Fig 4. Variation in microbiome composition of cheek skin samples from female volunteers of ‘young’ and ‘old’ age groups, based on OTUs. (IMAGE)

PLOS

Fig 4. Variation in microbiome composition of cheek skin samples from female volunteers of ‘young’ and ‘old’ age groups, based on OTUs.

Caption

Samples were taken from the superficial layer of the cheek. Age group (‘young’ and ‘old’) explains 1.1% of the variation in the microbiome. Separation of samples by age group was significant (p = 0.044). Samples from the ‘young’ and ‘old’ age group are indicated by black circles and blue squares, respectively. Arrows are plotted supplementary and represent 20 bacterial genera that are associated most with the age groups. The length and direction of the arrows indicate the relative strength of the association with either group.

Credit

Alkema et al., 2021, PLOS ONE, CC-BY 4.0 (https://creativecommons.org/licenses/by/4.0/)

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