Genome-wide identification and characterization of cation-proton antiporter (CPA) gene family in rice (Oryza sativa L.) and their expression profiles in response to phytohormones.

ABSTRACT: The cation-proton antiporter (CPA) superfamily plays pivotal roles in regulating cellular ion and pH homeostasis in plants. To date, the regulatory functions of CPA family members in rice (Oryza sativa L.) have not been elucidated. In this study, we use rice public data and information techniques, 29 OsCPA candidate genes were identified in the rice japonica variety (referred to as OsCPA) and phylogenetically categorized into K+ efflux antiporter (KEA), Na+/H+ exchanger (NHX), and cation/H+ exchanger (CHX) groups containing 4, 7, and 18 OsCPA genes. The OsCPA proteins were predominantly localized in the plasma membrane and unevenly scattered on 11 chromosomes. The structural analysis of OsCPA proteins revealed higher similarities within groups. Prediction of selection pressure, collinearit

SUBMITTER: Islam MSU 

PROVIDER: S-EPMC11761165 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature