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Genome-wide identification and analysis of the COI gene family in wheat (Triticum aestivum L.)

文献类型： 外文期刊

作者： Bai, Jian-fang 1 ; Wang, Yu-kun 1 ; Wang, Peng 1 ; Yuan, Shao-hua 1 ; Gao, Jian-gang 1 ; Duan, Wen-jing 1 ; Wang, Na 1 ;

作者机构： 1.Beijing Acad Agr & Forestry, Beijing Engn & Tech Res Ctr Hybrid Wheat, Beijing 100097, Peoples R China

2.Municipal Key Lab Mol Genet Hybrid Wheat, Beijing 10097, Peoples R China

3.Nara Inst Sci & Technol, 8916-5 Takayama, Nara 6300192, Japan

关键词： Triticum aestivum L; COI; Gene family; JA signaling; Male sterile; Quantitative real-time PCR

期刊名称：BMC GENOMICS （ 影响因子：3.969； 五年影响因子：4.478 ）

ISSN： 1471-2164

年卷期： 2018 年 19 卷

页码：

收录情况： SCI

摘要： BackgroundCOI (CORONATINE INSENSITIVE), an F-box component of the Skp1-Cullin-F-box protein (SCFCOI1) ubiquitin E3 ligase, plays important roles in the regulation of plant growth and development. Recent studies have shown that COIs are involved in pollen fertility. In this study, we identified and characterized COI genes in the wheat genome and analyzed expression patterns under abiotic stress.ResultsA total of 18 COI candidate sequences for 8 members of COI gene family were isolated in wheat (Triticum aestivum L.). Phylogenetic and structural analyses showed that these COI genes could be divided into seven distinct subfamilies. The COI genes showed high expression in stamens and glumes. The qRT-PCR results revealed that wheat COIs were involved in several abiotic stress responses and anther/glume dehiscence in the photoperiod-temperature sensitive genic male sterile (PTGMS) wheat line BS366.ConclusionsThe structural characteristics and expression patterns of the COI gene family in wheat as well as the stress-responsive and differential tissue-specific expression profiles of each TaCOI gene were examined in PTGMS wheat line BS366. In addition, we examined SA- and MeJA-induced gene expression in the wheat anther and glume to investigate the role of COI in the JA signaling pathway, involved in the regulation of abnormal anther dehiscence in the PTGMS wheat line. The results of this study contribute novel and detailed information about the TaCOI gene family in wheat and could be used as a benchmark for future studies of the molecular mechanisms of PTGMS in other crops.

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