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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

(ΔfimA)

52.5 ± 3.5*

1.7 ± 0.7*

23.7 ± 5.6**

MPG67

(Δmfa1)

35.8 ± 3.6**

2.7 ± 1.6**

20.9 ± 4.4**

MPG4167

(ΔfimA Δmfa1)

32.3 ± 3.8**

3.0 ± 1.6**

20.5 ± 4.3**

KDP129

(Δkgp)

39.8 ± 3.2

2.2 ± 1.2

19.6 ± 5.4**

KDP133

(ΔrgpA ΔrgpB)

41.0 ± 5.7

2.2 ± 1.0

45.9 ± 4.5**

KDP136

(ΔrgpA 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.
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BMC Microbiology

ISSN: 1471-2180

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