数字农科院2.0

Identification and response to abiotic stress of the alfalfa serine carboxypeptidase-like protein gene family

文献类型： 外文期刊

作者： Zhu, He;Liu, Hao;Liu, Qingsong;Wu, Yajing;Xu, Yanchao;Qu, Xinyue;Chen, Yaqi;Yang, Qingchuan;Long, Ruicai

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期刊名称： GRASS RESEARCH

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年卷期： 2025 年 5 卷

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收录情况： ESCI（2025版）

摘要： A class of acyltransferase enzymes known as serine carboxypeptidase-like (SCPL) proteins play a pivotal role in plant growth, development, and responses to stress. While SCPL proteins have been extensively studied in various plants, their biological functions in alfalfa remain largely unexplored. In this study, 39 SCPL gene family members were identified in alfalfa and classified into three subgroups (Groups I-III). Their chromosomal structure and homology were also analyzed. Gene transcription levels were analyzed, revealing that six genes were expressed in a few specific tissues, while the remaining 33 MsSCPL were expressed throughout the tissues. Additionally, analysis of cis-acting elements revealed that the SCPL gene family contains components linked to abiotic stress. Meanwhile, transcriptome analysis revealed that 11, 16, and 14 members of MsSCPL gene family were found to respond to three stresses, respectively (cold, salt, and drought), in addition to MsSCPL31/35, which responded to all stresses at the same time. The transcriptome results were further validated by RT-qPCR. This highlights the role of MsSCPL31/35 in abiotic stress response, suggesting their importance for plant adaptation mechanism. These results could be crucial for understanding the mechanisms behind alfalfa SCPL gene function.

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