Mortalities of goldfish, <i>Carassius auratus</i> (L.), associated with <i>Vibrio cholerae</i> (non‐01) infection

Reddacliff, G. L.; Hornitzky, M.; Carson, J; Petersen, Robert; Zelski, R.

doi:10.1111/j.1365-2761.1993.tb00887.x

Cited by 23 publications

(11 citation statements)

References 11 publications

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“…Readily detected in warm estuarine waters around the globe (33), V. cholerae associates with diverse organisms, including zooplankton, phytoplankton, and fish (18,19,45). Environmental factors, most notably water temperature, that are associated with the growth and survival of V. cholerae in the aquatic environment are correlated with the seasonal epidemic patterns of cholera in humans (34,40).…”

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confidence: 99%

Detection and Transformation of Genome Segments That Differ within a Coastal Population of Vibrio cholerae Strains

Miller

Keymer

Avelar

et al. 2007

Appl Environ Microbiol

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Vibrio cholerae is an autochthonous member of diverse aquatic ecosystems around the globe. Collectively, the genomes of environmental V. cholerae strains comprise a large repository of encoded functions which can be acquired by individual V. cholerae lineages through uptake and recombination. To characterize the genomic diversity of environmental V. cholerae, we used comparative genome hybridization to study 41 environmental strains isolated from diverse habitats along the central California coast, a region free of endemic cholera. These data were used to classify genes of the epidemic V. cholerae O1 sequenced strain N16961 as conserved, variably present, or absent from the isolates. For the most part, absent genes were restricted to large mobile elements and have known functions in pathogenesis. Conversely, genes present in some, but not all, California isolates were in smaller contiguous clusters and were less likely to be near genes with functions in DNA mobility. Two such clusters of variable genes encoding different selectable metabolic phenotypes (mannose and diglucosamine utilization) were transformed into the genomes of environmental isolates by chitin-dependent competence, indicating that this mechanism of general genetic exchange is conserved among V. cholerae. The transformed DNA had an average size of 22.7 kbp, demonstrating that natural competence can mediate the movement of large chromosome fragments. Thus, whether variable genes arise through the acquisition of new sequences by horizontal gene transfer or by the loss of preexisting DNA though deletion, natural transformation provides a mechanism by which V. cholerae clones can gain access to the V. cholerae pan-genome.

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confidence: 99%

Detection and Transformation of Genome Segments That Differ within a Coastal Population of Vibrio cholerae Strains

Miller

Keymer

Avelar

et al. 2007

Appl Environ Microbiol

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“…1979 ;Kiiyukia et al . 1992) and systemically infected goldfish Carassius auratus held under quarantine in Australia (Reddacliff et al . 1993).…”

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Vibriosis Due toVibrio mimicusin Australian Freshwater Crayfish

Wong¹,

Fowler²,

Desmarchelier³

1995

Journal of Aquatic Animal Health

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The pathogenicity of Vibrio mimicus for two commercially cultured species of Australian freshwater crayfish, the yabbie Cherax albidus and the red claw Cherax quadricarinatus was investigated . Total aerobic mesophilic bacterial counts were obtained from hemolymph extracted from live crayfish . Bacteria were found in the hemolymph of 100% of C. albidus and 98% of C. quadricarinatus sampled; 45% and 54% of each species, respectively, had concentrations of more than 100 colony-forming units/mL . Aeromonas, Acinetobacter, Vibrio, Micrococcus, and Staphylococcus were the predominant bacterial genera isolated from both species of crayfish . Vibrio mimicus was isolated from 14% of the C. albidus sampled over 3 months . Three of seven V. mimicus isolates were virulent and produced rapid mortalities when 10 5 viable cells were inoculated into crayfish by intramuscular injection. Inoculation with lysed cells and filtered culture supernatants produced no mortalities. Ribotyping was used to study relationships among the V. mimicus isolates . Eleven ribotypes were observed among 18 isolates with different pathogenicity for crayfish. We confirmed that strains of V. mimicus present in the aquaculture environment can produce systemic disease in two commercially cultured species of crayfish .

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“…V. cholerae is of paramount health significance in human, particularly strains which produce the cholera toxin, belonging to the O1 serogroup, but non-O1/ O139 serogroup strains may also produce toxins and disease. V. cholerae has been reported in water used to house or transport ornamental fishes, however, V. cholerae is rarely reported as a disease agent in fishes and its role as a fish-borne zoonotic is unclear (Reddacliff et al, 1993;Smith et al, 2012).…”

Section: Resultsmentioning

confidence: 99%

Isolation and antibiotic susceptibility profile of Vibrio cholerae isolated from catfish (Pangasius hypophthalmus)

Norshafawati¹,

Noorlis²,

Kuan³

et al. 2017

Food Res.

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To date, cholera has cycle the world seven times through the seven pandemic cycles that has affected tens of millions of people. The objective of this study was to determine the presence and density as well as the antibiotic resistance profile of Vibrio cholerae isolated from catfish (Pangasius hypohthalamus). From the combination of the Most Probable Number-Polymerase Chain Reaction-plating on TCBS agar methods, V. cholerae was detected in 32 samples and V. cholerae O139 was detected in 7 samples, with a density ranging between <3.0 to 75.0 MPN/g and <3.0 to 9.3 MPN/g respectively. The results obtained in this study indicate that V. cholerae will continue to be a major healthcare burden, as the pathogen can be transferred from the aquatic environment to the catfish and the consumption of catfish by humans will present a route of exposure to V. cholerae. Proliferation of antibiotic and multiantibiotic resistant bacteria is a public health threat worldwide. Results of antimicrobial susceptibility investigation of V. cholerae isolates collected from catfish reported in this study will establish an important baseline data. All the V. cholerae isolates were multiantibiotic resistant towards the ten antibiotics tested, including 6 isolates that were resistant to all ten antibiotics and 38 antibiotic resistance patterns. The MAR index values of 0.2 to 1.0 indicate that the isolates were exposed to high risk sources in the environment. Taken together, the information on the prevalence and antibiotic resistance of V. cholerae indicate that catfish consumption presents a potential risk to human health and highlight the need for ongoing epidemiological and antimicrobial resistance surveillance.

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Mortalities of goldfish, Carassius auratus (L.), associated with Vibrio cholerae (non‐01) infection

Cited by 23 publications

References 11 publications

Detection and Transformation of Genome Segments That Differ within a Coastal Population of Vibrio cholerae Strains

Detection and Transformation of Genome Segments That Differ within a Coastal Population of Vibrio cholerae Strains

Vibriosis Due toVibrio mimicusin Australian Freshwater Crayfish

Isolation and antibiotic susceptibility profile of Vibrio cholerae isolated from catfish (Pangasius hypophthalmus)

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