NF-YB-Mediated Active Responses of Plant Growth under Salt and Temperature Stress in Eucalyptus grandis

被引:13
|
作者
Dai, Jia-Hao [1 ]
Hu, An-Qi [1 ]
Zhang, Jia-Shuo [2 ,3 ]
Liao, Wen-Hai [1 ]
Ma, Hua-Yan [1 ]
Wu, Jin-Zhang [1 ]
Yu, Yuan [4 ,5 ]
Cao, Shi-Jiang [1 ]
机构
[1] Fujian Agr & Forestry Univ, Coll Forestry, Fuzhou 350002, Peoples R China
[2] Chinese Acad Sci, Inst Bot, CAS Ctr Excellence Mol Plant Sci, Key Lab Plant Mol Physiol, Beijing 100093, Peoples R China
[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[4] Fujian Agr & Forestry Univ, Haixia Inst Sci & Technol, FAFU UCR Joint Ctr Hort Biol & Metabol, Fuzhou 350002, Peoples R China
[5] Fujian Agr & Forestry Univ, Coll Hort, Fuzhou 350002, Peoples R China
来源
PLANTS-BASEL | 2021年 / 10卷 / 06期
关键词
NF-YB gene family; Eucalyptus grandis; expression profiles; transcription factor; stress responses; NUCLEAR-FACTOR-Y; ARABIDOPSIS LEAFY COTYLEDON1; TRANSCRIPTION FACTORS; GENE-EXPRESSION; BINDING; GENOME; SUBUNITS; IDENTIFICATION; DROUGHT; NF-YB3;
D O I
10.3390/plants10061107
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
The transcription factor NF-YB (nuclear factor-YB) family is a subfamily of the nuclear factor Y (NF-Y), which plays an important role in regulating plant growth, development and participates in various stress responses. Although the NF-Y family has been studied in many species, it is still obscure in Eucalyptus grandis. In this study, 23 EgNF-YB genes in eucalyptus were identified and unevenly distributed on 11 chromosomes. Phylogenetic analysis showed the EgNF-YB genes were divided into two clades, LEC-1 type and non-LEC1 type. The evolution of distinct clades was relatively conservative, the gene structures were analogous, and the differences of genetic structures among clades were small. The expression profiles showed that the distinct EgNF-YB genes were highly expressed in diverse tissues, and EgNF-YB4/6/13/19/23 functioned in response to salinity, heat and cold stresses. Our study characterized the phylogenetic relationship, gene structures and expression patterns of EgNF-YB gene family and investigated their potential roles in abiotic stress responses, which provides solid foundations for further functional analysis of NF-YB genes in eucalyptus.
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页数:15
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