Rapid and dynamic detection of endogenous proteins through in locus tagging in rice

文献类型： 外文期刊

第一作者： Tian, Yifu

作者： Tian, Yifu;Zhong, Dating;Li, Kai;Yao, Qi;Lu, Yuming;Tian, Yifu;Shen, Rundong;Li, Xinbo;Zhu, Jian-Kang;Tian, Yifu;Shen, Rundong;Li, Xinbo;Zhu, Jian-Kang;Zhong, Dating;Tan, Xinhang;Yao, Qi;Zhang, Xuening;Zhu, Chen;Cao, Xuesong;Wang, Pengcheng;Zhu, Jian-Kang;Zhu, Chen;Cao, Xuesong;Wang, Pengcheng;Zhu, Jian-Kang;Tian, Yifu;Shen, Rundong;Li, Xinbo

作者机构：

期刊名称：PLANT COMMUNICATIONS （ 影响因子：11.6； 五年影响因子：11.8 ）

ISSN： 2590-3462

年卷期： 2024 年 5 卷 11 期

页码：

收录情况： SCI

摘要： Understanding the behavior of endogenous proteins is crucial for functional genomics, yet their dynamic characterization in plants presents substantial challenges. Whereas mammalian studies have leveraged in locus tagging with the luminescent HiBiT peptide and genome editing for rapid quantification of native proteins, this approach remains unexplored in plants. Here, we introduce the in locus HiBiT tagging of rice proteins and demonstrate its feasibility in plants. We found that although traditional HiBiT blotting works in rice, it failed to detect two of the three tagged proteins, a result attributable to low luminescence activity in plants. To overcome this limitation, we engaged in extensive optimization, culminating in a new luciferin substrate coupled with a refined reaction protocol that enhanced luminescence up to 6.9 fold. This innovation led to the development of TagBIT (tagging with HiBiT), a robust method for high-sensitivity protein characterization in plants. Our application of TagBIT to seven rice genes illustrates its versatility on endogenous proteins, enabling antibody-free protein blotting, real-time protein quantification via luminescence, in situ visualization using a cross-breeding strategy, and effective immunoprecipitation for analysis of protein interactions. The heritable nature of this system, confirmed across T1 to T3 generations, positions TagBIT as a powerful tool for protein study in plant biology.

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