An increased incidence of Propionibacterium acnes biofilms in acne vulgaris: a case-control study

British Journal of Dermatology, 03/20/2012

The authors have for the first time visualized different P. acnes phylotypes in macro–colonies/biofilms in sebaceous follicles of skin biopsies. The results support the hypothesis that P. acnes can play a role in the pathogenesis of acne as acne samples showed a higher prevalence for follicular P. acnes colonization, both in terms of follicles containing P. acnes and the numbers of bacteria in macro–colonies/biofilms than control samples.

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