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OsASHL1 and OsASHL2, two members of the COMPASS-like complex, control floral transition and plant development in rice

J Genet Genomics. 2022-03; 
Guangxin Zhao, Jingying Wang, Xi Chen, Hanjing Sha, Xin Liu, Yunfei Han, Guankai Qiu, Fantao Zhang, Jun Fang
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摘要

COMPASS or COMPASS-like is a highly conserved polyprotein complex in eukaryotes that is often involved in methylation of histone H3 lysine 4 (H3K4). However, the biological function of this complex in rice (Oryza sativa) is unclear. Here, we report the identifiction of their functions in growth and development. The osashl1 osashl2 double mutant shows a dwarf and late-flowering phenotype. Lower expression of Ehd1, OsVIL4, and OsMADS51 in the osashl1 osashl2 double mutant background accompanies a delayed vegetative growth phase and photoperiod-sensitive phase compared with that in wild type. Notably, there is less H3K4 mono-, di- and tri-methylation genome-wide in the double mutant, in particular less H3K4 tri-me... More

关键词

COMPASS-like, Flowering, H3K4 methylation, OsASHL1, OsASHL2, Rice (Oryza sativa)