Fig. 8From: Exposure to ambient particulate matter alters the microbial composition and induces immune changes in rat lungPhylum percent relative abundances. Microbial abundance was measured in bronchoalveolar lavage fluid from rats exposed to clean air (CON) and to particulate matter from biomass fuel (BMF) and motor vehicle exhaust (MVE). The phylum distribution differed significantly between the three groups, driven by an increase in Proteobacteria Back to article page