植物生长促进细菌对植物转录因子的调控和对胁迫耐受性的激发:系统综述

IF 3.6 2区 生物学 Q1 PLANT SCIENCES Annals of botany Pub Date : 2024-09-14 DOI:10.1093/aob/mcae166
Abdussabur M Kaleh, Pooja Singh, Kah Ooi Chua, Jennifer Ann Harikrishna
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引用次数: 0

摘要

背景 植物生长促进细菌(PGPB)已被证明可通过改善养分获取和与病原体的生物竞争等机制改善植物的生长和抗逆性。因此,使用 PGPB 有助于应对作物生产力所面临的挑战。然而,有关 PGPB 与植物宿主之间相互作用的信息,尤其是基因调控水平的信息,分布在涉及几种不同植物和 PGPB 的各种研究中。范围 在这篇综述中,我们分析了近期专门报道植物转录因子 (TF) 表达与 PGPB 相关性的研究出版物,以确定是否有任何共同的发现,并找出差距,为今后的重点研究提供机会。结论 植物接种 PGPB 后会产生动态的时间反应。最初,防御响应 TFs 上调,随后在中间阶段下调,最后再次上调,从而提供较长期的胁迫耐受性。PGPB-priming 以诱导系统抗性(ISR)的形式激活植物防御,通常通过 MAMP/MAPK 途径,并涉及一种或多种主要植物激素信号途径及其相互影响。在 PGPB 激发后,不同植物和不同病原体最常表达的 TFs 家族是 ERF 和 WRKY,而不同植物在不同非生物胁迫下最常表达的 TFs 是 ERF 和 DREB。关于从初始阶段向中间阶段转变的时间,不同研究之间存在不一致,而且在这一过程中表达的一些 TF 还没有完全定性。这就需要开展更多的研究,调查 TF 表达的调控功能和阶段,以提高作物的抗逆性。关于非生物胁迫的大多数报告都集中在盐度和干旱方面,而针对营养缺乏、重金属、洪水和其他胁迫的研究较少,这突出表明需要在这些领域开展进一步的研究。
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Modulation of Plant Transcription Factors and Priming of Stress Tolerance by Plant Growth-Promoting Bacteria: A Systematic Review
Background Plant growth-promoting bacteria (PGPB) have been shown to improve plant growth and stress tolerance through mechanisms including improved access to nutrients and biotic competition with pathogens. As such, the use of PGPB can help to address challenges to crop productivity, however, information on interactions between PGPB and their plant hosts, especially at the level of gene regulation, is distributed across diverse studies involving several different plants and PGPB. Scope For this review, we analysed recent research publications reporting specifically on plant transcription factor (TF) expression in association with PGPB, to determine if there are any common findings and to identify gaps that offer opportunities for focused future research. Conclusions The inoculation of plants with PGPB elicits a dynamic and temporal response. Initially, there is an upregulation of defence-responsive TFs, followed by their downregulation in an intermediate phase, and finally, another upregulation, providing longer term stress tolerance. PGPB-priming activates plant defences in the form of induced systemic resistance (ISR), often via the MAMP/MAPK pathways and involving one or more of the major plant hormone-signalling pathways and their crosstalk. Following PGPB-priming, the TFs families most commonly reported as expressed across different plants and for different pathogens are ERF and WRKY, while the TFs most commonly expressed across different plants for different abiotic stresses are ERF and DREB. There were inconsistencies between studies regarding the timing of the shift from the initial phase to the intermediate phase, and some of the TFs expressed during this process have not been fully characterized. This calls for more research to investigate the regulatory functions and phases of TF expression, to enhance crop resilience. Most reports on abiotic stresses have focused on salinity and drought, with fewer studies addressing nutrient deficiency, heavy metals, flooding, and other stresses, highlighting the need for further research in these areas.
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来源期刊
Annals of botany
Annals of botany 生物-植物科学
CiteScore
7.90
自引率
4.80%
发文量
138
审稿时长
3 months
期刊介绍: Annals of Botany is an international plant science journal publishing novel and rigorous research in all areas of plant science. It is published monthly in both electronic and printed forms with at least two extra issues each year that focus on a particular theme in plant biology. The Journal is managed by the Annals of Botany Company, a not-for-profit educational charity established to promote plant science worldwide. The Journal publishes original research papers, invited and submitted review articles, ''Research in Context'' expanding on original work, ''Botanical Briefings'' as short overviews of important topics, and ''Viewpoints'' giving opinions. All papers in each issue are summarized briefly in Content Snapshots , there are topical news items in the Plant Cuttings section and Book Reviews . A rigorous review process ensures that readers are exposed to genuine and novel advances across a wide spectrum of botanical knowledge. All papers aim to advance knowledge and make a difference to our understanding of plant science.
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