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Database mining of plant peptide homologues

文献类型： 外文期刊

作者： Yuan, Na 1 ; Furumizu, Chihiro 2 ; Zhang, Baolong 1 ; Sawa, Shinichiro 2 ;

作者机构： 1.Jiangsu Acad Agr Sci, Inst Crop Germplasm & Biotechnol, Prov Key Lab Agrobiol, Nanjing 210014, Peoples R China

2.Kumamoto Univ, Fac Adv Sci & Technol, Kumamoto 8608555, Japan

关键词： homologues; mimics; pathogen effectors; plant peptides

期刊名称：PLANT BIOTECHNOLOGY （ 影响因子：0.901； 五年影响因子：1.137 ）

ISSN： 1342-4580

年卷期： 2021 年 38 卷 1 期

页码：

收录情况： SCI

摘要： In plant-pathogen interactions, pathogens employ secreted molecules, known as effectors to overcome physical barriers, modulate plant immunity, and facilitate colonization. Among these diverse effectors, some are found to mimic the plant peptides, to target host's peptide receptors, and intervene in the peptide-regulated defense pathways and/or plant development. To better understand how pathogens have co-evolved with their plant hosts in order to improve disease management, we explored the presence of plant peptide mimics in microbes by bioinformatic analysis. In total, 36 novel peptide mimics belong to five plant peptide families were detected in bacterial and fungal kingdoms. Among them, phytosulfokine homologues were widely distributed in 22 phytopathogens and one bacterium, thereby constituted the largest proportion of the identified mimics. The putative functional peptide region is well conserved between plant and microbes, while the existence of a putative signal peptide varies between species. Our findings will increase understanding of plant-pathogen interactions, and provide new ideas for future studies of pathogenic mechanisms and disease management.

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