Comprehensive identification of polygalacturonases in cotton: Genomic analysis, potential regulatory mechanisms and expression patterns in anthers

文献类型： 外文期刊

第一作者： Li, Zhanshuai

作者： Li, Zhanshuai;Wang, Huiying;Kuang, Meng;Peng, Jun;Li, Zhanshuai;Liu, Yongming;Liu, Wenqian;Zhang, Huiyuan;Peng, Jun;Li, Zhanshuai;Liu, Yongming;Liu, Wenqian;Zhang, Huiyuan;Peng, Jun;Cao, Xiaocong

作者机构：

关键词： Cotton; Polygalacturonase; Transcriptional level; Anther; Co -expression

期刊名称：INDUSTRIAL CROPS AND PRODUCTS （ 影响因子：5.9； 五年影响因子：6.0 ）

ISSN： 0926-6690

年卷期： 2023 年 200 卷

页码：

收录情况： SCI

摘要： Polygalacturonases (PGs) are important plant cell wall degrading enzymes that catalyze pectin hydrolysis and are essential during almost all stages of plant development. However, the functional properties of cotton PGs, especially their expression patterns during reproductive organ development, remain elusive. Herein, the systematic and comprehensive identification and analysis of cotton PGs were conducted. The identified PGs were divided into six groups with conserved gene structures and motifs. The purifying selection was their primary evolutionary force. Meanwhile, cis-elements, TFs, and miRNAs related to stress and tissue-specific development, especially anther development, were identified. Transcriptome and qRT-PCR analysis revealed that many GhPGs were expressed in response to environmental stress. They also exhibited tissue specificity, especially at various stages of anther development. Many genes involved in anther development were co-expressed with GhPGs. This study provides valuable information and novel insights for further exploring the function of cotton PGs and their implementation in cotton improvement.

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