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Table 1 Enterococcus cecorum isolates included in this study, their phenotypic and genotypic properties, chicken embryo lethality and serotype

From: Comparison of pathogenic and non-pathogenic Enterococcus cecorum strains from different animal species

PCR results for virulence genes

Isolate number

Animal species/production type

Classification of isolateb

Colony morpholgy

D-mannitol metabolism

Cytolysin (cylA)

Enterococcal surface protein (esp)

Aggregation substance (asa1)

Hyaluronidase (hyl)

Gelatinase (gelE)

Cell wall adhesin of E. faecium (efaAfm)

Cell wall adhesin of E. faecalis (efaAfs)

Sex pheromone (ccf)

Chicken embryo lethality in %e

Serotypef

x288/5-95

Broiler

Commensal

SCVc

-

-

-

+

-

-

-

-

-

20.0

n.t.g

09/309/1/A

Broiler

Pathogenic

Nd

-

-

-

-

-

-

-

-

-

0.0

n.t.

09/310/1/A

Broiler

Pathogenic

N

-

-

+

-

+

+

-

-

-

60.0

n.t.

12/673/4/A

Broiler

Pathogenic

N

-

-

-

-

-

-

-

-

-

6.7

n.t.

13/655/2/B

Broiler

Commensal

N

-

-

+

+

-

+

-

+

-

100.0

n.t.

13/655/3/B

Broiler

Commensal

N

-

-

-

-

-

+

-

-

-

25.0

n.t.

14/086/4/A

Broiler

Pathogenic

N

-

-

-

-

-

-

-

-

-

86.7

n.t.

14/086/9/A

Broiler

Pathogenic

N

-

-

-

-

-

-

-

-

-

53.3

n.t.

14/093/1/A

Broiler

Pathogenic

N

-

-

-

-

-

-

-

-

-

35.7

n.t.

14/166/2/A

Broiler

Pathogenic

N

-

-

-

-

-

-

-

-

-

80.0

2

14/359/1/A

Broiler

Pathogenic

N

-

-

-

-

-

-

-

-

-

33.3

n.t.

15/218/1/A

Broiler

Pathogenic

N

-

-

-

-

-

+

-

-

-

6.7

2

15/827/1/A

Broiler

Pathogenic

N

-

-

-

-

-

-

-

-

-

80.0

2

15/828/1/A

Broiler

Pathogenic

N

-

-

-

-

-

-

-

-

-

46.2

1

15/839/1/A

Broiler

Pathogenic

N

-

-

-

-

-

-

-

-

-

46.7

2

x829/5c-01

Pekin duck

Commensal

SCV

-

-

-

-

-

-

-

-

-

0.0

2

x1610/1-01

Pekin duck

Commensal

SCV

-

-

-

-

-

-

-

-

-

0.0

n.t.

10/063/20/A

Pekin duck

Pathogenic

N

-

-

+

-

+

-

-

-

-

53.3

2

13/698/3/B

Pekin duck

Commensal

N

-

-

+

-

-

-

-

-

-

8.3

2

14/456/2/A

Pekin duck

Commensal

N

-

-

-

-

-

-

-

-

-

13.3

n.t.

D07-797-90/61

Pekin duck

Pathogenic

N

-

-

+

-

+

+

-

-

-

60.0

1

D09-367-6

Pekin duck

Commensal

N

-

-

-

-

-

-

-

-

-

0.0

n.t.

D10-455-1

Pekin duck

Pathogenic

N

-

-

-

-

-

-

-

-

-

46.6

2

D11-0675-2-8-3

Pekin duck

Pathogenic

N

-

-

-

-

-

-

-

-

-

0.0

n.t.

D12-0364-1-1-1

Pekin duck

Pathogenic

N

-

-

-

-

-

-

-

-

-

64.3

n.t.

D14-2291-5-7-1

Pekin duck

Pathogenic

N

-

-

-

-

-

-

-

-

-

0.0

2

x204/2b-95

Laying hen

Commensal

N

-

-

-

-

-

-

-

-

-

20.0

n.t.

x242/3-96

Laying hen

Commensal

SCV

-

-

-

+

-

-

-

-

-

0.0

2

12/284/4/A

Laying hen

Commensal

N

-

-

+

-

-

+

-

-

-

6.7

n.t.

13/428/1/A

Laying hen

Commensal

N

+

-

-

-

-

-

-

-

-

28.6

n.t.

13/429/1/A

Laying hen

Commensal

N

+

-

-

-

-

-

-

-

-

46.6

n.t.

15/308/6/D

Laying hen

Commensal

N

-

-

-

-

-

-

-

-

-

0.0

n.t.

x150/2-95

Turkey

Commensal

N

-

-

-

-

-

-

-

-

-

0.0

2

D11-0325-3-1-2

Turkey

Pathogenic

N

-

-

-

-

-

-

-

-

-

20.0

1

D11-1088-2-1-1

Turkey

Commensal

N

-

-

-

-

-

-

-

-

-

33.3

n.t.

D12-0108-3-3-3

Turkey

Commensal

N

-

-

-

-

-

-

-

-

-

13.3

n.t.

D13-0112-3-1-2

Turkey

Commensal

N

-

-

-

-

-

-

-

-

-

13.3

1

x459/1-95

Pigeon

Commensal

N

+

-

-

+

-

-

-

-

+

0.0

1

14/022/1/A

Pigeon

Commensal

N

-

-

-

-

-

-

-

-

-

0.0

1

D12-0869-2-1-1

Pigeon

Commensal

N

+

-

-

-

-

-

-

-

-

0.0

1

D14-1051-5-1-4

Pigeon

Commensal

N

-

-

-

-

-

-

-

-

-

6.7

n.t.

D12-0239-4-1-2

Cattle

Commensal

N

+

-

-

-

-

-

-

-

-

66.7

1

D12-1662-1-14-1

Cattle

Commensal

N

+

-

-

-

-

-

-

-

-

20.0

n.t.

D11-0174-10-1-3

Swine

Commensal

N

+

-

-

-

-

-

-

-

-

93.3

n.t.

D13-0364-1-1-4

Swine

Commensal

N

+

-

-

-

-

+

-

-

-

13.3

2

x23/1-95

Budgerigar

Commensal

N

+

-

-

-

-

-

-

-

+

13.3

2

12/437/1/C

Goose

Commensal

N

-

-

-

-

-

+

-

-

+

6.7

n.t.

14/1103/1/A

Human

Pathogenic

N

-

-

-

-

-

-

-

-

-

13.3

n.t.

10/704/4/A

Muscovy duck

Pathogenic

N

-

-

-

-

-

-

-

+

+

40.0

n.t.

x495/3-95

Swan

Commensal

SCV

-

-

-

-

-

-

-

-

-

0.0

1

DSM 20682 a

Chicken

Commensal

N

-

-

+

-

+

-

-

-

-

63.6

n.t.

  1. aType strain; other strain collection numbers: ATCC 43198, NCDO 2674. bBased on source of isolation and presence of clinical signs/pathology. cSmall colony variant strains of Enterococcus cecorum. dNormal colony morphology. e15 chicken eggs per isolate were inoculated with 102 CFU/egg into the allantoic cavity and examined for embryonic death for 7 days post inoculation. fTwo different antisera were produced from field strains D07-797-90/61 (Pekin duck, serotype 1) and 15/827/1/A (broiler, serotype 2) and isolates were tested using the slide agglutination procedure. gNon-typeable with the two produced antisera
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BMC Microbiology

ISSN: 1471-2180

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