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Can J Microbiol. 1998 Feb;44(2):103-8.

Phenotypic identification of Aeromonas genomospecies from clinical and environmental sources.

Author information

1
Unitat de Microbiologia, Departament de Ciencies Mediques basiques, Facultat de Medicina i Ciencies de la Salut, Universitat Rkovira i Virgili, Reus, E43201, Spain.

Abstract

A collection of 983 Aeromonas isolates from environmental and clinical sources have been identified to the genomospecies level. A phenotypic method identified 93% of the strains. The use of citrate and the production of acid from sorbitol enabled the members of the Aeromonas hydrophila complex to be separated. The most common genomospecies from intestinal sources were Aeromonas veronii biotype sobria and Aeromonas caviae. The former, together with A. hydrophila, was the most frequently isolated species of extraintestinal origin. Most pathogenic species were very prevalent in environmental samples, with A. veronii biotype sobria being the most common in lakes and reservoirs (41.5%) and in treated drinking water (25.0%), and A. caviae was the most common in sea water (26.0%) and milk products (35.5%). Aeromonas hydrophila (18.1%) was the second most prevalent species isolated in untreated drinking water. Since Aeromonas infections are generally regarded as a water- and food-borne diseases, the high environmental prevalence of these pathogenic genomospecies should be regarded as an important threat to public health.

PMID:
9575026
DOI:
10.1139/w97-135
[Indexed for MEDLINE]

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