Genome-Wide Identification and Characterization of Glycosyltransferase Family 47 in Cotton

文献类型： 外文期刊

第一作者： Wu, Aimin

作者： Wu, Aimin;Hao, Pengbo;Wei, Hengling;Sun, Huiru;Cheng, Shuaishuai;Chen, Pengyun;Ma, Qiang;Gu, Lijiao;Zhang, Meng;Wang, Hantao;Yu, Shuxun

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关键词： Gossypium; glycosyltransferase; gene expansion; fiber development; stress response

期刊名称：FRONTIERS IN GENETICS （ 影响因子：4.599； 五年影响因子：4.888 ）

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年卷期： 2019 年 10 卷

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收录情况： SCI

摘要： The glycosyltransferase (GT) 47 family is involved in the biosynthesis of xylose, pectin and xyloglucan and plays a significant role in maintaining the normal morphology of the plant cell wall. However, the functions of GT47s are less well known in cotton. In the present study, a total of 53, 53, 105 and 109 GT47 genes were detected by genome-wide identification in Gossypium arboreum, G. raimondii, G. hirsutum and G. barbadense, respectively. All the GT47s were classified into six major groups via phylogenetic analysis. The exon/intron structure and protein motifs indicated that each branch of the GT47 genes was highly conserved. Collinearity analysis showed that GT47 gene family expansion occurred in Gossypium spp. mainly through wholegenome duplication and that segmental duplication mainly promoted GT47 gene expansion within the A and D subgenomes. The Ka/Ks values suggested that the GT47 gene family has undergone purifying selection during the long-term evolutionary process. Transcriptomic data and qRT-PCR showed that GhGT47 genes exhibited different expression patterns in each tissue and during fiber development. Our results suggest that some genes in the GhGT47 family might be associated with fiber development and the abiotic stress response, which could promote further research involving functional analysis of GT47 genes in cotton.

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