Analysis of Wheat Pollen Ole E I Proteins Reveals Potential Roles in Fertility and Stress Adaptation
文献类型： 外文期刊
作者： Zuo, Jinghong 1 ; Jia, Yanfeng 1 ; Wang, Weiwei 1 ; Guo, Chunman 1 ; Fang, Zhaofeng 1 ; Zhang, Yujuan 1 ; Fu, Jinzhou 1 ; Zhao, Sijia 1 ; Zhao, Changping 1 ; Wang, Dezhou 1 ; Yang, Guohang 1 ; Tang, Yimiao 1 ;
作者机构： 1.Beijing Acad Agr & Forestry Sci, Inst Hybrid Wheat, Beijing 100097, Peoples R China
2.Municipal Key Lab Mol Genet Hybrid Wheat, Beijing 100097, Peoples R China
3.Yangtze Univ, Agr Coll, Jingzhou 434023, Peoples R China
关键词：
abiotic stresses; anther development; expression pattern; Pollen
期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：4.9； 五年影响因子：5.7 ）
ISSN： 1661-6596
年卷期： 2025 年 26 卷 16 期
页码：
收录情况： SCI
摘要： Abiotic stresses increasingly threaten wheat (Triticum aestivum L.) productivity by impairing pollen development and fertilization, yet the molecular regulators that coordinate reproductive success with environmental resilience remain underexplored. Here, we present a comprehensive genome-wide analysis of the Pollen Olea europaea I (POEI) protein family in common wheat. A total of 104 TaPOEI genes were identified and classified into six phylogenetic clades, each sharing conserved exon-intron structures and key protein motifs. Promoter analysis revealed abundant cis-elements associated with phytohormone signaling and abiotic stress responses. Notably, TaPOEI 16-A was preferentially expressed in anthers, showing high expression during early anther development and responding to both high- and low-temperature stresses. Pairwise comparison between thermosensitive genic male-sterile wheat lines and fertile lines suggests a potential role for TaPOEI 16-A in regulating male fertility in response to temperature fluctuations. Our comprehensive analysis establishes a foundation for future functional studies of the TaPOEI family and provides insights into wheat fertility and stress resilience enhancement.
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