Genome Wide Identification, Expression Profiles and Regulatory Network Analysis of SOS Group of Genes in Camellia Sinensis

文献类型： 外文期刊

第一作者： Li, Wang

作者： Li, Wang;Lin, Chen;Shen, Guoxin;Bhattacharjee, Surjit;Mishra, Neelam

作者机构：

关键词： C. sinensis; SOS; Cis-acting elements; Expression pattern; Abiotic stress

期刊名称：TROPICAL PLANT BIOLOGY （ 影响因子：1.4； 五年影响因子：1.7 ）

ISSN： 1935-9756

年卷期： 2025 年 18 卷 1 期

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收录情况： SCI

摘要： Abiotic stress in plants severely affects crop production, with salt stress being one of the most significant causes for reduced crop yield. The salt stress tolerance in plants is controlled and regulated by several pathways of which the salt overly sensitive (SOS) pathway is the highly explored one. The SOS group of genes and their signaling pathway has been well characterized in Arabidopsis thaliana, however, SOS group of genes in Camellia sinensis is yet to be explored. The present study identifies 9 SOS genes in C. sinensis and analyses of their phylogenetic (evolutionary) and structural connections. The phylogenetic tree was further classified into 6 distinct clades and similar number of introns and exons were obtained for the genes belonging to the same clade. The domain analysis showed distinct clade specific domains. Cis-acting element analysis revealed that the promoter region of CsSOS contains various cis-acting elements associated with hormone regulation and abiotic stress responses. Furthermore, in-silico gene expression studies indicated that these genes were crucial in the plant's response towards both abiotic and biotic stresses. The real time PCR also confirmed the potential roles of various SOS genes in response to abiotic stress and hormone treatments. The findings of this study along with the functional analyses will help in better comprehension of the SOS regulatory network in C. sinensis that will enhance our understanding in improvement of salt stress tolerance in C. sinensis.

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