Genome-Wide Identification and Expression Profile Analysis of the NF-Y Transcription Factor Gene Family in Eucalyptus grandis

被引：0
作者：
Li, Juan [1 ,2 ]
Gong, Chaoyan [3 ]
Zhuang, Li [1 ]
Li, Guangyou [2 ]
Xu, Jianmin [2 ]
Lu, Zhaohua [2 ]
机构：
[1] Shanxi Normal Univ, Coll Life Sci, Taiyuan 030031, Peoples R China
[2] Chinese Acad Forestry, Res Inst Trop Forestry, Guangzhou 510520, Peoples R China
[3] Shanxi Univ Chinese Med, Lab Management Ctr, Taiyuan 030031, Peoples R China
来源：
FORESTS | 2025年 / 16卷 / 02期
基金：
中国国家自然科学基金;
关键词：
NF-Y; <italic>Eucalyptus grandis</italic>; bioinformatics analysis; expression patterns analysis; P stress; DROUGHT;
D O I：
10.3390/f16020361
中图分类号：
S7 [林业];
学科分类号：
0829 ; 0907 ;
摘要：
The nuclear factor Y (NF-Y) transcription factor family identified in plant organisms consists of NF-YA, NF-YB, and NF-YC subunits, known for their pivotal role in regulating plant growth, development, and responses to environmental stress. Despite extensive studies on the NF-Y gene family across various species, the understanding of the NF-Y gene family in Eucalyptus is incomplete. This study aimed to identify 31 EgrNF-Y genes (7 EgrNF-YA, 16 EgrNF-YB, and 8 EgrNF-YC) in Eucalyptus grandis, all displaying conserved core regions. The chromosome distribution analysis showed that these genes were unevenly distributed on 11 chromosomes. The protein interaction analysis revealed EgrNF-YA1/A4/A6 as central within the EgrNF-Y protein network, interacting extensively with other EgrNF-Y proteins. Prediction of promoter cis-elements suggested that the expression of EgrNF-Y genes may be affected by various hormonal and abiotic stresses. Tissue-specific expression patterns indicated the widespread presence of all 30 EgrNF-Y genes across different tissues. EgrNF-YB1 and EgrNF-YB11 are implicated in regulating E. grandis flowering, whereas the upregulated expression of EgrNF-YB6/B11/B13 under phosphorus deficiency is involved in phosphorus absorption and utilization. This study lays a foundation for further understanding of the evolutionary diversity of the NF-Y gene family and serves as a reference for future studies in woody plants.
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页数：17
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