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Regulation of Capsicum immunity against microbial pathogens: Transcription factors in focus
Physiological and Molecular Plant Pathology ( IF 2.8 ) Pub Date : 2020-12-01 , DOI: 10.1016/j.pmpp.2020.101548
Ali Noman , Sameer Hasan Qari , Muhammad Aqeel , Noreen Khalid , Saad Alamri , Nahla Alsayed Bouqellah , Mohamed Hashem , Mona H. Soliman , Habib Ali , Ijaz Haider

Abstract Induction of stress-related genes is primarily reckoned as a major step in plant responses to any stress. The plant genomes possess multiple types of transcription factors (TFs) belonging to diverse families and many of them are unique to plants. The TFs are regulators of transcriptional reprogramming linked with stress responses in plants. TF gene(s) frequently retorts to numerous stresses and then their respective polypeptides may contribute in the positive or negative regulation of apparently dissimilar processes. Many plant TFs are induced by biotrophic as well as necrotrophic pathogens. Functional characterization of TFs provides solid evidence of their role in the regulation of plant defense responses. This advocates the fact that TF does not work alone, but the immune response to pathogens mediated by it, is strongly linked to enhancing the effect of TF on the transcription of defense associated genes. The plant-plant difference in transcriptional responses of TF and Defense associated genes highlights that a TF may regulate defense positively or negatively. This diversity in responses is proof of functional diversity among TFs. Their functions in plant immunity and abiotic stress tolerance in plants have been characterized but still need investigations in Capsicum annuum. This article focuses upon recent progress in our understanding of the role of the TFs involved in Capsicum defense against Microbial pathogenesis especially against bacterial pathogens. We have dissected collateral interactions between TFs, proteins and nuclear receptors working for Capsicum defense. Besides, we have also reviewed and discussed the topical concepts of transcriptional intervention for controlling the activity of TFs.

中文翻译:

辣椒对微生物病原体免疫的调节:关注转录因子

摘要 胁迫相关基因的诱导主要被认为是植物对任何胁迫作出反应的一个重要步骤。植物基因组具有多种类型的转录因子 (TF),属于不同家族,其中许多是植物独有的。TFs 是与植物胁迫反应相关的转录重编程的调节剂。TF 基因经常反驳许多压力,然后它们各自的多肽可能有助于明显不同过程的正或负调节。许多植物 TF 是由生物营养和坏死营养病原体诱导的。TFs 的功能表征为其在调节植物防御反应中的作用提供了确凿的证据。这提倡这样一个事实,即 TF 不是单独工作,而是由它介导的对病原体的免疫反应,与增强 TF 对防御相关基因转录的影响密切相关。TF 和防御相关基因转录反应的植物-植物差异突出表明,TF 可能积极或消极地调节防御。这种反应的多样性证明了 TF 之间的功能多样性。它们在植物免疫和植物非生物胁迫耐受方面的功能已被表征,但仍需要在辣椒中进行研究。本文重点介绍了我们对 TF 在辣椒防御微生物发病机制尤其是细菌病原体方面的作用的理解方面的最新进展。我们已经剖析了用于辣椒防御的 TF、蛋白质和核受体之间的间接相互作用。除了,
更新日期:2020-12-01
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