Comparative Analysis of Korean Human Gut Microbiota by Barcoded Pyrosequencing
2011

Analysis of Gut Microbiota in Koreans

Sample size: 20 publication 10 minutes Evidence: moderate

Author Information

Author(s): Nam Young-Do, Jung Mi-Ja, Roh Seong Woon, Kim Min-Soo, Bae Jin-Woo

Primary Institution: Kyung Hee University

Hypothesis

The study investigates the composition and stability of gut microbiota in Koreans compared to individuals from other countries.

Conclusion

Korean gut microbiota shows host specificity and temporal stability, with significant differences compared to gut microbiota from the USA, China, and Japan.

Supporting Evidence

  • Korean gut microbiota showed a high diversity of rare species.
  • 43 core gut microbiota candidates were identified, many related to butyrate production.
  • Microbial communities were found to be host-specific and stable over time.

Takeaway

This study looked at the tiny living things in the stomachs of 20 Koreans and found that they are different from those in people from other countries, but they stay pretty much the same in each person over time.

Methodology

The study used 454-pyrosequencing to analyze the V1 to V3 region of the bacterial 16S rRNA gene from fecal samples.

Potential Biases

Potential biases may arise from the limited geographic and demographic diversity of the sample.

Limitations

The study only included a small sample size of Koreans and may not represent the entire population.

Participant Demographics

The study included 20 healthy Korean individuals, with a mix of genders and ages ranging from 4 to 68 years.

Digital Object Identifier (DOI)

10.1371/journal.pone.0022109

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