Genome-wide Identification of the Upland Cotton (Gossypium hirsutum L.) B-BOX gene Family and its Expression After Drought Stress
文献类型： 外文期刊
作者： Sun, Fenglei 1 ; Ma, Jun 3 ; Wang, Penglong 4 ; Yang, Yanlong 3 ;
作者机构： 1.Chinese Acad Agr Sci, Inst Cotton Res, State Key Lab Cotton Biol, Anyang 455000, Peoples R China
2.Hainan Yazhou Bay Seed Lab, Sanya 572000, Hainan, Peoples R China
3.Xinjiang Acad Agr Sci, Res Inst Econ Crops, Urumqi 830091, Peoples R China
4.Xinjiang Acad Agr Sci, Kuqa Cty Upland Cotton Test Stn, Kuqa 842000, Xinjiang, Peoples R China
关键词： B-BOX gene; Upland cotton; Gene expression; Drought resistance; qRT-PCR
期刊名称：JOURNAL OF PLANT GROWTH REGULATION （ 影响因子：4.8； 五年影响因子：4.8 ）
ISSN： 0721-7595
年卷期： 2023 年
页码：
收录情况： SCI
摘要： The growth and development of cotton are seriously affected by drought stress, and transcription factors can regulate the growth, development and stress tolerance of plants. B-BOX (BBX) proteins are a class of zinc finger transcription factors that play key roles in plant development. However, the BBX gene has not been systematically analyzed in cotton. This study systematically identified and analyzed 127 upland cotton BBX (GhBBX) genes. The phylogenetic analysis divided GhBBX genes into five groups, and the structures of the GhBBX genes of each group were basically similar. Many cis-acting elements related to plant stress or the stress response were predicted and analyzed in the promoter of the GhBBX gene. Transcriptome data and qRT-PCR transcriptional analysis showed that the GhBBX gene was differentially expressed in plant materials subjected to drought stress. The expression levels of five BBX genes in the variety Xinluzhong 39 (drought resistance) were higher than those in the variety Xinluzao 26 (drought sensitive). This study provides a theoretical basis for further study of the BBX gene in upland cotton drought resistance research through the systematic analysis of upland cotton BBX gene, which is helpful to cultivate upland cotton with strong drought resistance.
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