Referensstammar för kvalitetskontroll

Reference strains for quality control



Tabellen beskriver ett antal typstammar med definierad resistens. De kan användas i kvalitetskontroll för att testa att metoden fångar de olika resistensmekanismerna.
The table describes a number of defined culture collection strains with known resistance genes and resistance mechanisms.
The strains can be used to ensure that day-to-day methodology discloses the various resistance mechanisms.

 

Bacterial species

ATCC CCUG

SMI

Resistance markers

E.coli 35218 30600 - Beta-lactamase producing (TEM-1)
E.coli - 37381 Ec124 Beta-lactamase producing (TEM-3)
E.coli - 37382 Ec112 Resistant to quinolones and tetracyclines
P.aeruginosa - 37383 Pa3 Resistant to penicillins and cefalosporins
P.aeruginosa - 37384 Pa114 Resistant to quinolones
P.aeruginosa - 37385 Pa170 Resistant to aminoglycosides
P.aeruginosa   37386 Pa184 Resistant to imipenem
K.pneumoniae - 37387 K4 Resistant to gentamicin/tobramycin, intermediate to mecillinam
K.pneumoniae - 37388 K80 Resistant to trim/sulfa, intermediate to quinolones
S.aureus - 35600 Sa 1 MRSA (mecApos), resistant to erythromycin, clindamycin, tetracyclines, trim/sulfa
S.aureus - 35601 Sa58 MRSA (mecA pos), resistant to aminoglycosides, tetracyclines, rifampicin
S.aureus - 35602 Sa161 BORSA (mecA neg, high production of beta-lactamase)
S.aureus - 35603 Sa164 MRSA (mecA pos, heterogeneous), resistant to aminoglycosides, tetracyclines, trim/sulfa
E.faecalis - 37389 Ef40 High-level(HL) gentamicin resistance, beta-lactamase producing, resistant to quinolones
E.faecium - 36804 Ekkr121 Resistant to vancomycin (vanA). Resistant to beta-lactams
E.faecium - 33829 Ekkr123 Resistant to vancomycin (vanB), resistant to aminoglycosides(HL), resistant to beta-lactams
H.influenzae - 23969 RAFM284 Beta-lactamase producing (TEM-1), resistant to chloramphenicol (CAT prod.), tetracyclines, trim/sulfa
H.influenzae 49247 26214 - Non-beta-lactamase producing but betalactam resistant
S.pyogenes - 25570 RAFM26 Resistant to erythromycin
S.pneumoniae 49619 33638 - Intermediate susceptibility to penicillin (MIC 0,25 mg/L)

ATCC = American Type Culture Collection, CCUG = Culture Collection University of Gothenburgh, RAFM=Reference Group of Antibiotics - Subcommittee on Methodology.


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