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Biochemical Characterization of Parsley Glycosyltransferases Involved in the Biosynthesis of a Flavonoid Glycoside, Apiin.
An, Song; Yamashita, Maho; Iguchi, Sho; Kihara, Taketo; Kamon, Eri; Ishikawa, Kazuya; Kobayashi, Masaru; Ishimizu, Takeshi.
Affiliation
  • An S; College of Life Sciences, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu 525-8577, Shiga, Japan.
  • Yamashita M; College of Life Sciences, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu 525-8577, Shiga, Japan.
  • Iguchi S; College of Life Sciences, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu 525-8577, Shiga, Japan.
  • Kihara T; College of Life Sciences, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu 525-8577, Shiga, Japan.
  • Kamon E; College of Life Sciences, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu 525-8577, Shiga, Japan.
  • Ishikawa K; College of Life Sciences, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu 525-8577, Shiga, Japan.
  • Kobayashi M; Ritsumeikan Global Innovation Research Organization, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu 525-8577, Shiga, Japan.
  • Ishimizu T; Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Kyoto, Japan.
Int J Mol Sci ; 24(23)2023 Dec 04.
Article in En | MEDLINE | ID: mdl-38069442
The flavonoid glycoside apiin (apigenin 7-O-[ß-D-apiosyl-(1→2)-ß-D-glucoside]) is abundant in apiaceous and asteraceous plants, including celery and parsley. Although several enzymes involved in apiin biosynthesis have been identified in celery, many of the enzymes in parsley (Petroselinum crispum) have not been identified. In this study, we identified parsley genes encoding the glucosyltransferase, PcGlcT, and the apiosyltransferase, PcApiT, that catalyze the glycosylation steps of apiin biosynthesis. Their substrate specificities showed that they were involved in the biosynthesis of some flavonoid 7-O-apiosylglucosides, including apiin. The expression profiles of PcGlcT and PcApiT were closely correlated with the accumulation of flavonoid 7-O-apiosylglucosides in parsley organs and developmental stages. These findings support the idea that PcGlcT and PcApiT are involved in the biosynthesis of flavonoid 7-O-apiosylglucosides in parsley. The identification of these genes will elucidate the physiological significance of apiin and the development of apiin production methods.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Cardiac Glycosides / Apium Language: En Journal: Int J Mol Sci Year: 2023 Document type: Article Affiliation country: Japan Country of publication: Switzerland

Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Cardiac Glycosides / Apium Language: En Journal: Int J Mol Sci Year: 2023 Document type: Article Affiliation country: Japan Country of publication: Switzerland