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Table 2 Biofilm formation and of oral Enterococci and their adherence to abiotic and biotic surfaces

From: Antibiotic resistance and adhesion properties of oral Enterococci associated to dental caries

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
  1. *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).