Bacterial microflora associated with a coastal, marine fish-rearing unit

Austin, Brian

doi:10.1017/s0025315400070892

Cited by 32 publications

(21 citation statements)

References 20 publications

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“…Overall, it would appear that narrow-based studies focusing on a limited number of bacterial groups are often more successful than those that attempt to be broad-based, trying to consider all of the bacteria from fish. From the published literature, it is apparent that there are many similarities between the bacterial populations in fish and water [23,29,30,48,51,52,53,54,55,56,57] .…”

Section: Taxonomy (Biodiversity)mentioning

confidence: 99%

The Bacterial Microflora of Fish

Austin

2002

The Scientific World JOURNAL

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102

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The results of numerous studies indicate that fish possess bacterial populations on or in their skin, gills, digestive tract, and light-emitting organs. In addition, the internal organs (kidney, liver, and spleen) of healthy fish may contain bacteria, but there is debate on whether or not muscle is actually sterile. The numbers and taxonomic composition of the bacterial populations often reflect those of the surrounding water. The role of the bacteria includes the ability to degrade complex molecules (therefore exercising a potential benefit in nutrition), to produce vitamins and polymers, and to be responsible for the emission of light by the light-emitting organs of deep-sea fish. Taxa, including Pseudomonas, may contribute to spoilage by the production of histamines in fish tissue.

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Section: Taxonomy (Biodiversity)mentioning

confidence: 99%

The Bacterial Microflora of Fish

Austin

2002

The Scientific World JOURNAL

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102

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“…salmonicida. It has been widely described as causing losses in salmonid fish (Austin & Austin 1983, Toranzo & B a j a 1992, Munro & Hastings 1993, and its virulence factors have been reviewed by Ellis (1991).…”

Section: Introductionmentioning

confidence: 99%

Differential susceptibility to furunculosis of turbot and rainbow trout and release of the furunculosis agent from furunculosis-affected fish

Pérez¹,

Fernández²,

Rodríguez³

et al. 1996

Dis. Aquat. Org.

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“…The present observation also confirms the earlier observations of the presence of Lactobacillus sp. (Austin and Austin, 1993;Abd El-Rhaman, 2003), Bacillus firmus (Lavrova and Mikhnovskaia, 1978;Austin, 1983), P. fluorescens (Abd El-Rhaman et al, 2002), P. anguillisceptica (Ellis et al, 1983) in fish. Cipriano (2001), Rehulka, (2002 and Düğncl and Candan (2003) reported that A. hydrophila is highly pathogenic bacteria to both cultured and wild fishes.…”

Section: Discussionmentioning

confidence: 99%

Antimicrobial activity of the cyanobacteriaAnabaena wisconsinense andOscillatoria curviceps against pathogens of fish in aquaculture

El‐Sheekh

Dawah²,

El-Rahman³

et al. 2008

Ann. Microbiol.

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Cultures of the blue green algae (cyanobacteria) Anabaena wisconsinense and Oscillatoria curviceps were isolated from fish farms and their antimicrobial effects were studied. Solvent extracts of exponential phase algae were screened for antimicrobial activity against different species of Gram positive (Lactobacillus sp. and Bacillus firmus) and Gram negative (Aeromonas hydrophila, Pseudomonas fluorescens and Pseudomonas anguilliseptica) bacteria and the fungi (Aspergillus niger and Saprolegnia parasitica) which were all isolated from diseased fish. Maximum antimicrobial activity was observed with ethanolic extract of O. curviceps against Lactobacillus sp. and Aeromonas hydrophilia, whereas, methanol extracts of A. wisconsinense and O. curviceps had antibacterial effects against B. firmus, A. hydrophila, P. fluorescens, P. anguilliseptica, and the fungi A. niger and S. parasitica. It was also observed that solvent extracts of A. wisconsinense when injected into Oreochromis niloticus which was already injected intraperitoneally with 2 x 10 6 CFU/ml P. anguilliseptica significantly decreased fish mortality from 50 to 12.5%.

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Bacterial microflora associated with a coastal, marine fish-rearing unit

Abstract: Identification and characterization of the bacterial strainsFrom the taxonomic study, the marine isolates were identified as representatives of Acinetobacter

Cited by 32 publications

References 20 publications

The Bacterial Microflora of Fish

The Bacterial Microflora of Fish

Differential susceptibility to furunculosis of turbot and rainbow trout and release of the furunculosis agent from furunculosis-affected fish

Antimicrobial activity of the cyanobacteriaAnabaena wisconsinense andOscillatoria curviceps against pathogens of fish in aquaculture

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