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Application of sliding-window discretization and minimization of stochastic complexity for the analysis of fAFLP genotyping fingerprint patterns of Vibrionaceae
Laboratorium voor Microbiologie University of Gent.
Laboratorium voor Microbiologie University of Gent.
School of Life Sciences Heriot-Watt University.
laboratorium voor Microbiologie University of Gent.
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2005 (English)In: International Journal of Systematic and Evolutionary Microbiology, ISSN 1466-5026, E-ISSN 1466-5034, Vol. 55, no 1, 57-66 p.Article in journal (Refereed) Published
Abstract [en]

Minimization of stochastic complexity (SC) was used as a method for classification of genotypic fingerprints. The method was applied to fluorescent amplified fragment length polymorphism (fAFLP) fingerprint patterns of 507 Vibrionaceae representatives. As the current BinClass implementation of the optimization algorithm for classification only works on binary vectors, the original fingerprints were discretized in a preliminary step using the sliding-window band-matching method, in order to maximally preserve the information content of the original band patterns. The novel classification generated using the BinClass software package was subjected to an in-depth comparison with a hierarchical classification of the same dataset, in order to acknowledge the applicability of the new classification method as a more objective algorithm for the classification of genotyping fingerprint patterns. Recent DNA-DNA hybridization and 16S rRNA gene sequence experiments proved that the classification based on SC-minimization forms separate clusters that contain the fAFLP patterns for all representatives of the species Enterovibrio norvegicus, Vibrio fortis, Vibrio diazotrophicus or Vibrio campbellii, while previous hierarchical cluster analysis had suggested more heterogeneity within the fAFLP patterns by splitting the representatives of the above-mentioned species into multiple distant clusters. As a result, the new classification methodology has highlighted some previously unseen relationships within the biodiversity of the family Vibrionaceae.

Place, publisher, year, edition, pages
2005. Vol. 55, no 1, 57-66 p.
Keyword [en]
clustering, binarising of profiles
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URN: urn:nbn:se:liu:diva-24447DOI: 10.1099/ijs.0.63136-0Local ID: 6555OAI: diva2:244766
Available from: 2009-10-07 Created: 2009-10-07 Last updated: 2010-06-09

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Koski, Timo
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The Institute of TechnologyMathematical Statistics
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