数字农科院2.0

Genome-Wide Identification and Preliminary Functional Analysis of BAM (β-Amylase) Gene Family in Upland Cotton

文献类型： 外文期刊

作者： Yanlong Yang;Fenglei Sun;Penglong Wang;Mayila Yusuyin;Wumaierjiang Kuerban;Chengxia Lai;Chunping Li;Jun Ma;Fei Xiao

作者机构：

关键词： fiber development;genome-wide identification;starch metabolism;upland cotton;β-amylase (BAM) gene family

期刊名称： Genes

ISSN： 2073-4425

年卷期： 2023 年 14 卷 11 期

页码：

收录情况： SCIE（2023版）

摘要： The β-amylase (BAM) gene family encodes important enzymes that catalyze the conversion of starch to maltose in various biological processes of plants and play essential roles in regulating the growth and development of multiple plants. So far, BAMs have been extensively studied in Arabidopsis thaliana (A. thaliana). However, the characteristics of the BAM gene family in the crucial economic crop, cotton, have not been reported. In this study, 27 GhBAM genes in the genome of Gossypium hirsutum L (G. hirsutum) were identified by genome-wide identification, and they were divided into three groups according to sequence similarity and phylogenetic relationship. The gene structure, chromosome distribution, and collinearity of all GhBAM genes identified in the genome of G. hirsutum were analyzed. Further sequence alignment of the core domain of glucosyl hydrolase showed that all GhBAM family genes had the glycosyl hydrolase family 14 domain. We identified the BAM gene GhBAM7 and preliminarily investigated its function by transcriptional sequencing analysis, qRT-PCR, and subcellular localization. These results suggested that the GhBAM7 gene may influence fiber strength during fiber development. This systematic analysis provides new insight into the transcriptional characteristics of BAM genes in G. hirsutum. It may lay the foundation for further study of the function of these genes.

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