Cited by 61Gut microbiota and healthProbiotics and Fermented FoodsClostridium difficile and Clostridium perfringens research

Characterization of Bacteria, Clostridia and Bacteroides in Faeces of Vegetarians Using qPCR and PCR-DGGE Fingerprinting

Liszt, Kathrin, Zwielehner, Jutta, Handschur, Michael, Hippe, Berit, Thaler, Roman, Haslberger, Alexander G.·2009·Annals of Nutrition and Metabolism

Abstract

BACKGROUND/AIMS: This study aimed to investigate the quantitative and qualitative changes of bacteria, Bacteroides, Bifidobacterium and Clostridium cluster IV in faecal microbiota associated with a vegetarian diet. METHODS: Bacterial abundances were measured in faecal samples of 15 vegetarians and 14 omnivores using quantitative PCR. Diversity was assessed with PCR-DGGE fingerprinting, principal component analysis (PCA) and Shannon diversity index. RESULTS: Vegetarians had a 12% higher abundance of bacterial DNA than omnivores, a tendency for less Clostridium cluster IV (31.86 +/- 17.00%; 36.64 +/- 14.22%) and higher abundance of Bacteroides (23.93 +/- 10.35%; 21.26 +/- 8.05%), which were not significant due to high interindividual variations. PCA suggested a grouping of bacteria and members of Clostridium cluster IV. Two bands appeared significantly more frequently in omnivores than in vegetarians (p < 0.005 and p < 0.022). One was identified as Faecalibacterium sp. and the other was 97.9% similar to the uncultured gut bacteriumDQ793301. CONCLUSIONS: A vegetarian diet affects the intestinal microbiota, especially by decreasing the amount and changing the diversity of Clostridium cluster IV. It remains to be determined how these shifts might affect the host metabolism and disease risks.

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Crossref · 10.1159/000229505

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  • Characteristic patterns in the gut microbiota for plant-based diets include high bacterial richness, increased numbers of Bifidobacterium, Lactobacillus, Ruminococcus, Eubacterium rectale, Roseburia, Prevotella, F. prausnitzii, and Anaerostipes, but lower abundance of Clostridium sensu stricto, C. perfringens, C. histolyticum, and Odoribacter.

    “Thus, characteristic patterns in the gut microbiota for these types of diets include high bacterial richness, increased numbers of Bifidobacterium, Lactobacillus, Ruminococcus, Eubacterium rectale, Roseburia, Prevotella, F. prausnitzii, and Anaerostipes, but lower abundance of Clostridium sensu stricto, C. perfringens, C. histolyticum, and Odoribacter (42,(45)(46)(47)(48)(49).”

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Authors
Liszt, K., Zwielehner, J., Handschur, M., Hippe, B., Thaler, R., & Haslberger, A. G.
Affiliations
University of Vienna (AT)
Venue
Annals of Nutrition and Metabolism
Publisher
S. Karger AG
Published
2009
Volume
54
Issue
4
Pages
253-257
ISSN
  • 0250-6807 (ISSN-L)
  • 1421-9697
OpenAlex
W2050526850
Cited by
61
References
36
Citations by year
2024: 1 · 2023: 1 · 2022: 4 · 2021: 4 · 2020: 5 · 2019: 6 · 2018: 4 · 2017: 6 · 2016: 2 · 2015: 3 · 2014: 8 · 2013: 7 · 2012: 2
FWCI
1.34
Type
journal article
Language
en
Open access
closed
Locations
  • Annals of Nutrition and Metabolism (publishedVersion)
  • PubMed (publishedVersion)
Funders
Oesterreichische Nationalbank
Topics
  • 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
  • Health Sciences › Medicine › Infectious Diseases › Clostridium difficile and Clostridium perfringens research
Keywords
vegetarian diet, gut microbiota, fecal microbiota, Clostridium cluster IV, Bacteroides, Bifidobacterium, Faecalibacterium, omnivores, bacterial diversity
MeSH terms
Adult, Bacteroides, Bifidobacterium, Clostridium, DNA, Bacterial, Electrophoresis, Feces, Humans, Surveys and Questionnaires, RNA, Ribosomal, 16S, Genetic Variation, Diet, Vegetarian, Colony Count, Microbial, Polymerase Chain Reaction, DNA Fingerprinting, Principal Component Analysis, Young Adult

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