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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

(ΔfimA)

14.7 ± 2.4**

5.4 ± 1.0**

2.7 ± 0.8

MPG67

(Δmfa1)

29.3 ± 2.0

3.6 ± 0.2

16.6 ± 0.8**

MPG4167

(ΔfimA Δmfa1)

30.5 ± 1.9

3.1 ± 0.2

12.7 ± 0.5**

KDP129

(Δkgp)

25.5 ± 2.1

3.6 ± 0.3

12.7 ± 1.3**

KDP133

(ΔrgpA ΔrgpB)

13.0 ± 2.6**

8.4 ± 1.3**

23.2 ± 2.8**

KDP136

(ΔrgpA 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.
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BMC Microbiology

ISSN: 1471-2180

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