BMC Microbiology

Table 1 Prevalence (%) of targeted virulence genes in isolates from freshwater and brackish water samples

From: Occurrence of virulence determinants in vibrio cholerae, vibrio mimicus, vibrio alginolyticus, and vibrio parahaemolyticus isolates from important water resources of Eastern Cape, South Africa

Organisms/Genes	*ctxA*		*Zot*		*vpi*	*toxR*		*ompU*		*Tcp*		*ace*		*hyla*	*rtxA*		*rtxC*		*ctxB*
Vc_Freshwater	AB		AB		27.71	66.27		48.19		8.43		AB		80.72	84.34		84.34		AB
Vc_Brackishwater	AB		3.45		17.24	51.72		27.59		6.90		AB		58.62	68.97		68.97		AB
Vm_Freshwater	AB		AB		64.29	28.57		57.14		AB		AB		28.57	50		50		AB
Vm_Brackishwater	AB		AB		25	12.5		AB		AB		AB		AB	37.5		37.5		AB
Organisms/Genes		*tlh*		*trh*			*tdh*		*vppC*		*vop*		*vgrg*			*hcp*		*vpi*
Va_Freshwater		20		20			AB		AB		AB		AB			AB		AB
Va_Brackishwater		88.33		6.67			15.00		61.67		AB		93.33			93.33		26.67
Vp_Brackishwater		93.75		AB			AB		56.25		6.25		68.75			68.75		43.75

Key: AB = absent, Vc = V. cholerae, Vm = V. mimicus, Va = V. alginolyticus and Vp = V. parahaemolyticus
Note: Results are in percentages

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