FUT2 Gene and Bifidobacteria in the Human Gut
Author Information
Author(s): Wacklin Pirjo, Mäkivuokko Harri, Alakulppi Noora, Nikkilä Janne, Tenkanen Heli, Räbinä Jarkko, Partanen Jukka, Aranko Kari, Mättö Jaana
Primary Institution: Finnish Red Cross Blood Service, Helsinki, Finland
Hypothesis
The study investigates the association between the FUT2 gene secretor status and the composition of bifidobacteria in the human intestine.
Conclusion
The study found that the diversity and composition of bifidobacteria in the human gut are significantly influenced by the secretor status determined by the FUT2 gene.
Supporting Evidence
- The study included 71 healthy individuals, of which 14 were non-secretors.
- Non-secretor individuals showed significantly reduced bifidobacterial diversity and richness compared to secretors.
- PCR-DGGE analysis indicated that non-secretor individuals lacked several bifidobacterial genotypes common in secretors.
- Statistical analysis revealed significant differences in bifidobacterial composition based on secretor status.
Takeaway
People who can produce certain sugars in their gut have more types of good bacteria called bifidobacteria, which help keep us healthy.
Methodology
The study analyzed fecal samples using PCR-DGGE and qPCR methods to assess the diversity and abundance of bifidobacteria.
Potential Biases
Potential bias due to the exclusion of individuals with intestinal diseases and the limited demographic range of participants.
Limitations
The study only included healthy individuals and may not represent the microbiota composition in those with intestinal diseases.
Participant Demographics
71 healthy adults (7 males and 64 females) aged 31 to 61 years, with a balanced distribution of blood groups.
Statistical Information
P-Value
p<0.0001
Statistical Significance
p<0.0001
Digital Object Identifier (DOI)
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