Wild rice GL12 synergistically improves grain length and salt tolerance in cultivated rice.

ABSTRACT: The abounding variations in wild rice provided potential reservoirs of beneficial genes for rice breeding. Maintaining stable and high yields under environmental stresses is a long-standing goal of rice breeding but is challenging due to internal trade-off mechanisms. Here, we report wild rice GL12^W improves grain length and salt tolerance in both indica and japonica genetic backgrounds. GL12^W alters cell length by regulating grain size related genes including GS2, and positively regulates the salt tolerance related genes, such as NAC5, NCED3, under salt stresses. We find that a G/T variation in GL12 promoter determined its binding to coactivator GIF1 and transcription factor WRKY53. GIF1 promotes GL12^W expression in young panicle and WRKY53 represses GL12<

SUBMITTER: Wang Y 

PROVIDER: S-EPMC11530696 | biostudies-literature | 2024 Nov

REPOSITORIES: biostudies-literature