Impact of removing two species on community biofilm formation. Biofilm formation was normalized to the full community, which was set at 100 %. The data are from at least three biological experiments each with at least two technical replicates per experiment. The data were analysed by one-way ANOVA with a Dunnett’s post-test with statistical significance (P<0.01) indicated with an asterisk (*). Cm,
C. metallidurans
; Cg,
C. gleum
; Ri,
R. insidiosa
; Mp,
M. populi
; Sp,
S. paucimobilis
; Rp,
R. pickettii
.