From: Indole is an inter-species biofilm signal mediated by SdiA
Conditions | Strains | Biomass, μm3/μm2 | Substratum coverage, % | Mean thickness, μm | Roughness coefficient |
---|---|---|---|---|---|
Single species of BW25113 and its isogenic mutant | BW25113 | 9 ± 5 | 8 ± 9 | 24 ± 8 | 0.6 ± 0.4 |
 | BW25113 with DMF (control for indole) | 6.4 ± 3 | 6.5 ± 7 | 21 ± 8 | 0.5 ± 0.5 |
 | BW25113 with 500 μM indole | 4 ± 1.5 | 18 ± 6 | 25 ± 6 | 0.9 ± 0.6 |
 | BW25113 trpE | 30 ± 7 | 13 ± 6 | 46 ± 3.5 | 0.3 ± 0.1 |
Dual species with TOM | P. fluorescens 2-79TOM/pHKT3 | 0.06 ± 0.05 | 0.90 ± 0.56 | 0.14 ± 0.13 | 1.97 ± 0.02 |
 | E. coli K-12 XL1-Blue/pCM18 | 6.63 ± 2.67 | 21.52 ± 10.49 | 13.95 ± 5.67 | 0.90 ± 0.34 |
Dual species without TOM | P. fluorescens 2-79/pHKT3 | 0.03 ± 0.01 | 0.64 ± 0.16 | 0.04 ± 0.02 | 1.99 ± 0.01 |
 | E. coli K-12 XL1-Blue/pCM18 | 0.56 ± 0.51 | 1.81 ± 1.23 | 1.04 ± 0.68 | 1.87 ± 0.06 |