Virulence Genes among Enterococcus faecalis and Enterococcus faecium Isolated from Coastal Beaches and Human and Nonhuman Sources in Southern California and Puerto Rico

Table 4

Distribution of virulence factor genes among E. faecium isolates from Southern California (SC) and Puerto Rico (PR).

Source (number) of isolates	% (number) of isolates for the following virulence factor genes:
	gelE		asa1		esp		cylA		hyl		None
SC beach water (10)	0.0%	(0)	0.0%	(0)	0.0%	(0)	0.0%	(0)	0.0%	(0)	100%	(1)
PR beach water (32)	37.5%	(12)	25.0%	(8)	0.0%	(0)	0.0%	(0)	0.0%	(0)	62.5%	(20)
SC wrack (5)	0.0%	(0)	0.0%	(0)	0.0%	(0)	0.0%	(0)	0.0%	(0)	100%	(5)
SC eelgrass (3)	33.0%	(1)	0.0%	(0)	0.0%	(0)	0.0%	(0)	0.0%	(0)	67.0%	(2)
SC sand (5)	0.0%	(0)	0.0%	(0)	0.0%	(0)	0.0%	(0)	0.0%	(0)	100%	(5)
SC urban runoff (8)	50.0%	(4)	0.0%	(0)	0.0%	(0)	0.0%	(0)	0.0%	(0)	50.0%	(4)
SC sewage influent (3)	0.0%	(0)	0.0%	(0)	0.0%	(0)	0.0%	(0)	0.0%	(0)	100%	(3)
SC sewage effluent (11)	9.1%	(0)	0.0%	(0)	0.0%	(0)	0.0%	(0)	0.0%	(0)	90.9%	(10)
PR septage (26)	0.0%	(0)	0.0%	(0)	0.0%	(0)	0.0%	(0)	0.0%	(0)	100%	(26)
SC dog (3)	0.0%	(0)	0.0%	(0)	0.0%	(0)	0.0%	(0)	0.0%	(0)	100%	(3)
SC bird (8)	0.0%	(0)	0.0%	(0)	37.5%	(3)	0.0%	(0)	0.0%	(0)	62.5%	(5)
PR human, nonclinical (4)	0.0%	(0)	0.0%	(0)	0.0%	(0)	0.0%	(0)	0.0%	(0)	100%	(4)
SC human, nonclinical (8)	0.0%	(0)	0.0%	(0)	12.5%	(1)	0.0%	(0)	0.0%	(0)	87.5%	(7)
PR human, clinical (11)	0.0%	(0)	0.0%	(0)	72.7%	(8)	0.0%	(0)	0.0%	(0)	0.0%	(0)
SC human, clinical (5)	0.0%	(0)	0.0%	(0)	83.3%	(4)	0.0%	(0)	0.0%	(0)	16.7%	(1)
SC vancomycin resistant enterococci (10)	0.0%	(0)	0.0%	(0)	80.0%	(8)	0.0%	(0)	10.0%	(1)	10.0%	(1)