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Genome-wide identification of the PYL gene family of tea plants (Camellia sinensis) revealed its expression profiles under different stress and tissues

文献类型： 外文期刊

作者： An, Yanlin 1 ; Mi, Xiaozeng 2 ; Xia, Xiaobo 3 ; Qiao, Dahe 2 ; Yu, Shirui 1 ; Zheng, Huayan 1 ; Jing, Tingting 4 ; Zhang, Feng 1 ;

作者机构： 1.Moutai Inst, Dept Food Sci & Engn, Luban St, Renhuai 564502, Guizhou, Peoples R China

2.Guizhou Acad Agr Sci, Tea Res Inst, 1 Jinxin Community, Guiyang 550025, Guizhou, Peoples R China

3.Nanjing Agr Univ, Coll Plant Protect, Nanjing 210095, Peoples R China

4.Anhui Agr Univ, State Key Lab Tea Plant Biol & Utilizat, 130 Changjiang West Rd, Hefei, Peoples R China

关键词： PYL gene family; Tea plant; Gene expression; Stress; Tissue

期刊名称：BMC GENOMICS （ 影响因子：4.4； 五年影响因子：4.7 ）

ISSN： 1471-2164

年卷期： 2023 年 24 卷 1 期

页码：

收录情况： SCI

摘要： BackgroundPYL (Pyrabactin resistance 1-like) protein is a receptor of abscisic acid (ABA), which plays an important role in ABA signaling and influences plant growth and development and stress response. However, studies on PYL gene family in tea plants have not been reported.ResultsIn this study, we identified 20 PYL genes from the reference genome of tea plant ('Shuchazao'). Phylogeny analysis indicated that PYLs from tea and other plant species were clustered into seven groups. The promoter region of PYL genes contains a large number of cis-elements related to hormones and stresses. A large number of PYL genes responding to stress were found by analyzing the expression levels of abiotic stress and biotic stress transcriptome data. For example, CSS0047272.1 were up-regulated by drought stress, and CSS0027597.1 could respond to both anthracnose disease and geometrid feeding treatments. In addition, 10 PYL genes related to growth and development were verified by RT-qPCR and their tissue expression characteristics were revealed.ConclusionsOur results provided a comprehensive characteristic of the PYL gene family in tea plants and provided an important clue for further exploring its functions in the growth and development, and resistance to stress of tea plants.

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