Genome-Wide Characterization of Nuclear Factor Y (NF-Y) Transcription Factors Gene Family in Cabbage (Brassica oleracea var. capitata L.) Uncovers Their Critical Roles in Salt Stress Tolerance
Xinyu Zhao, Yiliao Feng, Yuankang Wu, Wenjing Ren, Xuehui Yao, Limei Yang, Mu Zhuang, Honghao Lv, Yong Wang, Jialei Ji, Jianghua Song, Yangyong Zhang
TL;DR
This study identifies and characterizes the NF-Y gene family in cabbage, revealing their roles in salt stress tolerance.
Contribution
The first genome-wide analysis of NF-Y transcription factors in cabbage, identifying salt-responsive genes and their potential roles in stress adaptation.
Findings
53 BoNF-Y genes were identified and classified into three subfamilies in cabbage.
Three salt-responsive BoNF-Y genes (BoNF-YA14, BoNF-YB9, and BoNF-YC8) were identified under salt stress.
Promoter analysis revealed stress- and hormone-responsive cis-elements in BoNF-Y genes.
Abstract
Nuclear Factor Y (NF-Y) transcription factors play pivotal roles in plant adaptation to abiotic stress, yet their genomic landscape and functional mechanisms in cabbage (Brassica oleracea var. capitata L.) remain underexplored. Here, we performed a genome-wide identification of the NF-Ys in cabbage, identifying 53 BoNF-Ys classified into three subfamilies: 20 BoNF-YAs, 22 BoNF-YBs, and 11 BoNF-YCs. Phylogenetic clustering revealed evolutionary conservation with their Arabidopsis orthologs. Domain analysis revealed that all BoNF-YA members contain the CBF_NF-YA domain, while all BoNF-YB and BoNF-YC members possess the CBFD_NFYB_HMF conserved domain. The BoNF-Y genes were named according to their chromosomal locations. Bioinformatic analysis showed that BoNF-Y proteins range in size from 131 to 642 amino acids, with molecular weights of 14.82–73.18 kDa, theoretical pI values of 4.57–9.96,…
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Taxonomy
TopicsPlant Molecular Biology Research · Plant Stress Responses and Tolerance · NF-κB Signaling Pathways