A5089460693- Aquaculture disease management and microbiota
- Vibrio bacteria research studies
- Myxozoan Parasites in Aquatic Species
- Microbial infections and disease research
- Identification and Quantification in Food
- Parasite Biology and Host Interactions
- Aquaculture Nutrition and Growth
- Fish Ecology and Management Studies
- Bacteriophages and microbial interactions
- Genomics and Phylogenetic Studies
- Viral Infections and Vectors
- Marine Bivalve and Aquaculture Studies
- Environmental Toxicology and Ecotoxicology
- Crustacean biology and ecology
- Animal Virus Infections Studies
- Parasitic Infections and Diagnostics
- Streptococcal Infections and Treatments
- Yersinia bacterium, plague, ectoparasites research
- Fecal contamination and water quality
- Molecular Biology Techniques and Applications
- Mosquito-borne diseases and control
- Bacterial Identification and Susceptibility Testing
- Respiratory viral infections research
- Bacillus and Francisella bacterial research
- Probiotics and Fermented Foods
University of British Columbia
2024
Digital Infuzion (United States)
2019-2022
Department of Primary Industries, Parks, Water and Environment
2018
New South Wales Department of Primary Industries
2012
University of Tasmania
1994-2007
Agricultural Institute
1994
Four closely related species, Vibrio fischeri , logei salmonicida and wodanis form a clade within the family Vibrionaceae ; taxonomic status phylogenetic position of this have remained ambiguous for many years. To resolve ambiguity, we tested these species against other phenotypic differences. Sequence identities 16S rRNA gene were ≥97.4 % among members V. group, but ≤95.5 group in comparison with type genera (i.e. Photobacterium which they overlap G+C content, Enterovibrio Grimontia...
DAO Diseases of Aquatic Organisms Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout JournalEditorsSpecials 43:127-137 (2000) - doi:10.3354/dao043127 Luminous vibriosis in rock lobster Jasus verreauxi (Decapoda: Palinuridae) phyllosoma larvae associated with infection by Vibrio harveyi B. K. Diggles1,*, G. A. Moss1, J. Carson2, C. D. Anderson3 1National Institute Water and Atmospheric Research Ltd., PO Box 14-901,...
ABSTRACT The bacterial skin disease tenacibaculosis, caused by Tenacibaculum species, affects numerous economically important marine fish, including salmonids. This study reports the ability of three maritimum strains, belonging to different molecular O‐AGC types, and a single dicentrarchi strain induce tenacibaculosis in farmed Chinook salmon ( Oncorhynchus tshawytscha , Walbaum 1792) Aotearoa New Zealand. Naïve were exposed T. (2 × 10 8 cells/mL) 7 immersion using natural seawater....
DAO Diseases of Aquatic Organisms Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout JournalEditorsSpecials 64:211-222 (2005) - doi:10.3354/dao064211 Standardization a broth microdilution susceptibility testing method determine minimum inhibitory concentrations aquatic bacteria R. A. Miller1,*, D. Walker1, J. Carson2, M. Coles3, Coyne4, I. Dalsgaard5, C. Gieseker1, H. Hsu6, Mathers7, Papapetropoulou8, B. Petty9, Teitzel10,...
Six isolates of a facultatively anaerobic bacterium were recovered in culture from marine invertebrates and vertebrates, including packhorse lobster ( Jasus verreauxi ), abalone Haliotis sp.) Atlantic salmon Salmo salar between 1994 2002. The bacteria Gram-negative, rod-shaped motile by means more than one polar flagellum, oxidase-positive, catalase-positive able to grow the presence 0.5–8.0 % NaCl (optimum 3.0–6.0 %) at 10–37 °C 25–30 °C). On basis 16S rRNA gene sequence analysis multilocus...
The Australian tuna industry is based on the ranching of wild southern bluefin (SBT, Thunnus maccoyii). Within this industry, only opportunistic pathogens have been reported infecting external wounds fish. This study aimed to identify different culturable bacteria present in three cohorts SBT and determine normal potential isolates from harvest fish moribund/dead Post‐mortem changes microbiota were also studied. Moribund/dead showed a greater proportion members family Vibrionaceae than...
Yersinia ruckeri is a salmonid pathogen with widespread distribution in cool-temperate waters including Australia and New Zealand, two isolated environments recently developed farming industries. Phylogenetic comparison of 58 isolates from Australia, USA, Chile, Finland China based on non-recombinant core genome SNPs revealed multiple deep-branching lineages, most recent common ancestor estimated at 18 500 years BP (12 355–24 757 95% HPD) evidence Australasian endemism. Evolution within the...
Abstract The bacterial skin disease tenacibaculosis, caused by Tenacibaculum species, can compromise numerous species of economically important marine fish, including salmonids. While tenacibaculosis is a known threat to Atlantic salmon ( Salmo salar ) aquaculture, the pathogenesis maritimum and dicentrarchi on Chinook Oncorhynchus tshawytscha has not yet been investigated. In this study, three molecular O-AGC types T. (O-AGC Type 3-0, 2-1 3-2) isolated during outbreak farmed in Aotearoa New...
Abstract. Severe mortalities of up to 60% have occurred in Australian and South African farmed rainbow trout, Oncorhynchus mykiss (Walbaum), infected with Gram‐positive cocci. Infected fish develop septicaemia characteristic exophthalmos. Strains collected from outbreaks disease appear attributes the genus Enterococcus although no Lancefield group D antigen could be detected. All strains grew at 10°C but not 45°C, 6·5% NaCI, were bile‐aesculin positive hydrolysed...
DAO Diseases of Aquatic Organisms Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout JournalEditorsSpecials 21:157-161 (1995) - doi:10.3354/dao021157 Characteristics Flexibacter psychrophilus isolated from Atlantic salmon in Australia Schmidtke LM, Carson J ABSTRACT: (syn. Cytophaga psychrophila) was Tasmania, Australia, farmed Salmo salar with moderate severe erosion fins; there no evidence skin lesions. The mortality...
Isolates of the salmonid pathogen Vagococcus salmoninarum were recovered from Atlantic salmon, rainbow trout and brown with peritonitis. The phenotypes these isolates type strain Vag. NCFB 2777 determined by morphological, biochemical physiological tests whole cell protein profiles SDS‐PAGE. There was a high level phenetic similarity between strain. species forms short Gram‐positive rods, hydrolyses L‐pyrrolidonyl‐β‐naphthylamide, is α‐haemolytic on sheep's blood agar, grows at pH 9·6 10°C...
This comprehensive population study substantially improves our understanding of the epizootiological history and nature an internationally important fish-pathogenic bacterium. The MLVA assay developed presented represents a high-resolution typing tool particularly well suited for Yersinia ruckeri infection tracing, selection strains vaccine inclusion, risk assessment. ability to separate isolates into geographically linked and/or possibly host-specific clusters reflects its potential utility...
Abstract Cytophaga johnsonae , a gliding filamentous Gram‐negative rod, was isolated from diseased farmed juvenile barramundi, Lates calcarifer Bloch. Infected fish had extensive but superficial erosion of the skin, mainly involving posterior flanks, also affecting pectoral fins and lower jaw in some individuals. Minimum inhibitory concentrations number antibacterial agents for C. were determined; acriflavine oxolinic acid inhibited growth between 0.78 1.5 μg ml −1 while polymyxin B,...
Most diseases in aquaculture are caused by opportunistic pathogens. One of them, Vibrio harveyi, is a widespread Gram-negative bacterium that has become an important pathogen aquatic species marine environments. Here, we propose the use causal pie model as framework to conceptualize causation vibriosis juvenile barramundi (Lates calcarifer) and establish effective challenge model. In model, sufficient cause, or pie, constellation component causes lead outcome (e.g. vibriosis). pilot study,...
To determine if infection of Vibrio harveyi with the V. myovirus-like (VHML) bacteriophage causes a change to phenotypic profile this species.Using 46 biochemical and metabolic tests, profiles for noninfected VHML infected were developed. Comparison bacteriophage-infected strains 645, 20 45 found have different test results d-gluconate utilization, gamma-glutamyl transpeptidase sulfatase activity, respectively. Using probabilistic identification, identified as had similar Willcox probability...
DAO Diseases of Aquatic Organisms Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout JournalEditorsSpecials 61:179-185 (2004) - doi:10.3354/dao061179 Experimental induction gill disease in Atlantic salmon Salmo salar smolts withTenacibaculum maritimum Mark Powell1,*, Jeremy Carson2, Rebecca van Gelderen1 1School Aquaculture, Tasmanian Aquaculture and Fisheries Institute, University Tasmania,Locked Bag 1370 Launceston,...
DAO Diseases of Aquatic Organisms Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout JournalEditorsSpecials 60:65-76 (2004) - doi:10.3354/dao060065 18S ribosomal DNA-based PCR identification Neoparamoeba pemaquidensis, agent amoebic gill disease in sea-farmed salmonids Frank Y. K. Wong1, Jeremy Carson2, Nicholas G. Elliott1,* 1Aquaculture and Biotechnology, CSIRO Marine Research, GPO Box 1538, Hobart 7001, Tasmania,...