Research Article

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

Table 3

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

Source (number) of isolates% (number) of isolates for the following virulence factor genes:
gelEasa1espcylAhylNone

PR beach water (108)98.1%(106)44.4%(48)11.1%(12)3.3%(3)0.0%(0)19.4%(21)
SC beach water (8)100.0%(8)12.5%(1)0.0%(0)12.5%(1)0.0%(0)0.0%(0)
SC wrack (5)100.0%(5)20.0%(1)0.0%(0)0.0%(0)0.0%(0)0.0%(0)
SC eelgrass (5) 80.0%(4)0.0%(0)0.0%(0)0.0%(0)0.0%(0)20.0%(1)
SC urban runoff (20)70.0%(14)10.0%(2)5.0%(1)0.0%(0)0.0%(0)30.0%(6)
SC sewage influent (6)50.0%(3)50.0%(3)16.7%(1)16.7%(1)0.0%(0)33.3%(2)
SC sewage effluent (6)83.3%(5)0.0%(0)0.0%(0)0.0%(0)0.0%(0)16.7%(1)
PR septage (19)21.0%(4)5.3%(1)0.0%(0)5.3%(1)5.3%(1)73.7%(14)
SC dog (7)85.7%(6)42.9%(3)28.6%(2)0.0%(0)0.0%(0)0.0%(0)
SC bird (9) 100.0%(9)55.5%(5)0.0%(0)0.0%(0)0.0%(0)0.0%(0)
PR human, nonclinical (5)100.0%(5)100.0%(5)40.0%(2)60.0%(3)0.0%(0)44.4%(2)
SC human, nonclinical (15)100.0%(15)66.7%(10)33.3%(5)13.3%(2)0.0%(0)0.0%(0)
PR human, clinical (42)71.4%(30)50.0%(21)33.3%(14)19.0%(8)0.0%(0)7.1%(3)
SC human, clinical (10)90.0%(9)90.0%(9)30.0%(3)70.0%(7)0.0%(0)10.0%(1)