New PCR Test for Bifidobacterium thermophilum in Human Faeces
Author Information
Author(s): Mathys Sophie, Lacroix Christophe, Mini Raffaella, Meile Leo
Primary Institution: ETH Zurich
Hypothesis
Can a specific qPCR assay be developed for the detection of Bifidobacterium thermophilum in human faeces?
Conclusion
A new qPCR assay was successfully developed to detect Bifidobacterium thermophilum in human faeces, confirming its presence in the human gut.
Supporting Evidence
- The qPCR assay showed a detection limit of 105 cells per gram of faeces.
- B. thermophilum was detected in one sample from a 6-month old breast-fed baby.
- The specificity of the primers was confirmed through PCR amplification on various Bifidobacterium strains.
Takeaway
Scientists created a new test to find a type of bacteria called Bifidobacterium thermophilum in poop, showing it can live in our tummies.
Methodology
The study involved designing specific primers for B. thermophilum and testing their effectiveness through PCR and qPCR on human faecal samples.
Limitations
The study's findings are based on a limited number of faecal samples, which may not represent the broader population.
Participant Demographics
The study included 17 faecal samples from human adults and breast-fed children aged 1 to 6 months.
Digital Object Identifier (DOI)
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