Skip to main content

Table 3 Features of biofilms formed by P. gingivalis wild-type strain and mutants in dTSB

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)
45.5 ± 3.5 2.0 ± 0.9 6.9 ± 1.4
KDP150
fimA)
52.5 ± 3.5* 1.7 ± 0.7* 23.7 ± 5.6**
MPG67
mfa1)
35.8 ± 3.6** 2.7 ± 1.6** 20.9 ± 4.4**
MPG4167
fimA Δmfa1)
32.3 ± 3.8** 3.0 ± 1.6** 20.5 ± 4.3**
KDP129
kgp)
39.8 ± 3.2 2.2 ± 1.2 19.6 ± 5.4**
KDP133
rgpA ΔrgpB)
41.0 ± 5.7 2.2 ± 1.0 45.9 ± 4.5**
KDP136
rgpA ΔrgpB Δkgp)
43.0 ± 1.4 2.1 ± 0.8 22.2 ± 2.4**
  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 < 0.05 and **p < 0.01 in comparison with the wild type using a Scheffe test.