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Evolutionary Analysis of the Melon (Cucumis melo L.) GH3 Gene Family and Identification of GH3 Genes Related to Fruit Growth and Development

文献类型： 外文期刊

作者： Chen, Sheng 1 ; Zhong, Kaiqin 2 ; Li, Yongyu 3 ; Bai, Changhui 4 ; Xue, Zhuzheng 4 ; Wu, Yufen 1 ;

作者机构： 1.Fujian Acad Agr Sci, Agr Bioresources Res Inst, Fuzhou 350003, Peoples R China

2.Fuzhou Inst Vegetable Sci, Fuzhou 350018, Peoples R China

3.Fujian Agr & Forestry Univ, Coll Hort, Fuzhou 350002, Peoples R China

4.Fujian Acad Agr Sci, Crops Res Inst, Fuzhou 350013, Peoples R China

关键词： evolutionary analysis; expression analysis; fruit development; GH3 gene family; melon

期刊名称：PLANTS-BASEL （ 影响因子：4.5； 五年影响因子：4.8 ）

ISSN：

年卷期： 2023 年 12 卷 6 期

页码：

收录情况： SCI

摘要： The indole-3-acetic acid (IAA) auxin is an important endogenous hormone that plays a key role in the regulation of plant growth and development. In recent years, with the progression of auxin-related research, the function of the Gretchen Hagen 3 (GH3) gene has become a prominent research topic. However, studies focusing on the characteristics and functions of melon GH3 family genes are still lacking. This study presents a systematic identification of melon GH3 gene family members based on genomic data. The evolution of melon GH3 family genes was systematically analyzed by means of bioinformatics, and the expression patterns of the GH3 family genes in different melon tissues during different fruit developmental stages and with various levels of 1-naphthaleneacetic acid (NAA) induction were analyzed with transcriptomics and RT-qPCR. The melon genome contains 10 GH3 genes distributed across seven chromosomes, and most of these genes are expressed in the plasma membrane. According to evolutionary analysis and the number of GH3 family genes, these genes can be divided into three subgroups, and they have been conserved throughout the evolution of melon. The melon GH3 gene has a wide range of expression patterns across distinct tissue types, with expression generally being higher in flowers and fruit. Through promoter analysis, we found that most cis-acting elements contained light- and IAA-responsive elements. Based on the RNA-seq and RT-qPCR analyses, it can be speculated that CmGH3-5, CmGH3-6 and CmGH3-7 may be involved in the process of melon fruit development. In conclusion, our findings suggest that the GH3 gene family plays an important role in the development of melon fruit. This study provides an important theoretical basis for further research on the function of the GH3 gene family and the molecular mechanism underlying the development of melon fruit.

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