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. 2001 Feb;69(2):719–729. doi: 10.1128/IAI.69.2.719-729.2001

FIG. 6.

FIG. 6

Effect of antibodies in sera raised to asialo-GM1 plus adjuvants on formation of a biofilm by P. aeruginosa PAO1-V. The addition of antibody to asialo-GM1 significantly (P = 0.003, ANOVA and Fisher PLSD) reduced the formation of the biofilm compared with the formation in the absence of antibody or in the presence of normal serum. Adsorption of antibody with either asialo-GM1 antigen or E. coli DH5α, but not adsorption with P. aeruginosa strain PAC557, abrogated the inhibition of biofilm formation (P < 0.001, Fisher PLSD compared to unabsorbed serum). Bars represent the means; error bars are the standard errors.