Human Microbiome (image) DOE/Lawrence Berkeley National Laboratory Caption Phylogenetic analysis of 16S Ribosomal DNA sequences with Human Microbiome Project microbes highlighted in blue shows the distribution of these human symbiants around the microbial tree of life. Phylum are separated by color as follows: yellow, Actinobacteria; dark green, Bacteroidetes; light green, Cyanobacteria; red, Firmicutes; cyan, Fusobacteria; dark red, Planctomycetes; gray, Proteobacteria; magenta, Spirochaetes; light pink, TM7; tan, Tenericutes. Credit Image courtesy of Human Microbiome Project Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.