Glutamate receptors (GLR) are widely present in animals and plants, playing essential roles in regulating plant growth, development and stress response. At present, most studies of GLRs in plants are focused on
Arabidopsis thaliana, while there have been few studies on rice.
[...] Read more.
Glutamate receptors (GLR) are widely present in animals and plants, playing essential roles in regulating plant growth, development and stress response. At present, most studies of GLRs in plants are focused on
Arabidopsis thaliana, while there have been few studies on rice. In this study, we identified 26
OsGLR genes in rice (
Oryza sativa L.). Then, we analyzed the chromosomal location, physical and chemical properties, subcellular location, transmembrane (TM) helices, signal peptides, three-dimensional (3D) structure, cis-acting elements, evolution, chromatin accessibility, population variation, gene-coding sequence haplotype (gcHap) and gene expression under multiple abiotic stress and hormone treatments. The results showed that out of the 26
OsGLR genes, ten genes had the TM domain, signal peptides and similar 3D structures. Most
OsGLRs exhibited high tissue specificity in expression under drought stress. In addition, several
OsGLR genes were specifically responsive to certain hormones. The favorable gcHap of many
OsGLR genes in modern varieties showed obvious differentiation between
Xian/indica and
Geng/japonica subspecies. This study, for the first time, comprehensively analyzes the
OsGLR genes in rice, and provides an important reference for further research on their molecular function.
Full article