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Comparative Study
. 1987 Aug;53(8):1893-7.
doi: 10.1128/aem.53.8.1893-1897.1987.

The role of bacterial cell wall hydrophobicity in adhesion

M C van Loosdrecht  1 , J Lyklema, W Norde, G Schraa, A J Zehnder
Affiliations
Comparative Study

The role of bacterial cell wall hydrophobicity in adhesion

M C van Loosdrecht et al. Appl Environ Microbiol. 1987 Aug.

Abstract

In this study, the adhesion of bacteria differing in surface hydrophobicity was investigated. Cell wall hydrophobicity was measured as the contact angle of water on a bacterial layer collected on a microfilter. The contact angles ranged from 15 to 70 degrees. This method was compared with procedures based upon adhesion to hexadecane and with the partition of cells in a polyethylene glycol-dextran two-phase system. The results obtained with these three methods agreed reasonably well. The adhesion of 16 bacterial strains was measured on sulfated polystyrene as the solid phase. These experiments showed that hydrophobic cells adhered to a greater extent than hydrophilic cells. The extent of adhesion correlated well with the measured contact angles (linear regression coefficient, 0.8).

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References

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