The multidrug-resistant PMEN1 pneumococcus is a paradigm for genetic success

Table 2 Pneumococcal isolates discussed in the text

Isolate^a	Other name(s)	Year	Serotype	Sequence type	Clonal complex	Penicillin susceptibility^b
PMEN1	ATCC 700669	1984	23F	81	81	I
CGSP14		2004-2005	14	15	15	R
14/5		1967	14	15	15	S
PMEN9	ATCC 700676	1993	14	9	15	S
ICE13		1998	14	9	15	S
ICE570		2002	14	9	15	S
PMEN3	ATCC 700671; SP195	1993	9V	156	156/162	I
9A/1		1962	9A	312	156/162	S
9V/5		1991	9V	162	156/162	S
9V/6		1994	9V	162	156/162	S
PMEN2	ATCC 700670	1988	6B	90	90	I
23F/4		1967	23F	7184	Singleton7184	I
PMEN18	ATCC BAA-340	1997	14	67	66	R
CDC3059-06		2005	19A	199	199	I
CDC0288-04		Unknown	12F	220	218	S
USA18		1999	12F	218	218	S
TIGR4		1991	4	205	205	Unk

^aPMEN refers to Pneumococcal Molecular Epidemiology Network reference strains. ^bS = MIC ≤ 0.06 μg/ml; I = MIC 0.12 to 1 μg/ml; R = MIC ≥ 2.0 μg/ml; Unk = unknown.

ISSN: 1474-760X