MaGA20ox2f, an OsSD1 homolog, regulates flowering time and fruit yield in banana.

ABSTRACT: Previous studies illustrated that two banana GA20 oxidase2 (MaGA20ox2) genes, Ma04g15900 and Ma08g32850, are implicated in controlling banana growth and development; however, the biological function of each gene remains unknown. Ma04g15900 protein (termed MaGA20ox2f in this article) is the closest homolog to the Rice SD1 (encoded by 'green revolution gene', OsSD1) in the banana genome. The expression of MaGA20ox2f is confined to leaves, peduncles, fruit peels, and pulp. Knockout of MaGA20ox2f by CRISPR/Cas9 led to late flowering and low-yielding phenotypes. The flowering time of ΔMaGA20ox2f #1 and ∆MaGA20ox2f #2 lines was delayed approximately by 61 and 58 days, respectively, while fruit yield decreased by 81.13% and 76.23% compared to wild

SUBMITTER: Zhao W 

PROVIDER: S-EPMC11717755 | biostudies-literature | 2025 Jan

REPOSITORIES: biostudies-literature