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Table 1 Features of biofilms formed by P. gingivalis wild-type strain and mutants in PBS

From: Distinct roles of long/short fimbriae and gingipains in homotypic biofilm development by Porphyromonas gingivalis

  Peak parametersa)
Strain Number of peaks Mean distance between peaks (μm) Mean peak height (μm)
ATCC33277
(wild type)
28.5 ± 3.3 3.0 ± 0.2 2.8 ± 0.4
KDP150
fimA)
14.7 ± 2.4** 5.4 ± 1.0** 2.7 ± 0.8
MPG67
mfa1)
29.3 ± 2.0 3.6 ± 0.2 16.6 ± 0.8**
MPG4167
fimA Δmfa1)
30.5 ± 1.9 3.1 ± 0.2 12.7 ± 0.5**
KDP129
kgp)
25.5 ± 2.1 3.6 ± 0.3 12.7 ± 1.3**
KDP133
rgpA ΔrgpB)
13.0 ± 2.6** 8.4 ± 1.3** 23.2 ± 2.8**
KDP136
rgpA ΔrgpB Δkgp)
30.5 ± 2.4 3.2 ± 0.2 12.7 ± 0.7**
  1. a) Number of peaks was evaluated in an area sized 90 (x axis) × 2 (y axis) μm. The mean ± SE of 10 areas was shown.
  2. **p < 0.01 in comparison with the wild type using a Scheffe test.