Novel Catechol O-methyltransferases from Lentinula edodes Catalyze the Generation of Taste-Active Flavonoids

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Novel Catechol O-methyltransferases from Lentinula edodes Catalyze the Generation of Taste-Active Flavonoids. / Kanter, Jean-Philippe; Milke, Lars; Metz, Judith K; Biabani, Ali; Schlüter, Hartmut; Gand, Martin; Ley, Jakob P; Zorn, Holger.

in: J AGR FOOD CHEM, Jahrgang 72, Nr. 19, 15.05.2024, S. 11002-11012.

Publikationen: SCORING: Beitrag in Fachzeitschrift/ZeitungSCORING: ZeitschriftenaufsatzForschungBegutachtung

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@article{33340610671f4de7bd85afa7146e5733,
title = "Novel Catechol O-methyltransferases from Lentinula edodes Catalyze the Generation of Taste-Active Flavonoids",
abstract = "Due to the increasing demand for natural food ingredients, including taste-active compounds, enzyme-catalyzed conversions of natural substrates, such as flavonoids, are promising tools to align with the principles of Green Chemistry. In this study, a novel O-methyltransferase activity was identified in the mycelium of Lentinula edodes, which was successfully applied to generate the taste-active flavonoids hesperetin, hesperetin dihydrochalcone, homoeriodictyol, and homoeriodictyol dihydrochalcone. Furthermore, the mycelium-mediated OMT activity allowed for the conversion of various catecholic substrates, yielding their respective (iso-)vanilloids, while monohydroxylated compounds were not converted. By means of a bottom-up proteomics approach, three putative O-methyltransferases were identified, and subsequently, synthetic, codon-optimized genes were heterologously expressed in Escherichia coli. The purified enzymes confirmed the biocatalytic O-methylation activity against targeted flavonoids containing catechol motifs.",
keywords = "Shiitake Mushrooms/enzymology, Catechol O-Methyltransferase/genetics, Fungal Proteins/genetics, Flavonoids/chemistry, Biocatalysis, Flavoring Agents/metabolism, Mycelium/enzymology, Substrate Specificity",
author = "Jean-Philippe Kanter and Lars Milke and Metz, {Judith K} and Ali Biabani and Hartmut Schl{\"u}ter and Martin Gand and Ley, {Jakob P} and Holger Zorn",
year = "2024",
month = may,
day = "15",
doi = "10.1021/acs.jafc.4c01514",
language = "English",
volume = "72",
pages = "11002--11012",
journal = "J AGR FOOD CHEM",
issn = "0021-8561",
publisher = "American Chemical Society",
number = "19",

}

RIS

TY - JOUR

T1 - Novel Catechol O-methyltransferases from Lentinula edodes Catalyze the Generation of Taste-Active Flavonoids

AU - Kanter, Jean-Philippe

AU - Milke, Lars

AU - Metz, Judith K

AU - Biabani, Ali

AU - Schlüter, Hartmut

AU - Gand, Martin

AU - Ley, Jakob P

AU - Zorn, Holger

PY - 2024/5/15

Y1 - 2024/5/15

N2 - Due to the increasing demand for natural food ingredients, including taste-active compounds, enzyme-catalyzed conversions of natural substrates, such as flavonoids, are promising tools to align with the principles of Green Chemistry. In this study, a novel O-methyltransferase activity was identified in the mycelium of Lentinula edodes, which was successfully applied to generate the taste-active flavonoids hesperetin, hesperetin dihydrochalcone, homoeriodictyol, and homoeriodictyol dihydrochalcone. Furthermore, the mycelium-mediated OMT activity allowed for the conversion of various catecholic substrates, yielding their respective (iso-)vanilloids, while monohydroxylated compounds were not converted. By means of a bottom-up proteomics approach, three putative O-methyltransferases were identified, and subsequently, synthetic, codon-optimized genes were heterologously expressed in Escherichia coli. The purified enzymes confirmed the biocatalytic O-methylation activity against targeted flavonoids containing catechol motifs.

AB - Due to the increasing demand for natural food ingredients, including taste-active compounds, enzyme-catalyzed conversions of natural substrates, such as flavonoids, are promising tools to align with the principles of Green Chemistry. In this study, a novel O-methyltransferase activity was identified in the mycelium of Lentinula edodes, which was successfully applied to generate the taste-active flavonoids hesperetin, hesperetin dihydrochalcone, homoeriodictyol, and homoeriodictyol dihydrochalcone. Furthermore, the mycelium-mediated OMT activity allowed for the conversion of various catecholic substrates, yielding their respective (iso-)vanilloids, while monohydroxylated compounds were not converted. By means of a bottom-up proteomics approach, three putative O-methyltransferases were identified, and subsequently, synthetic, codon-optimized genes were heterologously expressed in Escherichia coli. The purified enzymes confirmed the biocatalytic O-methylation activity against targeted flavonoids containing catechol motifs.

KW - Shiitake Mushrooms/enzymology

KW - Catechol O-Methyltransferase/genetics

KW - Fungal Proteins/genetics

KW - Flavonoids/chemistry

KW - Biocatalysis

KW - Flavoring Agents/metabolism

KW - Mycelium/enzymology

KW - Substrate Specificity

U2 - 10.1021/acs.jafc.4c01514

DO - 10.1021/acs.jafc.4c01514

M3 - SCORING: Journal article

C2 - 38700031

VL - 72

SP - 11002

EP - 11012

JO - J AGR FOOD CHEM

JF - J AGR FOOD CHEM

SN - 0021-8561

IS - 19

ER -