Article
Role of extracellular DNA in initial bacterial adhesion and surface aggregation.
Applied and environmental microbiology - 1 May 2010
Das Theerthankar, Sharma Prashant K, Busscher Henk J, van der Mei Henny C, Krom Bastiaan P
Abstract excerpt
Extracellular DNA (eDNA) is an important component of the biofilm matrix. We show that removal of eDNA from Gram-positive bacteria reduces initial adhesion to and aggregation of bacteria on surfaces. Thermodynamic analyses indicated that eDNA introduces favorable acid-base interactions, explaining the effect of eDNA on aggregation and adhesion to the surface.
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