Research Report

Genome-wide Identification and Bioinformatics Analysis of Soybean CHX Gene Family  

Xiaoxi Cai , Yang Shen , Wuhong Zhou , Bowei Jia , Mingzhe Sun , Jinyu Wang , Junkai Yang , Jianwei Li , Xiaoli Sun
Crop Stress Molecular Biology Laboratory, Heilongjiang Bayi Agricultural Universitiy, Daqing, 163319, China
Author    Correspondence author
Genomics and Applied Biology, 2019, Vol. 10, No. 3   doi: 10.5376/gab.2019.10.0003
Received: 15 Oct., 2019    Accepted: 22 Nov., 2019    Published: 30 Nov., 2019
© 2019 BioPublisher Publishing Platform
This article was first published in Genomics and Applied Biology (2018, 36(12): 5360-5369) in Chinese 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.
Preferred citation for this article:

Cai X.X. , Shen Y., Zhou W.H., Jia B.W., Sun M.Z, Wang J.Y., Yang J.K., Li J.W., and Sun X.L., 2019, Genome-wide identification and bioinformatics analysis of soybean CHX Gene Family, Genomics and Applied Biology, 10(3): 16-25 (doi: 10.5376/gab.2019.10.0003)


Cation proton exchanger (CHX) gene family belongs to CPA2 (cation proton antiporter 2) super family and its N-terminal has a Na+/H+ exchanger domain, which regulates various biological processes mainly by transporting cation and proton in plants. In this study, a total of 40 soybean CHX genes from whole genome sequence were screened by using bioinformatics. Chromosome localization analysis showed that soybean CHX genes were distributed on 19 different chromosomes. Further syntenic analysis revealed that most genes were from gene duplication. Phylogenetic analysis exhibited that 40 soybean CHX genes could be divided into 5 subfamilies. Gene structure and conserved motif analysis demonstrated that CHX genes from different subfamilies were conserved in terms of gene structure and conserved motif. Soybean tissue expression data analysis uncovered that CHX genes were mainly expressed in flowers.

Soybean; Cation/H+ exchangers; CHX; Bioinformatics
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. Xiaoxi Cai
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. Xiaoli Sun
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