文献类型： 外文期刊
作者： Zhao, Zhuofan 1 ; Yue, Yujing 1 ; Zhang, Peng 1 ; Liu, Xiaowei 1 ; Yang, Tian 1 ; Liu, Yongming 1 ; Zheng, Yu 1 ; Li, Chu 1 ;
作者机构： 1.Sichuan Agr Univ, Maize Res Inst, Chengdu 611130, Peoples R China
2.State Key Lab Crop Gene Explorat & Utilizat South, Chengdu 611130, Peoples R China
3.Chinese Acad Agr Sci, Inst Urban Agr, Chengdu 610213, Peoples R China
4.Guizhou Aerosp Wisdom Agr Co Ltd, Guiyang 550081, Peoples R China
关键词： Maize; Anther development; MYB transcription factor; Yeast two-hybrid assay; Coexpression
期刊名称：JOURNAL OF PLANT GROWTH REGULATION （ 影响因子：4.169； 五年影响因子：4.038 ）
ISSN： 0721-7595
年卷期：
页码：
收录情况： SCI
摘要： Maize, a monoecious crop, is a model plant for studying the regulation of floral organ development. In a previous study, we found that ZmMYB150 is significantly downregulated in sterile anthers by analyzing transcriptome data of the cytoplasmic male sterility (CMS) line C48-2 and its maintainer line 48-2. To elucidate the functional mechanism of ZmMYB150 in maize reproductive development, we cloned ZmMYB150, and sequence analysis showed it is a typical R2R3-MYB transcription factor (TF). Tissue-specific analysis revealed ZmMYB150 to be specifically highly in anthers. The subcellular localization in tobacco leaves proved that ZmMYB150 is located in the nucleus. Co-expression analysis identified 876 genes that may be coexpressed with ZmMYB150, and sequence alignment analysis showed that the coexpressed genes ZmMYB116 and ZmPIP5K6 are homologous to Arabidopsis male fertility-related genes. Furthermore, a yeast two-hybrid (Y2H) assay revealed that ZmMYB150 interacts with ZmPIP5K6. qRT-PCR analysis showed that ZmMYB150 is specifically highly expressed at the late stage of normal anther development, but no expression during the whole stages of sterile anther development. Tobacco transient expression system was used to confirm that ZmMYB150 can be regulated by miR159e-3p at the translational level. Our results lay a foundation for further understanding of the regulatory mechanism of MYB TFs in maize reproductive development.
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