文献类型： 外文期刊
作者： Lv, Tianxiao 1 ; Liu, Qiongrui 1 ; Xiao, Hong 1 ; Fan, Tian 1 ; Zhou, Yuping 1 ; Wang, Jinxing 2 ; Tian, Chang-en 1 ;
作者机构： 1.Guangzhou Univ, Innovat Ctr Mol Genet & Evolut,Guangdong Prov Key, Guangzhou Higher Educ Mega Ctr, Sch Life Sci,Guangzhou Key Lab Crop Gene Editing, Guangzhou, Peoples R China
2.Heilongjiang Acad Agr Sci, Suihua Branch Inst, Suihua, Heilongjiang, Peoples R China
关键词： IQM; identification; family analysis; soybean; CaMBP
期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：5.6； 五年影响因子：6.8 ）
ISSN： 1664-462X
年卷期： 2023 年 13 卷
页码：
收录情况： SCI
摘要： IQM, a plant-specific calmodulin-binding protein, plays multiple roles in plant growth and development. Although a comprehensive analysis has been carried out on the IQM family genes in Arabidopsis and rice, the number and functions of IQM genes in other species have not been explored. In this study, we identified 15 members of the soybean (Glycine max) IQM gene family using BLASTP tools. These members were distributed on 12 soybean chromosomes and constitute six pairs caused by fragment duplication events. According to phylogeny, the 15 genes were divided into three subfamilies (I, II, and III), and members of the same subfamily had similar gene and protein structures. Yeast two-hybrid experiments revealed that the IQ motif is critical for the binding of GmIQM proteins to GmCaM, and its function is conserved in soybean, Arabidopsis, and rice. Based on real-time PCR, the soybean IQM genes were strongly induced by PEG and NaCl, suggesting their important biological functions in abiotic stress responses. Overall, this genome-wide analysis of the soybean IQM gene family lays a solid theoretical foundation for further research on the functions of GmIQM genes and could serve as a reference for the improvement and breeding of soybean stress resistance traits.
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