TABLE 1.

Biochemical characteristics by strain and genotypic cluster of strains isolated in this study^a

Cluster	Strain designation	Source	API biotype no.	API 32S biotype no.	Clinical association
1	99B3659	Blood	5240443	22013001110	Sepsis, colon cancer
1	2818	Cardiac tissue	5240441	22013001110	Endocarditis
1	5554	Urine	5240440	22013001110	UTI
2b	00U4487	Urine	NDb		UTI
2b	00U489	Urine	5450451		UTI
2b	99B3395	Blood	5650450	63077203150	Sepsis
2b	96B3666	Blood	5650450	63077001150	Sepsis, GI bleed
2b	96B3681	Blood and CSF	5650450	63077201150	Meningitis
2b	4337	Brain tissue	5650450		Subdural empyema
2b	99U7709	Urine	5640450		UTI
2b	2951	Blood	5650450		Sepsis, GI bleed
2b	5363	Blood	5650450	63077001150	Endocarditis
2b	97B1728	Blood	5650450	63077201150	Spontaneous peritonitis
2b	98B4909	Blood	5650450	63077001150	Sepsis
2b	5538	Blood	5650450	23077201150	Sepsis, GI bleed
2b	ref174	CSF	5650450	63077001150	Encephalitis and meningitis
2b	5549	Urine	5650450	23077201150	UTI
2b	5984	Urine	5650450	23077201150	UTI
2b	7057	Urine	5650450	63077003150	Unknown
2b	3270	Blood	5650450	63077001150	Endocarditis
2b	99B6012	Blood	5650450	63077201150	Endocarditis
2a	3076	Blood	5250553	20237061110	Endocarditis, meningitis

^aThe right-hand portion of the strain designation is the same as in Fig. 1. As stated in text, there were isolates associated with UTI endocarditis and sepsis in both larger groups. 

^bND, not determined.