Phenotypic, serological and genetic characterization of Pseudomonas anguilliseptica strains isolated from cod, Gadus morhua L., in northern Europe
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Abstract
The biochemical, serological and genetic characteristics of six strains of Pseudomonas anguilliseptica isolated from cod, Gadus morhua, in Scotland were compared to well characterized isolates of this same bacterial species but of different origin. Biochemical and physiological analyses showed that this group of isolates was highly homogeneous, their characteristics matching previous descriptions of the pathogen. Similar results were obtained for the six cod isolates in the serological assays, all of them belonging to the serotype O1. Marked homogeneity was observed also in the genetic study, analysed by means of RAPD, ERIC-PCR and REP-PCR procedures, showing that they were similar to isolates from gilthead seabream, Sparus aurata, black spot seabream, Pagellus bogaraveo, and turbot, Psetta maxima. Virulence assays demonstrated that the cod isolates were highly pathogenic for turbot and sole, Solea senegalensis, with LD50 between 7.6 × 104 and 5 × 107 bacterial cells per fish.
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This is the peer reviewed version of the following article: Balboa, S., Ferguson, H.W. and Romalde, J.L. (2007), Phenotypic, serological and genetic characterization of Pseudomonas anguilliseptica strains isolated from cod, Gadus morhua L., in northern Europe. Journal of Fish Diseases, 30: 657-664. https://doi.org/10.1111/j.1365-2761.2007.00849.x, which has been published in final form at https://doi.org/10.1111/j.1365-2761.2007.00849.x. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.
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Balboa, S., Ferguson, H.W. and Romalde, J.L. (2007), Phenotypic, serological and genetic characterization of Pseudomonas anguilliseptica strains isolated from cod, Gadus morhua L., in northern Europe. Journal of Fish Diseases, 30: 657-664. https://doi.org/10.1111/j.1365-2761.2007.00849.x
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https://doi.org/10.1111/j.1365-2761.2007.00849.xSponsors
This work was supported in part by Grants AGL2003-09307-C02-00 and AGL2004-07037 from the Ministerio de Ciencia y Tecnología (Spain). S. Balboa thanks the University of Santiago for a research fellowship. References