Genome-Wide Identification and Characterization of the VQ Motif-Containing Gene Family Based on Their Evolution and Expression Analysis Under Abiotic Stress and Hormone Treatments in Foxtail Millet ( L.)

Overview

Journal Genes (Basel)

Publisher MDPI

Date 2023 May 27

PMID 37239391

Authors

Meiling Liu

Cong Li

Yuntong Li

Yingtai An

Xiaoxi Ruan

Yicheng Guo

Xiaomei Dong

Yanye Ruan

Affiliations

Soon will be listed here.

Abstract

Valine-glutamine (VQ) motif-containing proteins are transcriptional regulatory cofactors that play critical roles in plant growth and response to biotic and abiotic stresses. However, information on the gene family in foxtail millet ( L.) is currently limited. In this study, a total of 32 genes were identified in foxtail millet and classified into seven groups (I-VII), based on the constructed phylogenetic relationships; the protein-conserved motif showed high similarity within each group. Gene structure analysis showed that most had no introns. Whole-genome duplication analysis revealed that segmental duplications contributed to the expansion of the gene family. The cis-element analysis demonstrated that growth and development, stress response, and hormone-response-related cis-elements were all widely distributed in the promoters of the . Gene expression analysis demonstrated that the expression of most genes was induced by abiotic stress and phytohormone treatments, and seven genes showed significant upregulation under both abiotic stress and phytohormone treatments. A potential interaction network between SiVQs and SiWRKYs was predicted. This research provides a basis to further investigate the molecular function of in plant growth and abiotic stress responses.

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