Role of Extracellular DNA in Initial Bacterial Adhesion and Surface Aggregation | Zendy

Theerthankar Das | Zendy; Prashant K. Sharma | Zendy; Henk J. Busscher | Zendy; Henny C. van der Mei | Zendy; Bastiaan P. Krom | Zendy

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Role of Extracellular DNA in Initial Bacterial Adhesion and Surface Aggregation

Author(s) -

Theerthankar Das,

Prashant K. Sharma,

Henk J. Busscher,

Henny C. van der Mei,

Bastiaan P. Krom

Publication year - 2010

Publication title -

applied and environmental microbiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.552

H-Index - 324

eISSN - 1070-6291

pISSN - 0099-2240

DOI - 10.1128/aem.03119-09

Subject(s) - biofilm , bacteria , adhesion , extracellular matrix , dna , extracellular , chemistry , extracellular polymeric substance , microbiology and biotechnology , biology , biophysics , biochemistry , genetics , organic chemistry

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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