Table 1.

The 10 bacterial taxa with the greatest decrease in abundance following exposure of sedentary mice to the PCB mixture.

Phylum	Class	Order	Family	Species	GenBank accession ID	Fold change
Proteobacteria	Gammaproteobacteria	Pseudomonadales	Pseudomonadaceae	Pseudomonas plecoglossicida strain CGMCC 2093	EF645247	–5.6
Proteobacteria	Gammaproteobacteria	Pseudomonadales	Pseudomonadaceae		FJ901066	–4.8
Proteobacteria	Betaproteobacteria	Burkholderiales	Comamonadaceae		GQ007353	–4.4
Proteobacteria	Betaproteobacteria	Burkholderiales	Comamonadaceae		GQ108141	–4.4
Proteobacteria	Gammaproteobacteria	Pseudomonadales	Pseudomonadaceae	Pseudomonas plecoglossicida strain R18	DQ095882	–4.3
Proteobacteria	Betaproteobacteria	Burkholderiales	Comamonadaceae		GQ008724	–4.3
Proteobacteria	Betaproteobacteria	Burkholderiales	Comamonadaceae		GQ100754	–4.1
Proteobacteria	Gammaproteobacteria	Pseudomonadales	Pseudomonadaceae	Pseudomonas putida strain SRI156	EU826028	–4.0
Firmicutes	Bacilli	Lactobacillales	Streptococcaceae	Streptococcus infantis	GQ077246	–4.0
Proteobacteria	Betaproteobacteria	Burkholderiales	Comamonadaceae		EF520494	–4.0
Fold change represents the relative bacterial abundance in PCB-exposed mice compared with vehicle-treated controls; values were calculated from the fluorescence intensities derived from hybridization scores.