文献类型: 外文期刊
作者: Ma, Huizhen;Feng, Yong;Cao, Qianqian;Jia, Jing;Ali, Muhammad;Shah, Dilip;Meyers, Blake C.;He, Hai;Zhang, Yu
作者机构:
关键词: Antimicrobial peptides;Cysteine-rich peptides;Gene duplication;Plant disease resistance
期刊名称: PLANT CELL REPORTS
ISSN: 0721-7714
年卷期: 2023 年
页码:
收录情况: SCIE(2023版)
摘要: Key messageWe analyzed the evolutionary pattern of cysteine-rich peptides (CRPs) to infer the relationship between CRP copy number and plant ecotype, and the origin of bi-domains CRPs.Plants produce cysteine-rich peptides (CRPs) that have long-lasting broad-spectrum antimicrobial activity to protect themselves from various groups of pathogens. We analyzed 240 plant genomes, ranging from algae to eudicots, and discovered that CRPs are widely distributed in plants. Our comparative genomics results revealed that CRP genes have been amplified through both whole genome and local tandem duplication. The copy number of these genes varied significantly across lineages and was associated with the plant ecotype. This may be due to their resistance to changing pathogenic environments. The conserved and lineage-specific CRP families contribute to diverse antimicrobial activities. Furthermore, we investigated the unique bi-domain CRPs that result from unequal crossover events. Our findings provide a unique evolutionary perspective on CRPs and insights into their antimicrobial and symbiosis characteristics.
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