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Rapid Identification of Pollen- and Anther-Specific Genes in Response to High-Temperature Stress Based on Transcriptome Profiling Analysis in Cotton

文献类型： 外文期刊

作者： Zhang, Rui 1 ; Zhou, Lili 1 ; Li, Yanlong 1 ; Ma, Huanhuan 1 ; Li, Yawei 1 ; Ma, Yizan 1 ; Lv, Rongjie 1 ; Yang, Jing 2 ; Wang, Weiran 2 ; Alifu, Aierxi 2 ; Zhang, Xianlong 1 ; Kong, Jie 2 ; Min, Ling 1 ;

作者机构： 1.Huazhong Agr Univ, Key Lab Crop Genet Improvement, Wuhan 430070, Peoples R China

2.Xinjiang Acad Agr Sci, Inst Econ Crops, Urumqi 830091, Peoples R China

关键词： Gossypium hirsutum; high-temperature stress; male-sterility; pollen-specific genes

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：6.208； 五年影响因子：6.628 ）

ISSN：

年卷期： 2022 年 23 卷 6 期

页码：

收录情况： SCI

摘要： Anther indehiscence and pollen sterility caused by high temperature (HT) stress have become a major problem that decreases the yield of cotton. Pollen- and anther-specific genes play a critical role in the process of male reproduction and the response to HT stress. In order to identify pollen-specific genes that respond to HT stress, a comparative transcriptome profiling analysis was performed in the pollen and anthers of Gossypium hirsutum HT-sensitive Line H05 against other tissue types under normal temperature (NT) conditions, and the analysis of a differentially expressed gene was conducted in the pollen of H05 under NT and HT conditions. In total, we identified 1111 pollen-specific genes (PSGs), 1066 anther-specific genes (ASGs), and 833 pollen differentially expressed genes (DEGs). Moreover, we found that the late stage of anther included more anther- and pollen-specific genes (APSGs). Stress-related cis-regulatory elements (CREs) and hormone-responsive CREs are enriched in the promoters of APSGs, suggesting that APSGs may respond to HT stress. However, 833 pollen DEGs had only 10 common genes with 1111 PSGs, indicating that PSGs are mainly involved in the processes of pollen development and do not respond to HT stress. Promoters of these 10 common genes are enriched for stress-related CREs and MeJA-responsive CREs, suggesting that these 10 common genes are involved in the process of pollen development while responding to HT stress. This study provides a pathway for rapidly identifying cotton pollen-specific genes that respond to HT stress.

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