Genome-wide Identification and Analysis of VQ Gene Family in Cucumber  

Xiaoijing  Dong , Ni  Han , Yajing  Hu , Zhonghai  Ren , Lina  Wang
College of Horticulture Science and Engineering, Shandong Agricultural University; Shandong Collaborative Innovation Center of Fruit & Vegetable Quality and Efficient Production; Key Laboratory of Biology and Genetic Improvement of Horticultural Crops in Huang-Huai Region, Ministry of Agriculture; State Key Laboratory of Crop Biology, Tai’an, Shandong 271018, People’s Republic of China
Author    Correspondence author
Computational Molecular Biology, 2020, Vol. 10, No. 2   
Received: 07 Jul., 2020    Accepted: 09 Jul., 2020    Published: 10 Jul., 2020
© 2020 BioPublisher Publishing Platform
This article was first published in 《分子植物育种》(ISSN1672-416X,CN46-1068/S) in Chinese, and here was authorized to translate and publish the paper in English under the terms of Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

VQ protein highly conserved in plants, plays an important role in plant growth and development. In recent years, VQ protein has received extensive attention due to its interaction with WRKY transcription factors. However, there are few reports on the VQ gene family in cucumber, and its function is not clear. In this study, we systematically analyzed the VQ gene of cucumber by bioinformatics and their structures, subcellular localizations, evolutionary relationships, and tissue expression patterns were explored. The results showed that the VQ gene family of cucumber contained 26 members, and most of the CsVQs coding proteins were neutral or basic proteins, encoded by a single exon gene, and most of them were located on the nucleus. All 26 VQ genes had conserved valine (V) and glutamine (Q) motifs, and the core motif was FxxxVQx (L/V/F) TG, which was not unevenly distributed on the 7 chromosomes of cucumber. Gene expression analysis in various tissues demonstrated that most CsVQs genes showed tissue-specific expression, uncovering their potential function in cucumber growth and development. Our research will benefit the functional study of cucumber VQ genes in the future.

Cucumber; VQ gene family; Bioinformatics analysis
Computational Molecular Biology
• Volume 10
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. Xiaoijing  Dong
. Ni  Han
. Yajing  Hu
. Zhonghai  Ren
. Lina  Wang
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