Volume 21, Number 8—August 2015
Synopsis
Real-Time Microbiology Laboratory Surveillance System to Detect Abnormal Events and Emerging Infections, Marseille, France
Table 2
Summary of the normal phenotypes registered in MARSS*
Bacterial species |
Resistance phenotypes |
β-lactam antibiotics |
||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
AMX |
TIC |
AMC |
TCC |
TZP |
FOX |
OXA |
CRO |
FEP |
CAZ |
IPM |
||
Escherichia coli | ||||||||||||
Wild-type | S | S | S | S | S | S | S | |||||
Low-level penicillinase | I/R | I/R | S | S | S | S | S | |||||
Inhibitor-resistant penicillinase | I/R | I/R | R | R | S | S | S | |||||
High-level penicillinase | I/R | I/R | I/R | I/R | S | S | S | |||||
ESBL | R | R | S/I/R | S/I/R | I/R | I/R | S | |||||
High-level cephalosporinase |
R |
R |
R |
R |
R |
S |
S |
|||||
Klebsiella pneumoniae | Wild-type | S | S | S | S | S | ||||||
ESBL | I/R | I/R | I/R | I/R | S | |||||||
High-level cephalosporinase | I/R | I/R | I/R | S | S | |||||||
ESBL-TZP-sensible |
I/R |
S |
I/R |
I/R |
S |
|||||||
Proteus mirabilis |
Wild | S | S | S | S | S | S | S | ||||
Low-level penicillinase | I/R | I/R | S | S | S | S | S | |||||
Inhibitor-resistant penicillinase | R | R | R | R | S | S | S | |||||
High-level penicillinase | R | R | I/R | I/R | S | S | S | |||||
ESBL | R | R | I/R | I/R | I/R | I/R | S | |||||
High-level cephalosporinase |
R |
R |
R |
R |
R |
S |
S |
|||||
Klebsiella oxytoca |
Wild-type | S | S | S | S | |||||||
ESBL | I/R | I/R | I/R | S | ||||||||
High-level penicillinase | I/R | S/I/R | S | S | ||||||||
Low-level penicillinase | S | R | S | S | ||||||||
ESBL–TZP-sensible |
I/R |
S |
I/R |
S |
||||||||
Enterobacter aerogenes |
Wild-type | S | S | S | S | S | ||||||
Inhibitors-resistant penicillinase | R | R | S | S | S | |||||||
ESBL | S/I/R | I/R | I/R | I/R | S | |||||||
High-level cephalosporinase |
I/R |
I/R |
I/R |
S |
S |
|||||||
Morganella morganii |
Wild-type | S | S | S | S | S | ||||||
Inhibitor-resistant penicillinase | R | R | S | S | S | |||||||
ESBL | S/I/R | I/R | I/R | I/R | S | |||||||
High-level cephalosporinase |
I/R |
I/R |
I/R |
S |
S |
|||||||
Serratia marcescens |
Wild-type | S | S | S | S | S | ||||||
Inhibitor-resistant penicillinase | R | R | S | S | S | |||||||
ESBL | S/I/R | I/R | I/R | I/R | S | |||||||
High-level cephalosporinase |
I/R |
I/R |
I/R |
S |
S |
|||||||
Enterobacter cloacae |
Wild-type | S | S | S | S | S | ||||||
Inhibitor-resistant penicillinase | R | R | S | S | S | |||||||
ESBL | S/I/R | I/R | I/R | I/R | S | |||||||
High-level cephalosporinase |
I/R |
I/R |
I/R |
S |
S |
|||||||
Pseudomonas aeruginosa |
Wild-type | S | S | S | S | S | S | |||||
Penicillinase | R | R/I/S | I/S | S | S | S | ||||||
High-level penicillinase | I/R | I/R | I/R | S | S | S | ||||||
ESBL | I/R | I/R | I/R | I/R | I/R | S | ||||||
Selective permeability to imipenem | S | S | S | S | S | R | ||||||
Penicillinase, loss of D2 porine |
R |
R |
S |
S |
S |
R |
||||||
Acinetobacter baumannii |
Wild-type | S | S | S | S | |||||||
Penicillinase | R | R/I/S | S | S | ||||||||
ESBL |
I/R |
I/R |
I/R |
S |
||||||||
Streptococcus agalactiae |
Wild | S | S | |||||||||
Oxacillin-resistant |
I/R |
S |
||||||||||
Enterococcus faecalis |
Wild-type |
S |
||||||||||
E. faecium |
Wild-type |
I/R |
||||||||||
Staphylococcus aureus |
Wild-type | S | ||||||||||
Methicillin-resistant |
I/R |
|||||||||||
S. epidermidis | Wild-type | S | ||||||||||
Methicillin-resistant | I/R |
*MARSS, Marseille Antibiotic Resistance Surveillance System; AMC, amoxicillin; TIC, ticarcillin; AMC, amoxicillin/clavulanic acid; TIC, ticarcillin/clavulanic acid; TZP, piperacillin/tazobactam; FOX, cefoxitin; OXA, oxacillin; CRO, ceftriaxone; FEP, cefepime; CAZ, ceftazidime; IMP, imipenem; S, susceptible; I, intermediate; R, resistant; ESBL, extended-spectrum β-lactamase.