Figure 2.

Distribution of individual taxonomic families in the different environment types. The phylogenetic tree shown in the inner circle was created by taking one representative sequence from each family, and was arbitrarily rooted in the branch separating bacteria from archaea. Families are coloured by its corresponding phyla, and only families with 10 or more observations have been considered. The bars in the outer circle indicate the number of times that each family has been observed in a sample from a particular environment. The bars marked with stars have been reduced to one third of their original size, for clarity purposes. This figure was done using iTOL server[42].

Tamames et al. BMC Microbiology 2010 10:85   doi:10.1186/1471-2180-10-85
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