RRC ID 70124
著者 Mashiguchi K, Seto Y, Onozuka Y, Suzuki S, Takemoto K, Wang Y, Dong L, Asami K, Noda R, Kisugi T, Kitaoka N, Akiyama K, Bouwmeester H, Yamaguchi S.
タイトル A carlactonoic acid methyltransferase that contributes to the inhibition of shoot branching in Arabidopsis.
ジャーナル Proc Natl Acad Sci U S A
Abstract SignificanceStrigolactones (SLs) are a group of apocarotenoid hormones, which regulates shoot branching and other diverse developmental processes in plants. The major bioactive form(s) of SLs as endogenous hormones has not yet been clarified. Here, we identify an Arabidopsis methyltransferase, CLAMT, responsible for the conversion of an inactive precursor to a biologically active SL that can interact with the SL receptor in vitro. Reverse genetic analysis showed that this enzyme plays an essential role in inhibiting shoot branching. This mutant also contributed to specifying the SL-related metabolites that could move from root to shoot in grafting experiments. Our work has identified a key enzyme necessary for the production of the bioactive form(s) of SLs.
巻・号 119(14)
ページ e2111565119
公開日 2022-4-5
DOI 10.1073/pnas.2111565119
PMID 35344437
PMC PMC9168466
MeSH Arabidopsis* / genetics Arabidopsis* / metabolism Hormones / metabolism Lactones / metabolism Methyltransferases / genetics Methyltransferases / metabolism Plant Growth Regulators / metabolism Plant Shoots / genetics Plant Shoots / metabolism
IF 9.412
リソース情報
シロイヌナズナ / 植物培養細胞・遺伝子 pst00546 pst10798