Antimicrobial metabolites produced by the plant growth-promoting rhizobacteria (PGPR): Bacillus and Pseudomonas

Advanced Agrochem Pub Date : 2024-07-25 DOI:10.1016/j.aac.2024.07.007

Yiheng Wang, Yongfu Pei , Xin Wang , Xiongfeng Dai, Manlu Zhu

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Abstract

Plant growth-promoting rhizobacteria (PGPR) such as Bacillus and Pseudomonas have drawn broad attention and interest due to their agricultural benefits. One of the major benefits of PGPR lies at their biocontrol capabilities against various plant pathogens. The biocontrol capability of PGPR is closely related to its capability of producing various kinds of antimicrobial substances. Major antimicrobial secondary metabolites secreted by PGPR include non-ribosomal lipopeptides (NRLPs), polyketides, ribosomal peptides, phenazines, pyrrolnitrins, etc. This review focuses on the major antimicrobial secondary metabolites produced by Bacillus and Pseudomonas including their classifications, structures, mechanisms of action and genetic regulations. We have also discussed their applications in plant biocontrol and provided insights into future development of improved biocontrol strains using synthetic biology approaches.

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植物生长促进根瘤菌（PGPR）产生的抗菌代谢物：芽孢杆菌和假单胞菌

植物生长促进根瘤菌（PGPR），如芽孢杆菌和假单胞菌，因其对农业的益处而引起了广泛的关注和兴趣。PGPR 的主要益处之一在于它们对各种植物病原体的生物防治能力。PGPR 的生物防治能力与其产生各种抗菌物质的能力密切相关。PGPR 分泌的主要抗菌次生代谢物包括非核糖体脂肽（NRLPs）、多酮类化合物、核糖体肽、吩嗪类化合物、吡咯烷酮类化合物等。本综述重点介绍芽孢杆菌和假单胞菌产生的主要抗菌次级代谢产物，包括它们的分类、结构、作用机制和遗传调控。我们还讨论了它们在植物生物防治中的应用，并对未来利用合成生物学方法开发改良生物防治菌株提出了见解。

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来源期刊

Advanced Agrochem

CiteScore

3.50

自引率

0.00%

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