外源茉莉酸甲酯对UV-B胁迫下颠茄生物碱积累及TAs代谢途径调控的机制探究
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山雨思, 辛正琦, 何潇, 代欢欢, 吴能表
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Mechanism exploration on alkaloids accumulation and TAs metabolic pathways regulation in Atropa belladonna L. treated with exogenous methyl jasmonate under UV-B stress
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Yu-Si SHAN, Zheng-Qi XIN, Xiao HE, Huan-Huan DAI, Neng-Biao WU
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表2 不同浓度外源MeJA对UV-B胁迫下颠茄叶片莨菪碱和东莨菪碱含量的影响
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Table 2 Effects on the hyoscyamine and scopolamine contents under exogenous methyl jasmonate with different concentrations in A. belladonna leaves under UV-B stress (μg g-1 DW)
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指标
Indicator | 处理组
Treatment group | 处理时间Treatment time | | 4 d | 8 d | 12 d | 16 d | 莨菪碱
Hyoscyamine | CK1 | 477.988±30.032 d | 464.993±39.364 a | 510.286±29.327 a | 489.386±33.957 a | | CK2 | 514.323±36.595 c | 403.706±14.900 c | 350.179±35.316 d | 295.220±30.438 d | | T1 | 527.659±38.739 bc | 423.530±36.157 bc | 375.603±19.982 c | 312.172±19.933 cd | | T2 | 542.565±35.559 bc | 468.808±27.539 a | 392.611±37.487 bc | 361.054±22.242 bc | | T3 | 581.520±17.200 a | 447.993±24.571 b | 425.491±47.568 b | 384.890±44.869 b | | T4 | 564.200±33.989 ab | 430.305±15.919 bc | 369.667±40.042 c | 332.059±26.077 c | 东莨菪碱
Scopolamine | CK1 | 267.673±24.260 a | 261.248±22.428 a | 294.230±42.998 a | 282.621±28.477 a | | CK2 | 221.892±20.219 c | 198.795±34.491 c | 174.729±14.562 d | 121.804±15.205 d | | T1 | 243.889±28.790 ab | 217.900±17.821 bc | 193.653±21.253 cd | 130.244±24.996 cd | | T2 | 237.625±28.217 ab | 236.775±13.461 ab | 221.873±19.211 b | 150.869±26.035 c | | T3 | 248.261±20.375 ab | 234.134±26.418 b | 229.996±29.857 b | 185.867±23.527 b | | T4 | 225.705±14.739 bc | 220.173±26.487 bc | 208.852±24.722 bc | 164.412±30.129 c |
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