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一种类林纳醇合成酶基因的促进体特征,该基因调解了对细菌病原体耐药性的跨种类变异

Qiying Wang¹, Xiaochun Wang¹, Linhua Huang¹

¹National Citrus Engineering Research Center, Citrus Research Institute, Southwest University, Chongqing, 400712, China.

BMC plant biology

|August 24, 2023

概括

类植物对类病的抵抗性各不相同,这与类醇的差异有关. 林纳醇合成酶基因 (STS4) 的促进活性影响了这些变异.

科学领域:

植物科学植物科学
分子生物学分子生物学
生物化学生物化学

背景情况:

类化合物,如林纳醇,对于植物对病原体的防御至关重要.
在果中,林纳醇有助于抵抗由Xanthomonas citri亚种引起的类癌症. 树 (Xcc) 是一个植物.

研究的目的:

为了研究类物种中醇合成酶基因的转录调节.
了解林纳醇合成酶基因中的促进子变异如何促进对类植物癌的差异性抵抗.

主要方法:

将叶子中的林纳醇含量和STS4基因表达在"东方"和"Shatian"中进行比较.
在转基因Arabidopsis.中使用GUS记者系统分析STS4促进体活性.
评估促进体对细菌挑战,伤害和莉酸的反应.

主要成果:

叶子中的林纳醇含量和对Xcc的耐药性在类物种之间存在显著差异.
保存了STS4编码序列,但转录水平不同,表明转录调节.
在Arabidopsis中,STS4促进体表现出差异性的构成性活性,并被病原体的挑战,伤害和莉酸激活.

结论:

合成酶基因STS4的促进活性在不同类物种中观察到的林纳醇水平和Xcc耐药性的变化中起作用.

关键词:

癌症是一种癌症.类植物中的类植物.林娜洛尔 (Linalool) 是一个名为林娜洛尔 (Linalool) 的语言.活动主办人活动主办人烯合成酶的使用方法

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