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Table 2 Biomass (dry-weight) and polysaccharides composition in S. mutans UA159 biofilms after treatments.

From: Influences of naturally occurring agents in combination with fluoride on gene expression and structural organization of Streptococcus mutans in biofilms

Treatments* Dry-weight (mg) Polysaccharides F-ATPase activity**
   Insoluble (μg) Soluble (μg) IPS (μg)  
MFar125F 3.22 ± 0.68 A 0.92 ± 0.33 A 0.24 ± 0.05 A, B 0.17 ± 0.02 A 0.94 ± 0.30 A
MFar250F 3.37 ± 0.55 A 0.98 ± 0.20 A, B 0.22 ± 0.06 A 0.15 ± 0.03 A 1.04 ± 0.27 A
250F 4.50 ± 0.48 B 1.33 ± 0.23 B, C 0.24 ± 0.08 A, B 0.18 ± 0.03 A 0.94 ± 0.19 A
Vehicle control 5.90 ± 0.80 C 1.70 ± 0.25 C 0.30 ± 0.04 B 0.47 ± 0.06 B 0.52 ± 0.08 B
  1. Values (SD, n = 12) in the same column followed by the same letters are not significantly different from each other (p > 0.05, ANOVA, comparison for all pairs using Tukey test).
  2. IPS -- Iodophilic intracellular polysaccharides
  3. * MFar125F - myricetin, tt-farnesol and 125 ppm F; MFar250F - myricetin, tt-farnesol and 250 ppm F; 250F - 250 ppm F; Vehicle control - 20% ethanol containing 2.5% DMSO (v/v).
  4. ** Expressed as μg of phosphate released/mg of protein