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水稻OsCYP22互作蛋白的筛选及验证

张小芳1,2,朱琪1,2,华芸堰1,2,贾黎惠莹1,2,邱士优1,陈宇杰1,马涛1,*,丁沃娜1,*   

  1. 1宁波大学科学技术学院 / 宁波市农业种质资源挖掘与环境调控重点实验室, 浙江宁波 315300; 2 宁波大学海洋学院, 浙江宁波 315211
  • 收稿日期:2023-09-27 修回日期:2024-01-31 接受日期:2024-01-31 网络出版日期:2024-02-21
  • 基金资助:
    本研究由国家自然科学基金项目(32071981)和宁波市自然科学基金项目(202003N4016)资助。

Screening and validation of OsCYP22 interacting proteins in rice

ZHANG Xiao-Fang1,2,ZHU Qi1,2,HUA Yun-Yan1,2,JIA Li-Hui-Ying1,2,QIU Shi-You1,CHEN Yu-Jie1,MA Tao1,*,DING Wo-Na1,*   

  1. 1 College of Science and Technology / Ningbo Key Laboratory of Agricultural Germplasm Resources Mining and Environmental Regulation, Ningbo University, Ningbo 315300, Zhejiang, China; 2 School of Marine Science, Ningbo University, Ningbo 315211, Zhejiang, China 
  • Received:2023-09-27 Revised:2024-01-31 Accepted:2024-01-31 Published online:2024-02-21
  • Supported by:
    This study was supported by the National Natural Science Foundation of China (32071981) and the Ningbo Natural Science Foundation (202003N4016).

摘要:

为了探究水稻亲环素家族基因OsCYP22的功能,构建OsCYP22酵母双杂交诱饵载体,并利用水稻酵母双杂交cDNA文库筛选与OsCYP22相互作用蛋白。自激活实验结果表明,OsCYP22诱饵载体无自激活活性,也对酵母细胞无毒性。通过对酵母双杂交文库的筛选,共得38个阳性菌落,结合测序结果和生物信息学的方法筛选到20个可能与OsCYP22相互作用的蛋白。进一步对OsCYP22分别与调控植物根系生长相关基因OsCSN5OsRUB1全长互作验证,结果显示OsCSN5OsCYP22在酵母中相互作用。这为深入研究OsCYP22的生物学功能提供了理论依据。

关键词: 水稻, OsCYP22, 酵母双杂交, 互作蛋白

Abstract:

In order to understand the function of cyclophilin family OsCYP22 from Oryza sativa L., the yeast two hybrid bait vector of OsCYP22 was constructed and proteins interacting with OsCYP22 were screened by yeast two hybrid. The results showed that noself-activating activity and toxicity of OsCYP22 bait vector to yeast cells were detected., among which 38 positive colonies were obtained by yeast two hybrid screening. Combining sequencing analysis and bioinformatics methods, 20 candidates that may interact with OsCYP22 were screened. Further validation of the full-length interactions between OsCYP22 and OsCSN5 and OsRUB1 related to the regulation of plant root growth was conducted. The results showed that OsCSN5 interacted with OsCYP22 in yeast. This study provides a theoretical basis for further study of the biological function of OsCYP22.

Key words: rice, OsCYP22, Yeast two-hybird, interaction protein

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