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Published on: January 25, 2018
Genome-Wide Analyses of the Soybean GmABCB Gene Family in Response to Salt Stress
Hui Zou1, Caiyun Fan2, Xiulin Chen2
1Guangzhou Key Laboratory for Research and Development of Crop Germplasm Resources, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China.
Background:
Soybean (Glycine max (L.) Merr.) is a significant economic oilseed crop, and saline-alkali soils restrict soybean yield. Identifying salt-tolerant genes is a key strategy for enhancing soybean productivity under saline-alkali conditions. The roles of the GmABCB gene family in growth, development, and stress resistance remain incompletely understood.
Methods:
Bioinformatics approaches were employed to identify and analyze GmABCB genes. A total of 39 GmABCB genes were identified and analyzed in the soybean genome, focusing on their phylogenetic relationships, chromosomal distribution, gene structure, cis-acting elements, evolutionary history, and expression patterns under salt stress.
Results:
A total of 39 GmABCB genes were identified. These genes are unevenly distributed across the soybean genome, with 21 segmental duplication events identified. Several cis-acting elements associated with abiotic stress responses were identified.
Conclusions:
The GmABCB gene family likely regulates growth, development, and stress tolerance in soybean.
