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微生物学报

植物病原细菌毒性调控网络的研究进展
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上海市科技兴农项目[沪农科创字(2019)第2-2号]


Virulence regulation networks in plant pathogenic bacteria:a review
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    摘要:

    植物病原细菌通过复杂和精细的全局性调控网络来协调多个层面的毒性决定因子。在不同的植物病原细菌中,这些全局性的毒性调控网络控制着细菌的侵染策略、存活以及在面临寄主植物防卫系统的互作环境中实现成功侵染的病程。本文详细分析了植物病原细菌4个重要属(假单胞菌属、果胶杆菌属、黄单胞菌属和雷尔氏菌属)的模式病原菌主要的毒性调控系统,包括群体感应系统、双组分调控系统、转录激活调控子以及转录后、翻译后的调控机制。在此基础上,重点评价了一些模式菌株全局性毒性调控机制的异同点,总结了一些最新的研究进展,并绘制了精细的网络调控图。这些分析表明,虽然一些相同的调控系统控制着病原菌的毒性,但是在不同种以及种下的亚种或者致病变种中这些调控机制功能各异,对于病原菌全毒性的贡献也存在着明显的差异。

    Abstract:

    Plant pathogenic bacteria coordinate multifaceted virulence determinants through some complex and delicate global regulation networks.In the diverse species,these networks dictate bacterial infection strategies,survival,and the success in infection in the presence of host plant defense systems.In this paper,the major virulence regulation systems in the model pathogens in four genera (Pseudomonas,Pectobacterium,Xanthomonas,and Ralstonia) of plant pathogenic bacteria were reviewed,including the quorum sensing,two-component regulatory systems,transcriptional activators,and post-transcription or post-translation regulation systems.Particularly,the similarities and differences in the virulence regulation mechanisms among some model strains were analyzed and related research was summarized.Moreover,virulence regulation networks for the four pathogen groups were plotted.The analysis suggested the different functions of the virulence regulation networks among different species,subspecies,or variants of the pathogens despite some common regulation subsystems.

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阎依超,方园,唐家全,邹丽芳,陈功友.植物病原细菌毒性调控网络的研究进展.微生物学报,2022,62(9):3329-3344

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  • 收稿日期:2022-01-28
  • 最后修改日期:2022-04-07
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  • 在线发布日期: 2022-09-05
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