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首页> 外文期刊>Molecular genetics and genomics: MGG >Plant STAND P-loop NTPases: a current perspective of genome distribution, evolution, and function Plant STAND P-loop NTPases: genomic organization, evolution, and molecular mechanism models contribute broadly to plant pathogen defense
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Plant STAND P-loop NTPases: a current perspective of genome distribution, evolution, and function Plant STAND P-loop NTPases: genomic organization, evolution, and molecular mechanism models contribute broadly to plant pathogen defense

机译：植物支架P环NTP酶：基因组分布，进化和功能植物支架P环NTP酶的目前的视角：基因组组织，演化和分子机制模型促进植物病原体防御

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摘要

STAND P-loop NTPase is the common weapon used by plant and other organisms from all three kingdoms of life to defend themselves against pathogen invasion. The purpose of this study is to review comprehensively the latest finding of plant STAND P-loop NTPase related to their genomic distribution, evolution, and their mechanism of action. Earlier, the plant STAND P-loop NTPase known to be comprised of only NBS-LRRs/AP-ATPase/NB-ARC ATPase. However, recent finding suggests that genome of early green plants comprised of two types of STAND P-loop NTPases: (1) mammalian NACHT NTPases and (2) NBS-LRRs. Moreover, YchF (unconventional G protein and members of P-loop NTPase) subfamily has been reported to be exceptionally involved in biotic stress (in case of Oryza sativa), thereby a novel member of STAND P-loop NTPase in green plants. The lineage-specific expansion and genome duplication events are responsible for abundance of plant STAND P-loop NTPases; where "moderate tandem and low segmental duplication" trajectory followed in majority of plant species with few exception (equal contribution of tandem and segmental duplication). Since the past decades, systematic research is being investigated into NBS-LRR function supported the direct recognition of pathogen or pathogen effectors by the latest models proposed via 'integrated decoy' or 'sensor domains' model. Here, we integrate the recently published findings together with the previous literature on the genomic distribution, evolution, and distinct models proposed for functional molecular mechanism of plant STAND P-loop NTPases.
机译：支架P环NTPase是植物和其他三个王国的其他生物使用的常见武器来保护自己免受病原体入侵。本研究的目的是全面审查与其基因组分布，进化和行动机制有关的植物支架P环NTP酶的最新发现。早先，已知仅由NBS-LRRS / AP-ATP酶/ NB-ARC ATP酶组成的植物支架P环NTP酶。然而，最近的发现表明，早期绿色植物的基因组由两种类型的支架P环核酶组成：（1）哺乳动物Nacht NTP酶和（2）NBS-LRS。此外，据报道，YCHF（非常规G蛋白和P-Loop NTPase的成员）亚家族地涉及生物胁迫（如果是Oryza Sativa的情况），从而在绿色植物中的一部分P-Loop NTPase的新型成员。谱系特异性的膨胀和基因组重复事件负责植物支架P环NTP酶的丰富;其中“适度串联和低分段复制”轨迹遵循大多数植物物种，少数例外（串联和节段性重复的平等贡献）。自过去几十年以来，正在调查系统的研究，通过通过“综合诱饵”或“传感器域”模型提出的最新型号，支持NBS-LRR函数的直接识别病原体或病原体效应。在这里，我们将最近发布的调查结果与以前的文献一起整合在植物支架P环NTPases的功能分子机制所提出的基因组分布，进化和不同模型上。

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