BMC Infectious Diseases

Table 1 Susceptibility of four PPNG isolates producing TEM-220 β-lactamase and PPNG strains containing the T539C substitution in the bla _TEM allele

From: Prevalence of bla _TEM-220 gene in Penicillinase-producing Neisseria gonorrhoeae strains carrying Toronto/Rio plasmid in Argentina, 2002 – 2011

			MIC (μg/ml)
Antimicrobial agent	^aT539C		TEM-220
	^bMIC₅₀	^cMIC₉₀	Isolate 1	Isolate 2	Isolate 3	Isolate 4
Penicillin	64	128	32	64	32	64
Ampicillin	128	256	64	128	128	128
Cefuroxime	0,25	0,5	0,125	0,125	0,125	0,125
Cefixime	0,016	0,016	0,008	0,008	0,008	0,008
Ceftriaxone	0,004	0,008	0,008	0,004	0,008	0,004
Tetracycline	1	4	0,5	1	1	1
Ciprofloxacin	0,004	0,008	0,002	0,004	0,004	0,004
Azithromycin	0,25	0,25	0,25	0,25	0,25	0,25

^aNumber of PPNG isolates containing the T539C substitution (n = 137)
^bMIC₅₀ : MIC of inhibition of 50 % of strains
^cMIC₉₀: MIC of inhibition of 90 % of strains

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ISSN: 1471-2334

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