4.7 Article

Genome-Wide Identification and Salt Stress Response Analysis of the bZIP Transcription Factor Family in Sugar Beet

期刊

出版社

MDPI
DOI: 10.3390/ijms231911573

关键词

sugar beet; bZIP; transcription factor; salt stress; expression pattern; bioinformatics

资金

  1. China Postdoctoral Science Foundation [2019M651314]
  2. National Science Foundation of China [32072122, 31801426]
  3. basic research project of basic scientific research business expenses of provincial colleges and universities in Heilongjiang Province [KJCXZD201717]
  4. Key Laboratory of Molecular Biology, College of Heilongjiang Province
  5. University of Mississippi

向作者/读者索取更多资源

This study identified and analyzed the bZIP transcription factors in sugar beet, and found that they play important roles in stress response. The study provides foundational data for further mechanistic studies and for breeding stress-resilient sugar beet.
As one of the largest transcription factor families in plants, bZIP transcription factors play important regulatory roles in different biological processes, especially in the process of stress response. Salt stress inhibits the growth and yield of sugar beet. However, bZIP-related studies in sugar beet (Beta vulgaris L.) have not been reported. This study aimed to identify the bZIP transcription factors in sugar beet and analyze their biological functions and response patterns to salt stress. Using bioinformatics, 48 BvbZIP genes were identified in the genome of sugar beet, encoding 77 proteins with large structural differences. Collinearity analysis showed that three pairs of BvbZIP genes were fragment replication genes. The BvbZIP genes were grouped according to the phylogenetic tree topology and conserved structures, and the results are consistent with those reported in Arabidopsis. Under salt stress, the expression levels of most BvbZIP genes were decreased, and only eight genes were up-regulated. GO analysis showed that the BvbZIP genes were mainly negatively regulated in stress response. Protein interaction prediction showed that the BvbZIP genes were mainly involved in light signaling and ABA signal transduction, and also played a certain role in stress responses. In this study, the structures and biological functions of the BvbZIP genes were analyzed to provide foundational data for further mechanistic studies and for facilitating the efforts toward the molecular breeding of stress-resilient sugar beet.

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