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Effects of DNP on the cell surface properties of marine bacteria and its implication for adhesion to surfaces

DRS at CSIR-National Institute of Oceanography

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Title Effects of DNP on the cell surface properties of marine bacteria and its implication for adhesion to surfaces
 
Creator Jain, A.
Nishad, K.K.
Bhosle, N.B.
 
Subject Biofilm
2, 4-dinitrophenol
hydrophobicity
surface charge
extracelluar polysaccharides
cell attachment
 
Description The effect of 2, 4-dinitrophenol (DNP) on extracelluar polysaccharides (EPS), cell surface charge, and hydrophobicity of six marine bacterial cultures was studied, and its influence on attachment of these bacteria to glass and polystyrene was evaluated. Interestingly, after DNP treatment there was a significant decrease in the hydrophobicity of both hydrophobic (p = 0.01) and hydrophilic (p = 0.05) cultures, whereas no significant change was observed in the cell surface charge and EPS production of these cultures. DNP treatment resulted in significant reduction in the attachment of all the six cultures to glass (p = 0.02) and polystyrene (p = 0.03). Moreover, hydrophobicity but not the cell surface charge and EPS production, influenced bacterial cells attachment to glass and polystyrene. From this study, it was evident that DNP treatment influenced bacterial cell surface hydrophobicity, which in turn, reduced bacterial adhesion to surfaces.
 
Date 2007-08-26T07:16:05Z
2007-08-26T07:16:05Z
2007
 
Type Journal Article
 
Identifier Biofouling, vo.23(3-4); 171-177p.
http://drs.nio.org/drs/handle/2264/650
 
Language en
 
Rights This is a preprint of an article whose final and definitive form has been published in the "Biofouling" ? 2006 Taylor & Francis; "Biofouling" is available online at http://www.informaworld.com/ with open URL of artilce : http://www.informaworld.com/openurl?genre=article&issn=0892-7014&volume=23&spage=171
 
Format 134692 bytes
application/pdf
 
Publisher Taylor & Francis