論文

査読有り 国際誌
2020年5月

Hydroxyl carlactone derivatives are predominant strigolactones in Arabidopsis.

Plant direct
  • Kaori Yoneyama
  • Kohki Akiyama
  • Philip B Brewer
  • Narumi Mori
  • Miyuki Kawano-Kawada
  • Shinsuke Haruta
  • Hisashi Nishiwaki
  • Satoshi Yamauchi
  • Xiaonan Xie
  • Mikihisa Umehara
  • Christine A Beveridge
  • Koichi Yoneyama
  • Takahito Nomura
  • 全て表示

4
5
開始ページ
e00219
終了ページ
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1002/pld3.219

Strigolactones (SLs) regulate important aspects of plant growth and stress responses. Many diverse types of SL occur in plants, but a complete picture of biosynthesis remains unclear. In Arabidopsis thaliana, we have demonstrated that MAX1, a cytochrome P450 monooxygenase, converts carlactone (CL) into carlactonoic acid (CLA) and that LBO, a 2-oxoglutarate-dependent dioxygenase, can convert methyl carlactonoate (MeCLA) into a metabolite called [MeCLA + 16 Da]. In the present study, feeding experiments with deuterated MeCLAs revealed that [MeCLA + 16 Da] is hydroxymethyl carlactonoate (1'-HO-MeCLA). Importantly, this LBO metabolite was detected in plants. Interestingly, other related compounds, methyl 4-hydroxycarlactonoate (4-HO-MeCLA) and methyl 16-hydroxycarlactonoate (16-HO-MeCLA), were also found to accumulate in lbo mutants. 3-HO-, 4-HO-, and 16-HO-CL were detected in plants, but their expected corresponding metabolites, HO-CLAs, were absent in max1 mutants. These results suggest that HO-CL derivatives may be predominant SLs in Arabidopsis, produced through MAX1 and LBO.

リンク情報
DOI
https://doi.org/10.1002/pld3.219
PubMed
https://www.ncbi.nlm.nih.gov/pubmed/32399509
PubMed Central
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7207163
ID情報
  • DOI : 10.1002/pld3.219
  • PubMed ID : 32399509
  • PubMed Central 記事ID : PMC7207163

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