Transcriptome Profiling Reveals Molecular Changes during Flower Development between Male Sterile and Fertile Chinese Cabbage (Brassica rapa ssp. pekinensis) Lines
文献类型： 外文期刊
作者： Hu, Jingfeng 1 ; Lan, Mei 1 ; Xu, Xuezhong 1 ; Yang, Hongli 1 ; Zhang, Liqin 1 ; Lv, Fengxian 2 ; Yang, Huiju 4 ; Yang, D 1 ;
作者机构： 1.Natl Vegetable Improvement Ctr, Yunnan Branch, Yunnan Acad Agr Sci, Inst Hort Crops, Kunming 650205, Yunnan, Peoples R China
2.Yunnan Univ, State Key Lab Conservat & Utilizat Bioresources Y, Kunming 650091, Yunnan, Peoples R China
3.Yunnan Univ, Sch Life Sci, Kunming 650091, Yunnan, Peoples R China
4.Lijiang Teachers Coll, Lijiang 674100, Peoples R China
关键词： Chinese cabbage; gene expression; male sterility; pollen development; plant hormone pathway
期刊名称：LIFE-BASEL （ 影响因子：3.817； ）
ISSN：
年卷期： 2021 年 11 卷 6 期
页码：
收录情况： SCI
摘要： Male sterility exists widely in flowering plants and is used as a fascinating tool by breeders for creating hybrid varieties. Herein, stamen samples from male sterile CCR20000 and male fertile CCR20001 lines during two developmental stages were employed to elucidate the molecular changes during flower development in fertile and sterile Chinese cabbage lines. RNA-seq revealed weak transcriptional activity in the sterile line, which may have led to the abnormal stamen development. The differentially expressed genes were enriched in plant hormone, carbon metabolism, and biosynthesis of amino acid pathways. Important genes with opposite patterns of regulation between the two lines have been associated with the male sterility trait. Members of the transcription factor families such as AP2, MYB, bHLH, and WRKY were highly active in the regulation of structural genes involved in pollen fertility. This study generated important genomic information to support the exploitation of the male sterility trait in Chinese cabbage breeding programs.
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