First isolation in australia of atypical<i>Aeromonas salmonicida</i>

Trust, Trevor J.; Khouri, Adibe Georges; Austen, R.A.; Ashburner, L. D.

doi:10.1111/j.1574-6968.1980.tb05601.x

Cited by 31 publications

(2 citation statements)

References 6 publications

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“…When compared with the characteristics of atypical non-CE strains of A. salmonicida studied by other authors (17,18,9,26,22,25), the production of gelatinase by CE isolates, their failure to produce catalase and indole, and their inability to ferment mannitol and sucrose are consistent differences. One atypical A. salmonicida isolate described from the roach (Rutilus rutilus L.) by Hubbert and Williams (12) more closely resembles the CE isolates with respect to biochemical reactions, but the roach isolate is catalase positive and catabolizes sucrose.…”

Section: Comparison Of Cultural and Biochemical Characteristics Of Th...mentioning

confidence: 64%

Cultural, biochemical and serological characteristics of bacterial isolates from carp erythrodermitis in Hungary

Sövényi¹,

Elliott²,

Olah³

et al. 1984

Rev. Sci. Tech. OIE

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Biochemical and serological properties and antibiotic sensi tivity patterns for nine bacterial isolates from common carp (Cyprinus carpio L.) with carp erythrodermatitis in Hungary were studied. Also included were two other bacterial isolates from similar cyprinid fish ulcerative diseases -an unidentified bacterium from a crucian carp (Carassius carassius L.) in Hungary and an atypical Aeromonas salmonicida strain from a goldfish (Carassius auratus L.J in the United Sta tes. The carp erythrodermatitis isolates and the crucian carp isolate showed uniform biochemical reactions and were considered identical. These isolates could be distinguished from the goldfish A. salmonicida isolate by negative reactions in catalase and indole production tests; positive reactions in gelatinose and acetoin production tests; and failure to catabolize glycerol, mannitol and sucrose. Several phehotypic cha racteristics distinguished the carp erythrodermatitis isolates from each of the presently proposed subspecies of A. salmonicida. Antibiograms for all the bacterial strains tested showed few differences.Standard immunoelectrophoresis techniques revealed as many as five common antigens in most of the bacterial isolates. One antigen was lacking in one of the carp erythrodermatitis isolates and in the goldfish isolate. Line immunoelectrophoresis allowed direct comparison and identification of the antigens from different isolates. Since results of the serological study were preliminary, additional research is needed to better define the serological relationship among carp erythrodermatitis isolates and various strains of A. salmonicida.

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Section: Comparison Of Cultural and Biochemical Characteristics Of Th...mentioning

confidence: 64%

Cultural, biochemical and serological characteristics of bacterial isolates from carp erythrodermitis in Hungary

Sövényi¹,

Elliott²,

Olah³

et al. 1984

Rev. Sci. Tech. OIE

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“…An atypical strain of A. salmonicida was isolated in Australia in 1980 from goldfish, Carassius auratus (L.), with goldfish ulcer disease (GUD) (Trust, Khouri, Austen & Ashburner 1980). GUD is now common in aquarium trade goldfish and has spread from its initial focus on a commercial goldfish hatchery in Victoria to at least two commercial hatcheries in New South Wales.…”

Section: Introductionmentioning

confidence: 99%

The susceptibility of salmonid fish to an atypical strain of Aeromonas salmonicida that infects goldfish, Carassius auratus (L.), in Australia

Whittington¹,

Cullis

1988

Journal of Fish Diseases

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An enzootic, Australian, atypical strain oi Aeromonas salmonicida isolated from diseased goldfish, Carassius auratus (L.), was inoculated into Atlantic salmon, Salmo salar L.. brown trout, 5. trutta L.. rainbow trout, S. gairdneri Richardson, and brook trout. Salvelinus fontinalis (Mitchill), fingerlings by intraperitoneal injection (i.p.) and by bath challenge, the latter with and without prior abrasion of skin. The 10-day LDs(j (i-p.) was estimated to be 7-4 x 10^-^ colony forming units (cfu) for Atlantic salmon, 3-Ox 10"-cfu for brown trout, 3-7x10-cfu for brook trout and 6-4x10^ cfu for rainbow trout. Brown, rainbow and brook trout succumbed to bath challenges with between 10-''-10^cfu/mI, developing ulcers of the skin and septicaemia. The organism was trasmitted from inoculated fish to five of 195 within-tank control fish via water and established a carrier state in one of 14 Atlantic salmon. It was concluded that the organism poses a significant threat to the salmonid farming industry and wild saimonid fisheries in Australia.

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Salmonid Bacterial Diseases

Plumb

Hanson

2010

Health Maintenance and Principal Microbial Diseases of Cultured Fishes

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First isolation in australia of atypicalAeromonas salmonicida

Cited by 31 publications

References 6 publications

Cultural, biochemical and serological characteristics of bacterial isolates from carp erythrodermitis in Hungary

Cultural, biochemical and serological characteristics of bacterial isolates from carp erythrodermitis in Hungary

The susceptibility of salmonid fish to an atypical strain of Aeromonas salmonicida that infects goldfish, Carassius auratus (L.), in Australia

Salmonid Bacterial Diseases

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