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Characterization of the CCT family and analysis of gene expression in Aegilops tauschii

文献类型： 外文期刊

作者： Zheng, Xingwei 1 ; Li, Xiaohua 1 ; Ge, Chuan 2 ; Chang, Jianzhong 2 ; Shi, Mengmeng 1 ; Chen, Jianli 3 ; Qiao, Linyi 2 ;

作者机构： 1.Shanxi Acad Agr Sci, Inst Wheat Res, Linfen, Peoples R China

2.Shanxi Acad Agr Sci, Inst Crop Sci, Shanxi Key Lab Crop Genet & Mol Improvement, Taiyuan, Shanxi, Peoples R China

3.Univ Idaho, Dept Plant Soil & Entomol Sci, Moscow, ID 83843 USA

期刊名称：PLOS ONE （ 影响因子：3.24； 五年影响因子：3.788 ）

ISSN： 1932-6203

年卷期： 2017 年 12 卷 12 期

页码：

收录情况： SCI

摘要： Flowering is crucial for reproductive success in flowering plant. The CCT domain-containing genes widely participate in the regulation of flowering process in various plant species. So far, the CCT family in common wheat is largely unknown. Here, we characterized the structure, organization, molecular evolution and expression of the CCT genes in Aegilops tauschii, which is the D genome donor of hexaploid wheat. Twenty-six CCT genes (AetCCT) were identified from the full genome of A. tauschii and these genes were distributed on all 7 chromosomes. Phylogenetic analysis classified these AetCCT genes into 10 subgroups. Thirteen AetCCT members in group A, C, H and G achieved rapid evolution based on evolutionary rate analysis. The AetCCT genes respond to different exogenous hormones and abiotic treatments, the expression of AetCCT4, 7, 8, 11, 12, 16, 17, 19, 21 and 22 showed a significant 24 h rhythm. This study may provide a reference for common wheat's evolution, domestication and evolvement rules, and also help us to understand the ecological ability of A. tauschii.

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