A systematic analysis of ARM genes revealed that GhARM144 regulates the resistance against Verticillium dahliae via interaction with GhOSM34
文献类型： 外文期刊
作者： Liu, Shichao 1 ; Wei, Fei 5 ; Liu, Ruibing 1 ; Xue, Chao 1 ; Chen, Yining 6 ; Zhao, Chenchen 3 ; Chen, Pengyun 2 ;
作者机构： 1.Chinese Acad Trop Agr Sci, Spice & Beverage Res Inst, Wanning, Hainan, Peoples R China
2.China Agr Univ, Coll Agron & Biotechnol, Beijing, Peoples R China
3.Henan Agr Univ, Coll Plant Protect, Zhengzhou, Peoples R China
4.Key Lab Genet Improvement & Qual Regulat Trop Spic, Wanning, Hainan, Peoples R China
5.Chinese Acad Agr Sci, Natl Key Lab Cotton Biobreeding & Integrated Utili, Inst Cotton Res, Wanning, Henan, Peoples R China
6.Nankai Univ, Coll Cyber Sci, Tianjin, Peoples R China
期刊名称：PHYSIOLOGIA PLANTARUM （ 影响因子：6.4； 五年影响因子：5.9 ）
ISSN： 0031-9317
年卷期： 2024 年 176 卷 2 期
页码：
收录情况： SCI
摘要： Proteins of the armadillo repeat gene family play important roles in plant pathogen response. Here, 169 armadillo (ARM) genes were identified in upland cotton (Gossypium hirsutum). Phylogenetic analysis grouped these into 11 subfamilies, with conserved protein structures within each subfamily. The results signify that the expansion of the gene family occurred via whole genome duplication and dispersed duplication. Expression profiling and network analysis suggest that GhARM144 may regulate cotton resistance to Verticillium dahliae. GhARM144 was upregulated in roots by V. dahliae infection or salicylic acid treatment. This upregulation indicates a negative regulatory role of GhARM144' in the cotton immune responses, potentially by manipulating salicylic acid biosynthesis. Protein interaction studies found that GhARM144 associates with an osmotin-like protein, GhOSM34, at the plasma membrane. Silencing GhOSM34 reduced the resistance to V. dahliae, suggesting it may play a positive regulatory role. The results demonstrate that GhARM144 modulates cotton immunity through interaction with GhOSM34 and salicylic acid signalling. Further study of these proteins may yield insights into disease resistance mechanisms in cotton and other plants.
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