Comparative Transcriptome Analysis of Gossypium hirsutum Mutant (xin w 139) and Wild-Type (Xin W 139) Plants During Seed Embryo Development
文献类型： 外文期刊
作者： Zhao, Jieyin 1 ; Li, Chunping 1 ; Yang, Yanlong 1 ; Ma, Jun 1 ; Lai, Chengxia 1 ; Maimaiti, Paerhati 3 ; Tian, Liwen 1 ;
作者机构： 1.Xinjiang Acad Agr Sci, Inst Cash Crops, Urumqi 830091, Peoples R China
2.Xinjiang Agr Univ, Coll Agr, 311 Nongda East Rd, Urumqi 830052, Peoples R China
3.China Natl Cotton R&D Ctr, Urumqi 830091, Peoples R China
关键词：
期刊名称：GENES （ 影响因子：2.8； 五年影响因子：3.2 ）
ISSN：
年卷期： 2024 年 15 卷 11 期
页码：
收录情况： SCI
摘要： Background: Cotton seeds are the main byproduct of cotton crops. The phenomenon of plants failing to develop mature and full seeds is called seed embryo abortion, which leads to a decrease in seed yield and potentially causes economic losses. Methods: We report a phenotypic evaluation of seed embryos from G. hirsutum mutant (xin w 139) and wild-type (Xin W 139) lines and a comparative RNA-seq study at four developmental stages. Results: The field results from two years showed that the sterility rate and malformation rate of xin w 139 were significantly lower than those of Xin W 139, and the RNA-seq data revealed that the differences in the development of the seed embryos of the two lines mainly occurred after 20 days post anthesis (DPA). Differential analysis revealed a total of 29,151 differentially expressed genes (DEGs), including 2696 transcription factors (TFs), between the two lines, in which the fatty acid and glucose metabolism-related pathways were significantly enriched. These DEGs were divided into 8 clusters, with the Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways of each cluster being annotated. Furthermore, a gene regulatory network was built using weighted correlation network analysis (WGCNA), revealing 9 key genes that play crucial roles in shaping the developmental disparities of seed embryos between the two lines, among which 3 are TFs. Conclusions: These findings offer a foundational framework for comprehending the molecular mechanisms underlying cottonseed embryo development, as well as presenting novel genetic reservoirs for further investigations into cottonseed embryo development.
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