Characterization, Microbial Community Structure, and Pathogen Occurrence in Urban Faucet Biofilms in South China

Table 3

Abundance of some potential pathogen and corrosive microorganisms in genus level in different bacterial communities (count).

	genera	PVC	stainless steel				cast iron
		A2	A1	A3	A7	A10	A5	A8	A9
Pathogen	Escherichia_Shigella	1	0	1	0	0	0	1	0
	Legionella	0	4	5	0	7	0	4	4
	Pseudomonas	13	27	70	39	444	66	429	1219
	Enterococcus	0	0	0	0	0	0	2	0
SOB	Thiobacillus	0	7	0	0	0	0	0	0
IRB	Bacillus	0	0	2	1	382	0	1	1826
	Clostridium_XlVa	0	0	0	0	0	4	0	0
	Clostridium_XVIII	0	0	0	0	0	0	1	0
	Pseudomonas	13	27	70	39	444	66	429	1219

SOB: sulfur oxidizing bacteria; IRB: iron reducing bacteria.