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- Title
Minor taxa in human skin microbiome contribute to the personal identification.
- Authors
Watanabe, Hikaru; Nakamura, Issei; Mizutani, Sayaka; Kurokawa, Yumiko; Mori, Hiroshi; Kurokawa, Ken; Yamada, Takuji
- Abstract
The human skin microbiome can vary over time, and inter-individual variability of the microbiome is greater than the temporal variability within an individual. The skin microbiome has become a useful tool to identify individuals, and one type of personal identification using the skin microbiome has been reported in a community of less than 20 individuals. However, identification of individuals based on the skin microbiome has shown low accuracy in communities larger than 80 individuals. Here, we developed a new approach for personal identification, which considers that minor taxa are one of the important factors for distinguishing between individuals. We originally established a human skin microbiome for 66 samples from 11 individuals over two years (33 samples each year). Our method could classify individuals with 85% accuracy beyond a one-year sampling period. Moreover, we applied our method to 837 publicly available skin microbiome samples from 89 individuals and succeeded in identifying individuals with 78% accuracy. In short, our results investigate that (i) our new personal identification method worked well with two different communities (our data: 11 individuals; public data: 89 individuals) using the skin microbiome, (ii) defining the personal skin microbiome requires samples from several time points, (iii) inclusion of minor skin taxa strongly contributes to the effectiveness of personal identification.
- Subjects
SKIN microbiology; IDENTIFICATION; SKIN physiology; MICROBIAL genomics; SEQUENCE analysis
- Publication
PLoS ONE, 2018, Vol 13, Issue 7, p1
- ISSN
1932-6203
- Publication type
Article
- DOI
10.1371/journal.pone.0199947