Calmodulin and calmodulin-like gene family in barley: Identification, characterization and expression analyses
文献类型： 外文期刊
作者： Cai, Kangfeng 1 ; Kuang, Liuhui 3 ; Yue, Wenhao 1 ; Xie, Shanggeng 3 ; Xia, Xue 1 ; Zhang, Guoping 3 ; Wang, Junmei 1 ;
作者机构： 1.Zhejiang Acad Agr Sci, Key Lab Digital Dry Land Crops Zhejiang Prov, Hangzhou, Peoples R China
2.Natl Barley Improvement Ctr, Hangzhou, Peoples R China
3.Zhejiang Univ, Inst Crop Sci, Hangzhou, Peoples R China
关键词： calmodulin; calmodulin-like; barley; expression; pan-genome; abiotic stress
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： 2022 年 13 卷
页码：
收录情况： SCI
摘要： Calmodulin (CaM) and calmodulin-like (CML) proteins are Ca2+ relays and play diverse and multiple roles in plant growth, development and stress responses. However, CaM/CML gene family has not been identified in barley (Hordeum vulgare). In the present study, 5 HvCaMs and 80 HvCMLs were identified through a genome-wide analysis. All HvCaM proteins possessed 4 EF-hand motifs, whereas HvCMLs contained 1 to 4 EF-hand motifs. HvCaM2, HvCaM3 and HvCaM5 coded the same polypeptide although they differed in nucleotide sequence, which was identical to the polypeptides coded by OsCaM1-1, OsCaM1-2 and OsCaM1-3. HvCaMs/CMLs were unevenly distributed over barley 7 chromosomes, and could be phylogenetically classified into 8 groups. HvCaMs/CMLs differed in gene structure, cis-acting elements and tissue expression patterns. Segmental and tandem duplication were observed among HvCaMs/CMLs during evolution. HvCML16, HvCML18, HvCML50 and HvCML78 were dispensable genes and the others were core genes in barley pan-genome. In addition, 14 HvCaM/CML genes were selected to examine their responses to salt, osmotic and low potassium stresses by qRT-PCR, and their expression were stress-and time-dependent. These results facilitate our understanding and further functional identification of HvCaMs/CMLs.
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