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Table 1 Bacterial panel used to evaluate the specificity and sensitivity of the real-time PCR assay

From: A robotic DNA purification protocol and real-time PCR for the detection of Enterobacter sakazakii in powdered infant formulae

Species/Serotypes

nb

Strains (source)

Species/Serotypes

nb

Strains (source)

Enterobacter sakazakii

35

ATCC 29544 (CIP)

Salmonella Hadar

2

(AFSSA)

  

CIP 104951 (CIP)

Salmonella Typhimurium

2

(AFSSA, BgVV)

  

CIP 104952 (CIP)

Salmonella Typhi

1

(AFSSA)

  

ES 1, ES 2, ES 5,

Salmonella Kottbuss

1

(AFSSA)

  

ES 9, ES 10, ES 16,

Salmonella Virchow

1

(AFSSA)

  

ES 17, ES 18, ES 19,

Salmonella Derby

1

(AFSSA)

  

ES 20, ES 23, ES 28,

Salmonella Enteritidis

2

(AFSSA, BgVV)

  

ES 29, ES 30, ES 32,

Salmonella Bredeney

1

(BgVV)

  

ES 34, ES 37, ES 40,

Salmonella Agona

1

(AFSSA)

  

ES 41, ES 44, ES 52,

Salmonella Indiana

1

(AFSSA)

  

ES 53 (IFF)

Salmonella Saintpaul

1

(AFSSA)

  

ES8110043 (BM)

Salmonella Montevideo

1

(AFSSA)

  

ES8311015 (BM)

Salmonella Anatum

1

(AFSSA)

  

ES8704047 (BM)

Salmonella Dublin

1

(BgVV)

  

ATCC 51329 (BM)

Salmonella (II)

1

(BgVV)

  

ES8405628 (BM)

Salmonella Senftenberg

1

(AFSSA)

  

ES810726 (BM)

Salmonella (IIIa)

1

(AFSSA)

  

HMPL118 (AFSSA)

Salmonella (IIIb)

1

(BgVV)

  

HMPL194 (AFSSA)

Salmonella Arizonae

1

(AFSSA)

  

HMPL1937 (AFSSA)

Serratia fonticola

1

CIP 78.64 (CIP)

  

HMPL1740 (AFSSA)

Serratia liquefaciens

4

(CTSCCV, AFSSA)

Enterobacter gergoviae

1

ATCC 33028 (CIP)

Serratia marcescens

3

(AFSSA)

Enterobacter hormaechei

1

ATCC 49162 (CIP)

Raoultella planticola

1

CIP 81.36 (CIP)

Enterobacter kobei

1

ATCC BAA-260 (CIP)

Yersinia enterocolitica

2

(AFSSA)

Enterobacter pyrinus

1

ATCC 49851 (CIP)

Aeromonas putrefaciens

1

(AFSSA)

Enterobacter sp.

1

CIP 53.120 (CIP)

Aeromonas hydrophila

1

(AFSSA)

Enterobacter amnigenus

4

(CTSCCV, AFSSA)

Acinetobacter sp.

1

(AFSSA)

Enterobacter cloacae

18

(AFSSA)

Acinetobacter baumanii

1

CIP 70.34 (CIP)

Enterobacter aerogenes

5

(AFSSA)

Acinetobacter johnsonii

1

(AFSSA)

Enterobacter agglomerans

4

(AFSSA)

Acinetobacter lwoffii

1

CIP 104272 (CIP)

Enterobacter intermedius

3

(AFSSA)

Pseudomonas fluorescens

2

(AFSSA)

Citrobacter freundii

8

(AFSSA)

Pseudomonas aeruginosa

2

(AFSSA)

Citrobacter koseri

6

i.e. ATCC 27028 (CIP, AFSSA)

Stenotrophomonas maltophilia

1

(AFSSA)

Citrobacter sp.

1

(AFSSA)

Campylobacter jejuni

2

CCUG 11284

Citrobacter farmeri

1

(AFSSA)

Alcaligenes tolerans

1

CIP55.94 (CIP)

Escherichia coli

(i.e. O86; O127:H6; O157:H7;

O55; O145; O113:H2; O103)

12

i.e. NCTC12900 (AFSSA)

Alcaligenes faecalis

1

CIP62.32 (CIP)

   

Listeria monocytogenes

5

i.e. clip 74902 (CIP, AFSSA)

Escherichia vulneris

1

(AFSSA)

Listeria innocua

1

(AFSSA)

Escherichia hermanii

1

(AFSSA)

Listeria weshimeri

1

ATCC 35897

Escherichia fergusonnii

1

(AFSSA)

Listeria seeligeri

1

Clip 12513 (CIP)

Buttiauxella agrestis

1

(AFSSA)

Listeria ivanovii

1

Clip 74915 (CIP)

Hafnia alvei

5

(AFSSA)

Enterococcus faecalis

2

(AFSSA)

Klebsiella pneumoniae

8

ATCC 13883

Enterococcus faecium

1

(AFSSA)

Klebsiella terrigena

1

(CTSCCV)

Bacillus cereus

4

(AFSSA)

Klebsiella oxytoca

3

(AFSSA)

Bacillus subtilis

1

CIP52.65 (CIP)

Morganella. morganii

1

(AFSSA)

Bacillus megaterium

1

(AFSSA)

Pantoea sp.

3

(AFSSA)

Bacillus lentus

1

(AFSSA)

Pantoea agglomerans

1

ATCC 27155

Staphylococcus aureus

3

i.e. ATCC 700699

Providencia alcalifaciens

1

(AFSSA)

Staphylococcus haemolyticus

1

CIP 81.56 (CIP)

Providencia stuartii

1

(AFSSA)

Staphylococcus simulans

1

CIP 81.64 (CIP)

Proteus vulgaris

2

(AFSSA)

Staphylococcus lentus

1

CIP 81.63 (CIP)

Proteus morganii

3

(AFSSA)

Staphylococcus equorum

1

CIP 103502 (CIP)

Proteus mirabilis

2

(AFSSA)

Staphylococcus capitis

1

CIP 81.53 (CIP)

Photorhabdus luminescens

1

TTO1 (CIP)

Streptococcus dysgalactiae

1

CIP 102914 (CIP)

Shigella sonnei

2

(AFSSA)

Streptococcus equinus

1

CIP 103232 (CIP)

Shigella flexneri

1

ATCC 12022

Streptococcus bovis

1

CIP 102302 (CIP)

  1. IFF : 22 isolates from infant formulae factories, kindly provided by A. Leclercq (Institut Pasteur, Paris, France); BM : bioMérieux (Craponne, France) kindly provided by I. Desforges; BgVV: Bundesinstitut für gesundheitlichen Verbraucherschutz und Veterinärmedizin (Germany); CTSCCV: Centre Technique de la Salaison, de la Charcuterie et des Conserves de Viandes (Maisons Alfort, France); CIP : Culture Collection of Institut Pasteur (Paris, France); AFSSA : Agence Française de Sécurité Sanitaire des Aliments (Maisons-Alfort, France).