TABLE 2.

Four-species biofilm formation in the presence of cell-free supernatants

Isolate replaced by its supernatantBiofilm formationaRelative biofilm formation (%)
None3.1 ± 0.18100.0
Microbacterium phyllosphaerae (2.04)2.8 ± 0.0488.7
Shewanella japonica (2.12)1.5 ± 0.2846.8
Dokdonia donghaensis (2.3)1.6 ± 0.2351.9
Acinetobacter lwoffii (2.34)3.0 ± 0.2794.8
  • a The biofilm biomass was quantified by staining with crystal violet and absorbance measurements. Values represent means ± standard errors for four replicates (biofilm OD600/planktonic OD600).