Genome-wide characterization of trichome birefringence-like genes provides insights into fiber yield improvement

文献类型： 外文期刊

第一作者： Li, Ziyin

作者： Li, Ziyin;Xiao, Xianghui;Song, Jikun;Gong, Juwu;Chen, Quanjia;Yuan, Youlu;Li, Ziyin;Li, Pengtao;Zhang, Haibo;Peng, Renhai;Lu, Quanwei;Li, Ziyin;Shi, Yuzhen;Xiao, Xianghui;Song, Jikun;Li, Pengtao;Gong, Juwu;Gong, Wankui;Liu, Aiying;Shang, Haihong;Ge, Qun;Li, Junwen;Pan, Jingtao;Lu, Quanwei;Yuan, Youlu

作者机构：

关键词： cotton; TBL; expression pattern; lint percentage; WGCNA

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 14 卷

页码：

收录情况： SCI

摘要： Cotton is an important fiber crop. The cotton fiber is an extremely long trichome that develops from the epidermis of an ovule. The trichome is a general and multi-function plant organ, and trichome birefringence-like (TBL) genes are related to trichome development. At the genome-wide scale, we identified TBLs in four cotton species, comprising two cultivated tetraploids (Gossypium hirsutum and G. barbadense) and two ancestral diploids (G. arboreum and G. raimondii). Phylogenetic analysis showed that the TBL genes clustered into six groups. We focused on GH_D02G1759 in group IV because it was located in a lint percentage-related quantitative trait locus. In addition, we used transcriptome profiling to characterize the role of TBLs in group IV in fiber development. The overexpression of GH_D02G1759 in Arabidopsis thaliana resulted in more trichomes on the stems, thereby confirming its function in fiber development. Moreover, the potential interaction network was constructed based on the co-expression network, and it was found that GH_D02G1759 may interact with several genes to regulate fiber development. These findings expand our knowledge of TBL family members and provide new insights for cotton molecular breeding.

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