Detection of Extended Spectrum Beta-Lactamases Resistance Genes among Bacteria Isolated from Selected Drinking Water Distribution Channels in Southwestern Nigeria

Table 3

Number of bacteria and genes observed from all raw, treated, and municipal taps carrying at least one bla gene tested for in this study.

Genus	bla genes from raw water				bla genes from final water				bla genes from municipal taps
	Bacteria number	bla	bla	bla	Bacteria number	bla	bla	bla	Bacteria number	bla	bla	bla
Acinetobacter spp.	1	1	0	0	0	0	0	0	1	1	1	0
Aeromonas spp.	1	1	0	0	0	0	0	0	0	0	0	0
Alcaligenes spp.	3	2	1	0	0	0	0	0	4	3	1	0
Bacillus spp.	2	1	2	0	4	4	1	0	1	1	1	0
Bordetella spp.	1	1	0	0	0	0	0	0	0	0	0	0
Brevundimonas spp.	0	0	0	0	1	0	1	0	0	0	0	0
Chromobacterium spp.	0	0	0	0	0	0	0	0	1	1	0	0
Citrobacter spp.	0	0	0	0	0	0	0	0	1	1	0	0
E. coli	1	1	0	0	0	0	0	0	2	2	0	0
Klebsiella spp.	7	6	3	1	2	0	1	0	2	1	2	0
Leucobacter spp.	1	1	0	0	0	0	0	0	0	0	0	0
Morganella spp.	2	1	0	1	1	1	0	0	2	2	0	0
Myroides spp.	0	0	0	0	1	1	0	0	1	1	0	0
Proteus spp.	6	6	0	0	2	2	0	0	1	0	1	0
Providencia spp.	1	1	0	0	0	0	0	0	0	0	0	0
Psychrobacter spp.	0	0	0	0	0	0	0	0	1	1	0	0
Serratia spp.	1	0	1	0	0	0	0	0	1	0	1	0
Staphylococcus spp.	1	1	0	0	0	0	0	0	0	0	0	0
Stenotrophomonas spp.	1	1	1	0	0	0	0	0	0	0	0	0
Trabulsiella spp.	1	0	1	0	0	0	0	0	0	0	0	0
Uncultured bacteria clone	2	2	0	0	1	1	0	0	0	0	0	0
Total	32	26	9	2	12	9	3	0	18	14	7	0