Genome-Wide Analysis of the Heat Shock Transcription Factor Gene Family in Brassica juncea: Structure, Evolution, and Expression Profiles | Zendy

Mengyao Li | Zendy; Fangjie Xie | Zendy; Yanwen Li | Zendy; Li Gong | Zendy; Ya Luo | Zendy; Yong Zhang | Zendy; Qing Chen | Zendy; Yan Wang | Zendy; Yuanxiu Lin | Zendy; Yunting Zhang | Zendy; Xiaorong Wang | Zendy; Haoru Tang | Zendy

Open Access

Genome-Wide Analysis of the Heat Shock Transcription Factor Gene Family in Brassica juncea: Structure, Evolution, and Expression Profiles

Author(s) -

Mengyao Li,

Fangjie Xie,

Yanwen Li,

Li Gong,

Ya Luo,

Yong Zhang,

Qing Chen,

Yan Wang,

Yuanxiu Lin,

Yunting Zhang,

Xiaorong Wang,

Haoru Tang

Publication year - 2020

Publication title -

dna and cell biology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.895

H-Index - 77

eISSN - 1557-7430

pISSN - 1044-5498

DOI - 10.1089/dna.2020.5922

Subject(s) - biology , gene , genetics , heat shock factor , transcription factor , genome , gene family , brassica , brassica rapa , gene expression , heat shock protein , botany , hsp70

Heat shock transcription factor (HSF) is ubiquitous in the whole biological world and plays an important role in regulating growth and development and responses to environment stress. In this study, a total of 60 HSF transcription factors in Brassica juncea genome were identified and analyzed. Phylogenetic analysis showed that HSF genes were divided into three groups namely: A, B, and C, of which group A was further divided into nine subgroups (A1-A9). The analysis of gene structure and conserved motifs showed that some homologous genes are highly conserved. There was strong conservative microcollinearity among Brassica rapa , B. juncea , and Brassica oleracea , which provides a basis for studying the replication of gene families. Moreover, the results revealed that the promoter regions of BjuHSF genes were rich in cis -elements related to growth and development, hormone signal, and stress response. The prediction of protein interaction results showed that HSFs could interact with multiple transcription factors and proteins in the genome, while functional annotation revealed tha BjuHSF genes were involved in many biological processes. The expression patterns of BjuHSF genes were analyzed by qPCR, and the results showed that these genes were closely linked to stress response, hormones, and development process. These results are a foundation for further analysis of the regulation mechanism of HSF gene family.

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