Document Detail

Maltoporins and maltose-binding proteins of Yersinia enterocolitica.
MedLine Citation:
PMID:  8436943     Owner:  NLM     Status:  MEDLINE    
Two components of the Yersinia enterocolitica maltose transport system, maltoporin (OmpM) and an osmotically shockable periplasmic maltose-binding protein (MBP) were identified. The synthesis of OmpM (apparent Mr 43,000) and transport of maltose into cells of Y. enterocolitica were induced by maltose and maltodextrins. A mutant lacking OmpM was drastically impaired in maltose transport, independent of induction by maltose. The MBP of Y. enterocolitica (apparent Mr 40,000) was found in the osmotic shock fluid. Its synthesis was induced by maltose. Moreover, rabbit antibodies raised against the MBP of E. coli cross-reacted with the analogous protein from Y. enterocolitica. The MBP of Y. enterocolitica restored the maltose transport activities in delta malE mutant cells of E. coli.
K Brzostek; H Heleszko; J Hrebenda
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of general microbiology     Volume:  139     ISSN:  0022-1287     ISO Abbreviation:  J. Gen. Microbiol.     Publication Date:  1993 Feb 
Date Detail:
Created Date:  1993-03-25     Completed Date:  1993-03-25     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0375371     Medline TA:  J Gen Microbiol     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  195-201     Citation Subset:  IM    
Institute of Microbiology, Warsaw University, Poland.
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MeSH Terms
ATP-Binding Cassette Transporters*
Bacterial Outer Membrane Proteins / biosynthesis,  chemistry,  metabolism*
Bacterial Proteins / biosynthesis,  chemistry,  metabolism*
Biological Transport
Carrier Proteins / biosynthesis,  chemistry,  metabolism*
Escherichia coli Proteins*
Maltose / metabolism*
Molecular Weight
Monosaccharide Transport Proteins*
Osmotic Pressure
Periplasmic Binding Proteins*
Receptors, Virus / biosynthesis,  chemistry,  metabolism*
Yersinia enterocolitica / chemistry,  metabolism*
Reg. No./Substance:
0/ATP-Binding Cassette Transporters; 0/Bacterial Outer Membrane Proteins; 0/Bacterial Proteins; 0/Carrier Proteins; 0/Escherichia coli Proteins; 0/MalE protein, E coli; 0/Monosaccharide Transport Proteins; 0/Periplasmic Binding Proteins; 0/Porins; 0/Receptors, Virus; 0/maltoporins; 0/maltose transport system, E coli; 0/maltose-binding protein; 69-79-4/Maltose

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