Availability of supporting data All sequences are available for download in the MG-RAST database (metagenomics.anl.gov/) under the project ‘CRISPR Skin Saliva Project’. Virome sequences are available under consecutive individual accession numbers 4513846.3 to 4513853.3, and 16S rRNA sequences are available under consecutive individual accession numbers 4514730.3 to 4514825.3. Acknowledgements Supported by the Robert Wood Johnson Foundation, the Burroughs

CT99021 purchase Wellcome Fund, and NIH 1K08AI085028 to DTP. Electronic supplementary material Additional file 1: Table S1: CRISPR repeat motifs and primers used in this study. Table S2. Presence of SGI and SGII CRISPR repeat motifs in different species. Table S3. Reads and Cell Cycle inhibitor spacer counts from the skin and saliva of all subjects. Table S4. Mean percentages (±standard error) of shared spacers in the skin and saliva of all subjects for SGI and Selleck LDN-193189 SGII spacers. Significance

values were determined by two-tailed t-tests. Table S5. Estimated percentages of shared spacers on the skin and saliva of each subject. Table S6. Estimated proportions of shared OTUs on the skin and saliva of each subject. (PDF 167 KB) Additional file 2: Figure S1: Rarefaction analysis of CRISPR spacer groups in the saliva and on the skin of all subjects. Figure S2. Heatmaps of SGII CRISPR spacer groups in all subjects. Figure S3. SGII CRISPR spacer group heat matrices from all subjects. Figure S4. Conservation of CRISPR spacer content by time of day sampled. Figure S5. Conservation of CRISPR spacer content by time of day sampled. Figure S6. Percentage of SGI (Panel A) and SGII (Panel B) CRISPR spacers 4��8C with

homologues in the NCBI NR database. Figure S7. Percentage of SGI (Panel A) and SGII (Panel B) CRISPR spacers matching virome reads from the subjects in this study. Figure S8. Bar graphs representing the percentage of CRISPR spacers (±standard deviation) with matches in human skin, oral, and gut-derived metagenomes. Figure S9. Relative rates of newly identified CRISPR spacers in skin and saliva of all subjects. Figure S10. Principal coordinates analysis of bacterial OTUs based on 16S rRNA sequences for the skin and saliva of all subjects. Figure S11. Percentage of taxonomic assignments from the Genus Streptococcus in all subjects for saliva and skin. (PDF 2 MB) References 1. Pride DT, Salzman J, Haynes M, Rohwer F, Davis-Long C, White RA, Loomer P, Armitage GC, Relman DA: Evidence of a robust resident bacteriophage population revealed through analysis of the human salivary virome. ISME J 2012,6(5):915–926.PubMedCentralPubMedCrossRef 2. Willner D, Furlan M, Schmieder R, Grasis JA, Pride DT, Relman DA, Angly FE, McDole T, Mariella RP Jr, Rohwer F, Haynes M: Metagenomic detection of phage-encoded platelet-binding factors in the human oral cavity. Proc Natl Acad Sci U S A 2011,108(Suppl 1):4547–4553.PubMedCentralPubMedCrossRef 3.