Table 2

Biofilm formation and of oral Enterococci and their adherence to abiotic and biotic surfaces

Strains

Identification

Origin

Phenotypes on CRA

Slime production

Mean OD595 ± SD

*OD595

Adherence


Hep-2

A 549


B347

E. faecalis

Caries active

AB

Producer

0.152

0.003

+

Moderately

Moderately

B342

E. faecalis

Caries active

Black

Producer

0.955

0.045

+++

Strongly

Strongly

B358

E. faecalis

Caries active

Brd

Non-producer

0.224

0.008

+

Strongly

Strongly

B403

E. faecalis

Caries active

AB

Producer

0.360

0.011

++

Strongly

Strongly

B310

E. faecalis

Caries active

AB

Producer

0.853

0.009

+++

Strongly

Strongly

B281

E. faecalis

Caries active

AB

Producer

0.508

0.018

+++

Strongly

Strongly

B312

E. faecalis

Caries active

Black

Producer

0.750

0.008

+++

Strongly

Strongly

B345

E. faecalis

Caries active

AB

Producer

0.550

0.026

+++

Strongly

Strongly

B54

E. faecalis

Caries active

Black

Producer

0.367

0.052

++

Strongly

Strongly

B'381

E. faecalis

Caries active

Brd

Non-producer

0.429

0.002

++

Strongly

Strongly

B9

E. faecalis

Caries active

Brd

Non-producer

0.391

0.002

++

Strongly

Strongly

B366

E. faecalis

Caries active

Black

Producer

0.211

0.004

+

Moderately

Weakly

B362

E. faecalis

Caries active

Brd

Non-producer

0.261

0.017

+

Strongly

Moderately

B385

E. faecalis

Caries active

AB

Producer

0.244

0.075

+

Strongly

Moderately

B361

E. faecalis

Caries active

AB

Producer

0.290

0.249

+

Moderately

Moderately

B368

E. faecalis

Caries free

Brd

Non-producer

0.202

0.008

+

Strongly

Strongly

B412

E. faecalis

Caries free

AB

Producer

0.291

0.011

+

Strongly

Moderately

B336

E. faecium

Caries active

Red

Non-producer

0.228

0.001

+

Strongly

Strongly

B346

E. faecium

Caries active

Brd

Non-producer

0.181

0.003

+

Moderately

Moderately

B577

E. faecium

Caries active

Very Black

Producer

0.179

0.035

+

Moderately

Moderately

B215

E. faecium

Caries free

AB

Producer

1.238

0.011

+++

Strongly

Strongly


*Biofilm production: -: non-producer (OD570 < 0.120); +: weak producer (0.120 < OD570 < 0.240; ++: producer (0.240 < OD570 < 0.5); +++: high producer (OD570 > 0.5).

Kouidhi et al. BMC Microbiology 2011 11:155   doi:10.1186/1471-2180-11-155

Open Data