Small subunit rRNA gene sequences of Aeromonas salmonicida subsp. smithia and Haemophilus piscium reveal pronounced similarities with A. salmonicida subsp. salmonicida

Jacinta M. Thornton, Dawn A. Austin, Brian Austin, Richard Powell

    Research output: Contribution to journalArticle

    7 Citations (Scopus)

    Abstract

    The small subunit ribosomal RNA (SSU rRNA) encoding genes from reference strains of Aeromonas salmonicida subsp, smithia and Haemophilus piscium were amplified by polymerase chain reaction and cloned into Escherichia coil cells. Almost the entire SSU rRNA gene sequence (1505 nucleotides) from both organisms was determined. These DNA sequences were compared with those previously described from A. salmonicida subsp, salmonicida, subsp, achromogenes and subsp, masoucida. This genetic analysis revealed that A. salmonicida subsp. smithia and H. piscium showed 99.4 and 99.6% SSU rRNA gene sequence identity, respectively, with A. salmonicida subsp. salmonicida.

    Original languageEnglish
    Pages (from-to)155-158
    Number of pages4
    JournalDiseases of Aquatic Organisms
    Volume35
    Issue number2
    Publication statusPublished - 29 Jan 1999

    Keywords

    • Aeromonas salmonicida
    • Haemophilus piscium
    • Ribosomal RNA genes

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