Intrepid Lance B. Price of the Translational Genomics Research Institute, together with colleagues there and elsewhere, looked long and hard at the penis microbiome — both before and after circumcision. Their report is online:
“The Effects of Circumcision on the Penis Microbiome,” Lance B. Price, Cindy M. Liu, Kristine E. Johnson, Maliha Aziz, Matthew K. Lau, Jolene Bowers, Jacques Ravel, Paul S. Keim, David Serwadda, Maria J. Wawer, Ronald H. Gray, PLoS ONE, 5(1): e8422. DOI:10.1371/journal.pone.0008422. (Thanks to investigator Costas Bouyioukos for bringing this to our attention.)