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Table 1 General features of all bacterial strains isolated from urban birds from the different investigated sites of Marseille city

From: Investigation of urban birds as source of β-lactamase-producing Gram-negative bacteria in Marseille city, France

Strain name

Isolates

Sources

Sites

Antibiotic resistance phenotype

MICCT (µg/ml)

blaCTX-M genea

blaTEM genea

MLST

Bacterial strains isolated from the MacConkey agar

 B11

Escherichia coli

Yellow-legged gull

Site 1

AX, AMC, CRO, FEP, STX, CIP

0.25

CTX-M-15

ST10

 B32

Escherichia coli

Chicken

Site 2

AX, AMC, CRO, FEP, STX, CN

0.25

TEM-1

ST1652

 B60

Escherichia coli

Yellow-legged gull

Site 3

AX, AMC, CRO, FEP, STX

0.25

CTX-M-15

ST38

 A61

Escherichia coli

Pigeon

Site 2

AX, KF, CRO, FEP

0.25

CTX-M-15

ST34

 B62

Escherichia coli

Yellow-legged gull

Site 3

AX, AMC, CRO, FEP

0.25

CTX-M-1

TEM-1

ST857

 B62

Cronobacter sakazakii

Yellow-legged gull

Site 3

AX, AMC, CRO, FF

0.25

TEM-1

 B34

Pseudomonas aeruginosa

Chicken

Site 2

AX, KF, CRO, F, STX

0.25

TEM-1

Bacterial strains isolated from the LBJMR agar

 B42

Hafnia alvei

Chicken

Site 2

AX, AMC, KF, CT

8

 B02

Hafnia alvei

Yellow-legged gull

Site 1

AX, AMC, KF, CT

4

 B04

Hafnia alvei

Yellow-legged gull

Site 1

KF, CT

4

 B11

Hafnia alvei

Yellow-legged gull

Site 1

AX, AMC, KF, CT

4

 B21

Hafnia alvei

Yellow-legged gull

Site 4

KF, CT

4

 B47

Hafnia alvei

Chicken

Site 2

AX, AMC, KF, CT

4

 B59

Hafnia alvei

Yellow-legged gull

Site 3

AX, AMC, KF, FF, F, CT

4

 A63

Hafnia alvei

Pigeon

Site 2

AX, AMC, KF, FF, F, CT

4

 A61

Panteoa ananatis

Pigeon

Site 2

AX, AMC, KF, FF, F, CT

> 256

 B05

Proteus hauseri

Yellow-legged gull

Site 1

F, CT

> 256

 B22

Serratia marcescens

Yellow-legged gull

Site 4

F, CT

> 256

 B36

Providencia alcalifaciens

Chicken

Site 2

F, CT

> 256

  1. Site 1: Palais Longchamp; Site 2: Parc 26e Centenaire; Site 3: Plage Estaque; Site 4 : Parc Borely
  2. AX amoxicillin, AMC amoxicillin–clavulanic acid, KF cefalotin, CRO ceftriaxone, FEP cefepime, ERT ertapenem, IMP imipenem, FF fosfomycin, F nitrofurantoin, SXT trimethoprim–sulfamethoxazole, CIP ciprofloxacin, CT colistin, CN gentamycin, ST sequence type
  3. aObtained β-lactamase sequences were compared with reference protein sequences of bets hit sequences which were blaCTX-M-15 (JQ686199); blaCTX-M-1 (X92506); and blaTEM-1 (JQ735917) (cf. Additional file 2)