| Major outer membrane proteins of Pasteurella haemolytica serovars 1-15: comparison of separation techniques and surface-exposed proteins on selected serovars. | |
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MedLine Citation:
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PMID: 8870193 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The Sarkosyl method of obtaining outer membrane proteins (OMPs) from Pasteurella haemolytica A1 was more efficient and less laborious than separating membranes by sucrose gradient centrifugation. More OMPs were recovered and major OMPs were present in greater concentrations in the Sarkosyl-derived preparations. Therefore, OMPs of P. haemolytica serovars 1-15 (serovars 3, 4, 10, and 15 being T biotypes and the remainder being A biotypes) were prepared by the Sarkosyl method and compared by SDS-PAGE. Serovars 1, 2, 5, 6, 7, 8, 11, and 12 which are A biovars had similar OMP profiles characterized by major OMPs of 30.5 and 43 kDa. Biovar T strains were characterized by doublet protein bands in the 26-28 kDa region and a major OMP in the 38-40 kDa range. Serovars 9, 13, and 14, which are also A biovars, had profiles similar, although not identical, to the T biovars. A 43 kDa protein was present in all serovars although concentration was greater in the A biovars. Surface-exposed proteins of P. haemolytica A1 determined by 125I-labeling of whole cells were 94, 84, 53.5, 49, 43, 41, 29.5, and 16 kDa. Iodine-labeling of serovars A2 and A6 which have similar OMP profiles by SDS-PAGE resulted in autoradiographs indistinguishable from A1. These studies expand our knowledge of P. haemolytica OMPs especially showing the utility of the Sarkosyl extraction procedure, variations in OMP profiles among some A biovar strains, and the similarities of OMP profiles and surface-labeled proteins among three of the most important serovars (1, 2, and 6). |
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Authors:
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R J Morton; K R Simons; A W Confer |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. |
Journal Detail:
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Title: Veterinary microbiology Volume: 51 ISSN: 0378-1135 ISO Abbreviation: Vet. Microbiol. Publication Date: 1996 Aug |
Date Detail:
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Created Date: 1997-02-18 Completed Date: 1997-02-18 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 7705469 Medline TA: Vet Microbiol Country: NETHERLANDS |
Other Details:
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Languages: eng Pagination: 319-30 Citation Subset: IM |
Affiliation:
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Department of Veterinary Parasitology, Microbiology, and Public Health, College of Veterinary Medicine, Oklahoma State University, Stillwater 74078, USA. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Autoradiography / methods Bacterial Outer Membrane Proteins / isolation & purification* Cattle Cattle Diseases Cell Membrane / chemistry Centrifugation, Density Gradient / methods Detergents Electrophoresis, Polyacrylamide Gel Iodine Radioisotopes Mannheimia haemolytica / chemistry, classification* Membrane Proteins / isolation & purification Molecular Weight Pasteurella Infections / microbiology, veterinary Sarcosine / analogs & derivatives Solubility Sucrose |
| Chemical | |
Reg. No./Substance:
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0/Bacterial Outer Membrane Proteins; 0/Detergents; 0/Iodine Radioisotopes; 0/Membrane Proteins; 107-97-1/Sarcosine; 57-50-1/Sucrose; 97-78-9/sarkosyl |
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