Biochemical and toxigenic characteristics of aeromonas spp. isolated from diseased mammals, moribund and healthy fish

R. Lallier, Robert Higgins

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

In this study we describe biochemical, toxigenic and surface characteristics of 33 motile Aeromonas isolated from diseased mammals, 3 from moribund marine mammals, 24 from healthy fish rid 4 from moribund fish. Aeromonas hydrophila A. caviae and A. sobria were isolated from both mammals and fish but at a different incidence. Aeromonas hydrophila was the predominant species isolated from clinical specimens; it was isolated from pneumonia, wound infections, septicemia and abortion in horses, cattle and pigs. Aeromonas sobria was isolated from one mammal and 11 healthy fish. Aeromonas caviae was isolated in 2 cases from healthy fish and in 9 cases from diseased mammals. Variations in some biochemical tests including sorbitol, amylase and citrate, were observed between isolates from different sources. However, these differences did not allow the differentiation of isolates from diseased mammals and healthy fish. The majority of A. hydrophila isolates produced different extracellular products; A. sobria isolates produced less exotoxin. With A. caviae isolates no hemolysin, protease, enterotoxin or elastase were detected. There was no quantitative difference in hemolysin, protease, enterotoxin or elastase production between isolates from mammals and fish. It is suggested that A. hydrophila could be a potential pathogen for domestic animals, and fish may represent a potential reservoir of infection.

Original languageEnglish (US)
Pages (from-to)63-71
Number of pages9
JournalVeterinary Microbiology
Volume18
Issue number1
DOIs
StatePublished - Jan 1 1988
Externally publishedYes

Fingerprint

Aeromonas
Mammals
Fishes
mammals
Aeromonas hydrophila
Aeromonas sobria
Aeromonas punctata
fish
Aeromonas caviae
elastase
Hemolysin Proteins
hemolysins
Pancreatic Elastase
Enterotoxins
enterotoxins
Peptide Hydrolases
proteinases
exotoxins
Exotoxins
abortion (animals)

ASJC Scopus subject areas

  • Microbiology
  • veterinary(all)

Cite this

Biochemical and toxigenic characteristics of aeromonas spp. isolated from diseased mammals, moribund and healthy fish. / Lallier, R.; Higgins, Robert.

In: Veterinary Microbiology, Vol. 18, No. 1, 01.01.1988, p. 63-71.

Research output: Contribution to journalArticle

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