R R 3
星稻99 Xingdao 99 STV11-R HR 1
苏2118 Su 2118 STV11-S R 3
通粳233 Tongjing 233 STV11-R R 3
武运粳23号 Wuyunjing 23 STV11-S HR 1
扬粳糯369 Yangjingnuo 369 STV11-S R 3
晚粳糯9号 Wanjingnuo 9 STV11-S HR 1
镇糯6279 Zhennuo 6279 STV11-S HR 1
苏糯2108 Sunuo 2108 STV11-R HR 1
盐香糯279 Yanxiangnuo 279 STV11-S MS 5
宁糯20910 Ningnuo 20910 STV11-R R 3
明糯31029 Mingnuo 31029 STV11-S MS 5
春糯708 Chunnuo 708 STV11-S R 3
武运粳23号 Wuyunjing 23 STV11-S HR 1

表3

stvHRM-3和ST10对水稻条纹叶枯病抗性鉴定结果对比"

ST10标记检测
Detection of ST10
stvHRM-3标记检测Detection of stvHRM-3
抗病基因型
Disease resistance genotype
感病基因型
Susceptible genotype
杂合型
Heterozygous
总计
Total
抗病基因型Disease resistance genotype 183 36 8 227
感病基因型Susceptible genotype 34 258 1 293
杂合基因型Heterozygous 0 0 0 0
总计Total 217 294 9 520

图5

分子标记ST10在迟熟中粳鉴定材料中的检测结果 有条带则为抗病基因型, 无条带为感病基因型。图中编号对应材料见附表1。"

附表1

迟熟中粳鉴定部分品系杂交组合"

品系
Line
杂交组合
Hybrid combination
品系
Line
杂交组合
Hybrid combination
43067 皖粳糯1号/武T26 (糯) /红糯(太湖所选) (F6)
Wanjingnuo 1/Wu T26 (nuo) / Hongnuo (selected from Taihu) (F6)
43184 93093/13076 (F7)
43068 83019/86110 (F7) 43185 93093/13082 (F7)
43069 连粳147729/红糯(太湖所选) (F6)
Lianjing 147729/Hongnuo (selected from Taihu) (F6)
43186 紫金糯1号香// [淮5/金粳818 (BC2F1)] (F8)
Zijinnuo 1 Xiang/ [Huai 5/ Jinjing 818 (BC2F1)] (F8)
43070 镇糯19号/武T26 (糯) /红糯(太湖所选) (F6)
Zhennuo 19/Wu T26 (nuo) / Hongnuo (selected from Taihu) (F6)
43187 93093/13076 (BC1F6)
43071 镇糯19号/武T26 (糯) /红糯(太湖所选) (F6)
Zhennuo 19/Wu T26 (nuo) / Hongnuo (selected from Taihu) (F6)
43188 93093/13076 (BC1F6)
43072 兴化紫稻/泗阳紫稻 (F6)
Xinghuazidao/Siyangzidao (F6)
43189 紫金糯1号香/A120-41 (F9)
Zijinnuo 1 Xiang/A120-41 (F9)
43073 17111/63131//73220 (F17) 43190 紫金糯1号香/A120-41 (F9)
Zijinnuo 1 Xiang/A120-41 (F9)
43074 常农粳8号/泗稻15 (F7)
ChangnongJing 8/Sidao 15 (F7)
43191 紫金糯1号香/A120-41 (F8)
Zijinnuo 1 Xiang/A120-41 (F8)
43075 75102/ 71091 (F7) 43192 紫金糯1号香/A120-41 (F8)
Zijinnuo 1 Xiang/A120-41 (F8)
43076 [新软米/南粳46 (F9)] /07GY31 (pigm) (F7)
[Xinruanmi/Nanjing 46 (F9)] /07GY31 (pigm) (F7)
43193 紫金糯1号香/A120-41 (F8)
Zijinnuo 1 Xiang/A120-41 (F8)
43077 中168/22116//31123 (F11)
Zhong 168/22116//31123 (F11)
43194 紫金糯1号香/A120-41 (F8)
Zijinnuo 1 Xiang/A120-41 (F8)
43078 NJ49/41139 (F10) 43195 紫金糯1号香/A120-41 (F8)
Zijinnuo 1 Xiang/A120-41 (F8)
43079 62055/82043 (F6) 43196 93093/13076 (F7)
43080 淮稻5号
Huaidao 5
43197 通系949/19HNKG480 (F8)
Tongxi 949/19HNKG480 (F8)
43081 武运粳27/金粳818 (BC4F6)
Wuyunjing 27/Jinjing 818 (BC4F6)
43198 通系949/19HNKG480 (F8)
Tongxi 949/19HNKG480 (F8)
43082 武运粳27/金粳818 (BC4F6)
Wuyunjing 27/Jinjing 818 (BC4F6)
43199 93093/13076 (BC1F6)
43083 [武科粳210/润稻118] / [武科粳210/ WM1606] (F5)
[Wukejing 210/Rundao 118] / [Wukejing 210/ WM1606] (F5)
43200 93093/08102 (BC1F6)
43084 宁9108/15迟中预63 (F9)
Ning 9108/15 Chizhongyu 63 (F9)
43201 93093/08102 (BC3F5)
43085 武运粳39//穗繁-20 ([53045/07GY31 (pigm) BC1F2] /淮稻5号(灌浆快) (F5)) (BC1F1) (F5)
[Wuyunjing 39//Suifan-20 ([53045/07GY31 (pigm) BC1F2] / Huaidao 5 (Rapid grain filling) (F5))] (BC1F1) (F5)
43202 93093/08102 (BC3F5)
43086 武运粳39//穗繁-20 ([53045/07GY31(pigm) BC1F2]/淮稻5号(灌浆快)(F5)) (BC1F1) (F5)
[Wuyunjing 39// Sui Fan-20 ([53045/ 07GY31 (pigm) BC1F1]/ Huaidao 5 (Rapid grain filling) (F5))] (BC1F1) (F5)
43203 93093/08102 (BC3F5)
43087 [53045/ 07GY31(Pigm) (BC1F9)] / [金粳818/连粳7号(F6)] (F5)
[53045/ 07GY31(Pigm) (BC1F9)] / [Jinjing 818/Lianjing 7(F6)] (F5)
43204 93093/08102 (BC1F6)
43088 淮稻5号/润扬稻17001 (Pigm) (F7)
Huaidao 5/Runyangdao 17001 (Pigm) (F7)
43205 93093/08102 (BC1F6)
43089 淮稻5号/润扬稻17001 (Pigm) (F7)
Huaidao 5/Runyangdao 17001 (Pigm) (F7)
43206 93093/08102 (BC3F5)
43090 大穗香/金香玉1号(F7)
Dasuixiang/Jinxiangyu 1 (F7)
43207 93093/08102 (BC3F5)

表4

HRM-PCR对520份水稻材料STV11基因型检测统计"

材料
Material
总数
Total
抗病基因型STV11-R 感病基因型STV11-S 杂合型Heterozygote
江苏省迟熟中粳预试
Jiangsu provincial preliminary trial for late-maturing medium japonica rice
97 45 50 2
中熟中粳鉴定Mid-maturing medium japonica evaluation 51 25 25 1
迟熟中粳鉴定Late-maturing medium japonica evaluation 262 90 166 6
早熟晚粳鉴定Early-maturing late japonica evaluation 38 29 9 0
江苏省早熟晚粳组区试
Jiangsu provincial regional trials for early-maturing late japonica rice group
15 7 8 0
江苏省早熟晚粳早熟组区试
Jiangsu provincial regional trials for early-maturing subgroup of early-maturing late japonica rice
9 2 7 0
其他材料Other accessions 48 19 29 0
共计Total 520 217 294 9
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