Phenotypic, serological and molecular evidence of <i>Chryseobacterium piscicola</i> in farmed Atlantic salmon, <i>Salmo salar</i> L., in Finland

Ilardi, Pedro; J, Abad; Rintamäki, P.; Bernardet, Jean‐François; Avendaño‐Herrera, Rubén

doi:10.1111/j.1365-2761.2009.01091.x

Cited by 28 publications

(22 citation statements)

References 7 publications

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“…A Finland isolate of C. piscicola was reported to be only moderately virulent to Atlantic salmon (Ilardi et al . ). However, species of Chryseobacterium are consistently isolated from diseased fish in different countries, including C. scophthalmum from diseased turbot in Scotland (Mudarris et al .…”

Section: Discussionmentioning

confidence: 97%

“…) and Finland (Ilardi et al . ). In addition, increasing incidents of Chryseobacterium infections have been reported in hospital environments (Hsueh et al .…”

Section: Introductionmentioning

confidence: 97%

“…Several species of Chryseobacterium have been isolated from diseased fish. For example, Chryseobacterium scophthalmum was isolated from diseased turbot (Scophthalmus maximus) in Scotland (Mudarris et al 1994); Chryseobacterium shigense was isolated from rainbow trout (Oncorhynchus mykiss) during disease outbreaks in Spain (Zamora et al 2012); Chryseobacterium piscicola was reported to be responsible for mortality in farmed Atlantic salmon (Salmo salar) in Chile (Ilardi and Avendaño-Herrera 2008;Ilardi et al 2009) and Finland (Ilardi et al 2010). In addition, increasing incidents of Chryseobacterium infections have been reported in hospital environments (Hsueh et al 1997;Bhuyar et al 2012).…”

Section: Introductionmentioning

confidence: 99%

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Identification and virulence of Chryseobacterium indologenes isolated from diseased yellow perch (Perca flavescens )

2012

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Aim: To identify pathogen of diseased yellow perch and determine their virulence. Methods and Results: Fifteen Gram-negative bacterial isolates were recovered from the skin lesions of diseased yellow perch (Perca flavescens). Based on API 20NE test, ten isolates were found to share 67Á2-99Á9% homologies with Chryseobactertium indologenes. Based on fatty acid methyl ester analysis, 13 isolates were found to share similarities with C. indologenes and other species of Chryseobacterium. Based on sequencing results of partial 16S rRNA gene, 13 isolates shared 99% identities (e value = 2eÀ50) with the 16S rRNA sequence of C. indologenes (GenBank HQ259684). Based on the 16S-23S rRNA intergenic spacer region (ISR) sequence, the 13 isolates shared 88% identity (e value = 1eÀ165) with the 16S-23S

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Section: Discussionmentioning

confidence: 97%

“…) and Finland (Ilardi et al . ). In addition, increasing incidents of Chryseobacterium infections have been reported in hospital environments (Hsueh et al .…”

Section: Introductionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

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Identification and virulence of Chryseobacterium indologenes isolated from diseased yellow perch (Perca flavescens )

2012

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“…Thus, Chryseobacterium balustinum Chryseobacterium scophtalmum and Chryseobacterium joostei have been isolated from diseased fish [4-6]. More recently, Chryseobacterium piscicola has been reported to produce mortalities in farmed Atlantic salmon ( Salmo salar ) and rainbow trout ( Oncorhynchus mykiss ) in Chile and Finland [7-9], Chryseobacterium arothri was isolated from the kidneys of the pufferfish Arothron hispidus in Hawaii [10] and Chryseobacterium chaponense from diseased farmed Atlantic salmon in Chile [11]. In fact, some Chryseobacterium species are considered potentially emerging pathogens in fish [4].…”

Section: Introductionmentioning

confidence: 99%

First isolation and characterization of Chryseobacterium shigense from rainbow trout

Zamora¹,

Vela

Palacios³

et al. 2012

BMC Vet Res

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BackgroundThere have been an increasing number of infections in fish associated with different species of Chryseobacterium, being considered potentially emerging pathogens. Nevertheless the knowledge of the diversity of species associated with fish disease is partial due to the problems for a correct identification at the species level based exclusively on phenotypic laboratory methods.ResultsChryseobacterium shigense was isolated from the liver, kidney and gills of diseased rainbow trout in different disease episodes that occurred in a fish farm between May 2008 and June 2009. Identity of the isolates was confirmed by 16 S rRNA gene sequencing and phenotypic characterization. Isolates represented a single strain as determined by random amplified polymorphic DNA analysis.ConclusionsThis is the first description of the recovery of C. shigense from clinical specimens in trout, a very different habitat to fresh lactic acid beverage where it was initially isolated.

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“…Other members of the Family Flavobacteriacea have been associated with diseases of fishes. For example, Chryseobacterium piscicola is an emerging pathogen of Flavobacteriaceae having been reported from Atlantic salmon (Salmo salar) and rainbow trout (Oncorhynchus mykiss) [1,2].…”

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confidence: 99%

Bacterial coldwater disease of fishes caused by Flavobacterium psychrophilum

Starliper

2011

Journal of Advanced Research

197

147

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Coldwater disease (CWD) is a bacterial disease that affects a broad host-species range of fishes that inhabit cold, fresh waters. This disease occurs predominately at water temperatures of 16°C and below, and is most prevalent and severe at 10°C and below. Coldwater disease occurs in cultured and free-ranging populations, with hatchery-reared young trout and salmon species especially vulnerable to infections. Flavobacterium psychrophilum is the etiological agent of CWD. This Gram-negative bacterium may be recovered from affected host tissues and characterized using standard biochemical techniques, providing that reduced nutrient media are used. There are numerous reports that describe sensitive and specific serologic and genomic diagnostic techniques for CWD. The entire genome of a virulent isolate of F. psychrophilum has been sequenced and described. Rainbow trout (Oncorhynchus mykiss) fry syndrome is also caused by F. psychrophilum with mortalities >50% possible among affected fish lots. Evidence suggests that pathogen transmission occurs both horizontally and vertically. Analogous to many diseases to other animals, prevention and control are essential to avoid losses to CWD, particularly since there is currently no commercially available vaccine and a limited number of antimicrobials have been approved for treating food fish worldwide. This review provides current host and geographic ranges of the pathogen, and covers epizootiology, transmission, pathogenicity, diagnostics, and prevention and treatment.

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Phenotypic, serological and molecular evidence of Chryseobacterium piscicola in farmed Atlantic salmon, Salmo salar L., in Finland

Cited by 28 publications

References 7 publications

Identification and virulence of Chryseobacterium indologenes isolated from diseased yellow perch (Perca flavescens )

Identification and virulence of Chryseobacterium indologenes isolated from diseased yellow perch (Perca flavescens )

First isolation and characterization of Chryseobacterium shigense from rainbow trout

Bacterial coldwater disease of fishes caused by Flavobacterium psychrophilum

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