Document Detail

Cell surface hydrophobicity and its relation to outer membrane proteins of Serratia marcescens.
MedLine Citation:
PMID:  8641709     Owner:  NLM     Status:  MEDLINE    
Cell surface hydrophobicity measurement of S. marcescens and its two mutants, one having capacity of overproducing the red pigment prodigiosin, while another carrying no pigment, showed that the hydrophobicity, which always increased with ageing of the cells, was not totally due to the pigment present on the surface. The mutant having no pigment always exhibited higher hydrophobicity than that of two pigmented cells, irrespective of whether the experimented cells were of early log phase or static phase. The outer membrane proteins were isolated and characterized by SDS-polyacrylamide gel. The non-pigmented cell outer membrane showed an extra band of protein (approximately 40 K Da molecular weight) besides the other bands common to those of other two pigmented cells. This extra protein of outer membrane may be responsible for higher surface hydrophobicity of non-pigmented mutant of S. marcescens.
S A Mallick
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Indian journal of experimental biology     Volume:  34     ISSN:  0019-5189     ISO Abbreviation:  Indian J. Exp. Biol.     Publication Date:  1996 Feb 
Date Detail:
Created Date:  1996-07-16     Completed Date:  1996-07-16     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0233411     Medline TA:  Indian J Exp Biol     Country:  INDIA    
Other Details:
Languages:  eng     Pagination:  107-10     Citation Subset:  IM    
Department of Biochemistry, S K University of Agricultural Sciences and Technology, Jammu, India.
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MeSH Terms
Bacterial Outer Membrane Proteins / isolation & purification*,  physiology
Cell Membrane / physiology
Serratia marcescens / physiology*,  ultrastructure
Water / chemistry
Reg. No./Substance:
0/Bacterial Outer Membrane Proteins; 7732-18-5/Water

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