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Isolation of a Human Intestinal Bacterium Capable of Daidzein and Genistein Conversion

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Matthies, Anastasia, Blaut, Michael, Braune, Annett·2009·Applied and Environmental Microbiology

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Abstract

A rod-shaped gram-positive anaerobic bacterium, strain HE8, was isolated from human feces. The isolate was able to convert the isoflavones daidzein and genistein to equol and 5-hydroxy-equol, respectively. Based on phenotypic and phylogenetic analyses, strain HE8 is described as a new species, Slackia isoflavoniconvertens.

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Authors: Matthies, A., Blaut, M., & Braune, A.
Affiliations: German Institute of Human Nutrition (DE)
Department of Gastrointestinal Microbiology, German Institute of Human Nutrition Potsdam-Rehbruecke, Arthur-Scheunert-Allee 114-116, D-14558 Nuthetal, Germany
Corresponding author: Braune, Annett
ORCID: Matthies, Anastasia
Braune, Annett
Venue: Applied and Environmental Microbiology
Publisher: American Society for Microbiology
Published: 2009-03-15
Volume: 75
Issue: 6
Pages: 1740-1744
ISSN: 0099-2240 (ISSN-L)
1098-5336
DOI: 10.1128/aem.01795-08
PMC: PMC2655447
OpenAlex: W1992373112
Cited by: 161
References: 40
Citations by year: 2026: 6 · 2025: 2 · 2024: 12 · 2023: 11 · 2022: 16 · 2021: 13 · 2020: 12 · 2019: 9 · 2018: 9 · 2017: 8 · 2016: 9 · 2015: 12 · 2014: 12 · 2013: 9 · 2012: 5
FWCI: 5.40
Type: journal article
Language: en
Open access: green
www.ncbi.nlm.nih.gov
Licence: journals.asm.org/non-commercial-tdm-license (tdm)
Locations: Applied and Environmental Microbiology (publishedVersion)
PubMed Central (publishedVersion)
PubMed (publishedVersion)
Topics: Health Sciences › Nursing › Nutrition and Dietetics › Phytoestrogen effects and research
Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
Life Sciences › Agricultural and Biological Sciences › Food Science › Probiotics and Fermented Foods
Keywords: daidzein, genistein, equol, human gut bacteria, anaerobic Gram-positive bacteria, novel bacterial species, isoflavone metabolism, human feces
MeSH terms: Aerobiosis, DNA, Bacterial, DNA, Ribosomal, Feces, Humans, Isoflavones, Molecular Sequence Data, Phylogeny, RNA, Bacterial, RNA, Ribosomal, 16S, Sequence Homology, Nucleic Acid, Sequence Analysis, DNA, Genistein, Genes, rRNA, Actinobacteria, Gastrointestinal Tract, Equol

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Isolation of a Human Intestinal Bacterium Capable of Daidzein and Genistein Conversion

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