Copyright information:Taken from "Analysis of sp. natural isolates from different Brazilian ecosystems"http://www.biomedcentral.com/1471-2180/7/58BMC Microbiology 2007;7():58-58.Published online 21 Jun 2007PMCID:PMC1913517.icated on the axis labels. Ecosystems are represented by the following symbols: AmF ■, AtF ●, and BS ▲.