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Genome-wide identification and expression analysis of the calmodulin-binding transcription activator (CAMTA) gene family in wheat (Triticum aestivumL.)

文献类型： 外文期刊

作者： Yang, Fan 1 ; Dong, Fu-shuang 1 ; Hu, Fang-hui 2 ; Liu, Yong-wei 1 ; Chai, Jian-fang 1 ; Zhao, He 1 ; Lv, Meng-yu 1 ; Zho 1 ;

作者机构： 1.Hebei Acad Agr & Forestry Sci, Plant Genet Engn Ctr Hebei Prov, Inst Genet & Physiol, Shijiazhuang 050051, Hebei, Peoples R China

2.Agr & Rural Bur Nanhe Cty, Xingtai 054400, Peoples R China

关键词： CAMTA; Wheat; Genome-wide identification; Gene expression

期刊名称：BMC GENETICS （ 影响因子：2.797； 五年影响因子：3.263 ）

ISSN： 1471-2156

年卷期： 2020 年 21 卷 1 期

页码：

收录情况： SCI

摘要： Background Plant calmodulin-binding transcription activator (CAMTA) proteins play important roles in hormone signal transduction, developmental regulation, and environmental stress tolerance. However, in wheat, theCAMTAgene family has not been systematically characterized. Results In this work, 15 wheatCAMTAgenes were identified using a genome-wide search method. Their chromosome location, physicochemical properties, subcellular localization, gene structure, protein domain, and promotercis-elements were systematically analyzed. Phylogenetic analysis classified theTaCAMTAgenes into three groups (groups A, B, and C), numbered 7, 6, and 2, respectively. The results showed that mostTaCAMTAgenes contained stress-relatedcis-elements. Finally, to obtain tissue-specific and stress-responsive candidates, the expression profiles of theTaCAMTAsin various tissues and under biotic and abiotic stresses were investigated. Tissue-specific expression analysis showed that all of the 15TaCAMTAgenes were expressed in multiple tissues with different expression levels, as well as under abiotic stress, the expressions of eachTaCAMTAgene could respond to at least one abiotic stress. It also found that 584 genes in wheat genome were predicted to be potential target genes by CAMTA, demonstrating that CAMTA can be widely involved in plant development and growth, as well as coping with stresses. Conclusions This work systematically identified theCAMTAgene family in wheat at the whole-genome-wide level, providing important candidates for further functional analysis in developmental regulation and the stress response in wheat.

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