Genome-Wide Identification of VQ Motif-Containing Proteins and their Expression Profiles Under Abiotic Stresses in Maize

Frontiers in Plant Science
Weibin SongJinsheng Lai

Abstract

VQ motif-containing proteins play crucial roles in abiotic stress responses in plants. Recent studies have shown that some VQ proteins physically interact with WRKY transcription factors to activate downstream genes. In the present study, we identified and characterized genes encoding VQ motif-containing proteins using the most recent version of the maize genome sequence. In total, 61VQ genes were identified. In a cluster analysis, these genes clustered into nine groups together with their homologous genes in rice and Arabidopsis. Most of the VQ genes (57 out of 61 numbers) identified in maize were found to be single-copy genes. Analyses of RNA-seq data obtained using seedlings under long-term drought treatment showed that the expression levels of most ZmVQ genes (41 out of 61 members) changed during the drought stress response. Quantitative real-time PCR analyses showed that most of the ZmVQ genes were responsive to NaCl treatment. Also, approximately half of the ZmVQ genes were co-expressed with ZmWRKY genes. The identification of these VQ genes in the maize genome and knowledge of their expression profiles under drought and osmotic stresses will provide a solid foundation for exploring their specific functions in the abiotic...Continue Reading

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Citations

Oct 31, 2017·Genome Génome / Conseil National De Recherches Canada·Yan ZhongZong-Ming Cheng
Dec 7, 2018·Journal of Integrative Plant Biology·Weibin SongJinsheng Lai
Feb 23, 2017·Frontiers in Plant Science·Xiang LuChengwei Yang
Sep 12, 2018·International Journal of Molecular Sciences·Chang-Tao WangJin-Dong Fu
Dec 4, 2020·International Journal of Molecular Sciences·Augusto Lima DinizGlaucia Mendes Souza
Feb 20, 2021·Frontiers in Plant Science·José LeónMari-Cruz Castillo

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Methods Mentioned

BETA
RNA-seq
PCR
PCRs

Software Mentioned

Phytozome
MEGA6
Excel
BLASTP
Tophat
MUSCLE
Cytoscape

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