NDLI: Genome-wide identification and expression analysis of the bHLH transcription factor family and its response to abiotic stress in sorghum [Sorghum bicolor (L.) Moench]

Content Provider	Springer Nature : BioMed Central
Author	Fan, Yu Yang, Hao Lai, Dili He, Ailing Xue, Guoxing Feng, Liang Chen, Long Cheng, Xiao-bin Ruan, Jingjun Yan, Jun Cheng, Jianping
Abstract	Background Basic helix-loop-helix (bHLH) is a superfamily of transcription factors that is widely found in plants and animals, and is the second largest transcription factor family in eukaryotes after MYB. They have been shown to be important regulatory components in tissue development and many different biological processes. However, no systemic analysis of the bHLH transcription factor family has yet been reported in Sorghum bicolor. Results We conducted the first genome-wide analysis of the bHLH transcription factor family of Sorghum bicolor and identified 174 SbbHLH genes. Phylogenetic analysis of SbbHLH proteins and 158 Arabidopsis thaliana bHLH proteins was performed to determine their homology. In addition, conserved motifs, gene structure, chromosomal spread, and gene duplication of SbbHLH genes were studied in depth. To further infer the phylogenetic mechanisms in the SbbHLH family, we constructed six comparative syntenic maps of S. bicolor associated with six representative species. Finally, we analyzed the gene-expression response and tissue-development characteristics of 12 typical SbbHLH genes in plants subjected to six different abiotic stresses. Gene expression during flower and fruit development was also examined. Conclusions This study is of great significance for functional identification and confirmation of the S. bicolor bHLH superfamily and for our understanding of the bHLH superfamily in higher plants.
Related Links	https://bmcgenomics.biomedcentral.com/counter/pdf/10.1186/s12864-021-07652-9.pdf
Ending Page	18
Page Count	18
Starting Page	1
File Format	HTM / HTML
ISSN	14712164
DOI	10.1186/s12864-021-07652-9
Journal	BMC Genomics
Issue Number	1
Volume Number	22
Language	English
Publisher	BioMed Central
Publisher Date	2021-06-05
Access Restriction	Open
Subject Keyword	Life Sciences Microarrays Proteomics Animal Genetics and Genomics Microbial Genetics and Genomics Plant Genetics and Genomics Sorghum bicolor bHLH gene family Genome-wide analysis Abiotic stress
Content Type	Text
Resource Type	Article
Subject	Biotechnology Genetics
Journal Impact Factor	3.5/2023
5-Year Journal Impact Factor	4.1/2023

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