| Propionibacterium species diversity in Leerdammer cheese. | |
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MedLine Citation:
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PMID: 7986677 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Thirteen 'classical' Propionibacterium strains, isolated from Leerdammer cheese samples, using three different media were characterized phenotypically. The phenotypic data of 74 tests, conducted on 27 propionibacteria, including four type, 10 reference strains and the 13 cheese isolates were analysed by numerical taxonomical techniques, using the simple matching coefficient and single linkage cluster analysis. All the strains were grouped in four major clusters, with a final linkage at the 81% S-level. The clusters were equated with the 'classical' P. acidipropionici, P. freudenreichii, P. jensenii and P. thoenii species. The species were identified by relating them to specific type strains and by comparison of phenotypic characteristics. Differential characteristics of each cluster were determined. Strains of P. acidipropionici, P. freudenreichii and P. jensenii, but no P. thoenii strains were isolated from the Leerdammer cheese samples. No 'cutaneous' propionibacteria were isolated. The largest cluster, representing 46% of the cheese isolates was equated with P. jensenii. Various red/brown pigmented strains, which could be identified as the old 'P. rubrum' species were isolated from the cheese. These strains were, however, phenotypically identified as P. jensenii and also grouped in the P. jensenii cluster. |
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Authors:
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T J Britz; K H Riedel |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: International journal of food microbiology Volume: 22 ISSN: 0168-1605 ISO Abbreviation: Int. J. Food Microbiol. Publication Date: 1994 Jun |
Date Detail:
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Created Date: 1995-01-12 Completed Date: 1995-01-12 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 8412849 Medline TA: Int J Food Microbiol Country: NETHERLANDS |
Other Details:
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Languages: eng Pagination: 257-67 Citation Subset: IM |
Affiliation:
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Department of Microbiology and Biochemistry, University of the Orange Free State, Bloemfontein, South Africa. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Cheese
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microbiology* Cluster Analysis Colony Count, Microbial Culture Media Phenotype Pigmentation Propionibacterium / classification, isolation & purification*, metabolism Species Specificity |
| Chemical | |
Reg. No./Substance:
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0/Culture Media |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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