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Identification of Vibrio anguillarum in fish using partial 16S rRNA sequences and a specific 16S rRNA oligonucleotide probe.
Department of Microbiology, University of Umeå.
1989 (English)In: Applied and Environmental Microbiology, ISSN 0099-2240, E-ISSN 1098-5336, Vol. 55, no 8, p. 1907-1910Article in journal (Refereed) Published
Abstract [en]

16S rRNA from seven different Vibrio anguillarum strains waspartially sequenced and compared. From this sequence informationwe could design a 25-base-long oligonucleotide and use it asa specific probe for identification of V. anguillarum. Thiswas determined by RNA-DNA colony hybridization and slot-blothybridization. Strong, specific hybridization to the probe wasobserved for all V. anguillarum strains tested. Furthermore,no cross-hybridization could be seen against five other bacterialspecies. The detection limit was 5 x 10(3) bacteria per ml.It was even possible to detect V. anguillarum, by slot-blothybridization, directly in a homogenized kidney from a fishthat had died of vibriosis. The partial sequence informationrevealed small but significant differences between strains ofthe same species. These sequence differences are sufficientlysignificant to allow serotyping on the RNA level. Comparingstrains of different serotypes revealed a 10-base and an 11-basedifference in V. anguillarum serotypes O8 and O9, respectively,in a 122-base partial sequence. 

Place, publisher, year, edition, pages
1989. Vol. 55, no 8, p. 1907-1910
National Category
Microbiology
Research subject
Natural Science, Microbiology
Identifiers
URN: urn:nbn:se:lnu:diva-514OAI: oai:DiVA.org:lnu-514DiVA, id: diva2:307244
Available from: 2010-04-01 Created: 2010-04-01 Last updated: 2017-12-12Bibliographically approved

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Hagström, Åke

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