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CYP94B3 activity against jasmonic acid amino acid conjugates and the elucidation of 12-O-beta-glucopyranosyl-jasmonoyl-L-isoleucine as an additional metabolite

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Title: CYP94B3 activity against jasmonic acid amino acid conjugates and the elucidation of 12-O-beta-glucopyranosyl-jasmonoyl-L-isoleucine as an additional metabolite
Authors: Kitaoka, Naoki Browse this author
Kawaide, Hiroshi Browse this author
Amano, Naruki Browse this author
Matsubara, Takuya Browse this author
Nabeta, Kensuke Browse this author
Takahashi, Kosaku Browse this author
Matsuura, Hideyuki Browse this author
Keywords: Arabidopsis thaliana
Cruciferac
Glycine max
Leguminosae
Nicotiana tabacum
Solanaceae
Metabolic pathway
Jasmonate
Cytochrome P450
CYP94B3
Issue Date: Mar-2014
Publisher: Elsevier
Journal Title: Phytochemistry
Volume: 99
Start Page: 6
End Page: 13
Publisher DOI: 10.1016/j.phytochem.2013.12.019
PMID: 24467969
Abstract: The hormonal action of jasmonate in plants is controlled by the precise balance between its biosynthesis and inactivation. Oxidation of jasmonoyl-L-isoleucine at the C-12 position, which is catalyzed by cytochrome P450s CYP94B3 and CYP94C1, is thought to be one of the main inactivation pathways. In this study, an additional function of CYP94B3 was elucidated, as well additional jasmonoyl-L-isoleucine metabolites being investigated. It was found that CYP94B3 also catalyzes the hydroxylation of jasmonoyl-L-valine and jasmonoyl-L-phenylalanine, and that these hydroxyl compounds accumulated after wounding and possessed lower activity than non-hydroxylated compounds. Additionally, 12-O-beta-glucopyranosyl-jasmonoyl-t-isoleucine accumulated after wounding, suggesting that it is a metabolite of
Type: article (author version)
URI: http://hdl.handle.net/2115/56238
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 松浦 英幸

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