Lrp, a global regulator, regulates the virulence of Vibrio vulnificus

Table 3 Vulnibactin levels produced by V. vulnificus strains

Strain	Description	Arnow test	A₅₁₇
YJ016	Wild type	+/−	0.018
YH01	YJ016Δlrp	−	0.002
	Deferrated synbase medium	−	−0.006
	1 mM 2,3-DHBA	+	0.095

Arnow test is used for detection of catechol siderophores. -, negative; +/−, weakly positive (0.005 < A₅₁₇ < 0.02); +, positive (A₅₁₇ > 0.02)
Deferrated synbase medium and 1 mM 2,3-dihydroxybenzoic acid (2,3-DHBA) were used as negative and positive controls, respectively

ISSN: 1423-0127