BioMed Research International / 2015 / Article / Tab 2

Research Article

Diffusion and Persistence of Multidrug Resistant Salmonella Typhimurium Strains Phage Type DT120 in Southern Italy

Table 2

Antimicrobial susceptibility, phage types, pulsotypes, PCR detection of SGI1, class 1 integrons, and resistance genes in S. Typhimurium strains isolated in Southern Italy in 2006–2008.

PulseNet Europe
nomenclature
Phage type
(no. of strains)
Year
(no. of strains)
Resistance
patterna
Class 1
integrons
SGI1
intI1 Gene
cassette(s)
Resistance
gene(s)
Left
junction
Right
junction

STYMXB.0061DT120 (31)2006 (9); 2007 (13); 2008 (9)ACSSuT+aadA2; bla PSE-1floR; sul1; tet(G) ++
U302 (7) 2006 (1); 2008 (4)
2008 (2)
′′ + ′′ ′′ ++
′′ + ′′ ′′ +
RDNC (1)2006 (1) ′′ + ′′ ′′ ++

STYMXB.0113ST193 (3)2006ASuTTpbla TEM; sul2; tet(A); dfrA12
DT35 (2)b ′′ ′′ bla TEM; sul2; tet(A)

STYMXB.0140DT120 (4)2007 (4)ACSSuT+bla OXA-30-aadA1 catA1; sul1; tet(B)

Unnamed 1DT120 (9)2006 (2); 2007 (3)ACSSuT+aadA2;blaPSE-1floR; sul1; tet(G) ++
Unnamed 2 ′′ 2008 (2) ′′ + ′′ ′′ ++
Unnamed 3 ′′ 2008 (2) ′′ +bla OXA-30-aadA1 catA1; sul1; tet(B)
Unnamed 4 ′′ 2007 (2)ACSSuTTp+aadA2; bla PSE-1
dfrA1-aadA1
floR; sul1; tet(G) ++
Unnamed 5DT7varc2007 (1)AKSSuTbla TEM; sul2; strAB; tet(B)
Unnamed 6DT12008 (1)ASSuTbla TEM; sul2; strAB; tet(A)
Unnamed 7U302d2008 (1)ASSuTpbla TEM; sul2; dfrA12

A, ampicillin; C, chloramphenicol; K, kanamycin; S streptomycin; Su, sulfamethoxazole; T, tetracycline; and Tp, trimethoprim.
bThe resistance to Tp was not identified.
cThe resistance to K was not identified.
dThe resistance to S and Tp was not identified.
RDNC: the reaction pattern is not conforming to a recognised phage type.
Key: +, positive; −, negative.

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