Concurrent jellyfish blooms and tenacibaculosis outbreaks in Northern Norwegian Atlantic salmon (Salmo salar) farms

PloS One
Sverre Bang SmågeAre Nylund

Abstract

Tenacibaculosis is an increasing problem in the Norwegian Atlantic salmon aquaculture industry causing significant economic losses. In September 2015, two separate outbreaks of suspected tenacibaculosis occurred at two Atlantic salmon farms in Finnmark County in Northern Norway. The events resulted in major losses of smolts newly transferred into seawater. Prior to, and during the outbreaks, large numbers of small jellyfish, identified as Dipleurosoma typicum (Boeck) were observed in the vicinity of the farms and inside the net-pens. This study investigates the possible link between the jellyfish, Tenacibaculum spp. and the tenacibaculosis outbreaks. Bacteriology, histology, scanning and transmission electron microscopy, and real-time RT-PCR screening were performed on both fish and jellyfish samples. Based on the findings, Tenacibaculum finnmarkense was found to be the dominant bacteria associated with the tenacibaculosis outbreaks at both sites and that D. typicum is unlikely to be a vector for this fish pathogenic bacterium. However, results do show that the jellyfish caused direct damage to the fish's skin and may have exacerbated the bacterial infection by allowing an entry point for bacteria.

References

Jul 1, 1992·International Journal of Systematic Bacteriology·G H HansenD Knappskog
Dec 1, 1985·The Journal of Applied Bacteriology·K P Flint
Feb 27, 1974·Zeitschrift für Zellforschung und mikroskopische Anatomie·R N Mariscal
Jun 8, 1995·Nature·A LotanE Zlotkin
Jul 23, 1996·Proceedings of the National Academy of Sciences of the United States of America·S J GiovannoniN L Adair
Dec 7, 2002·The Journal of General and Applied Microbiology·Yasuyoshi NakagawaKazunori Hatano
Nov 6, 2004·Applied and Environmental Microbiology·Jarone PinhassiCèlia Marrasé
Nov 19, 2005·BMC Molecular Biology·Pål A OlsvikIvar Hordvik
Jan 9, 2009·Proceedings. Biological Sciences·Ami SchlesingerY Loya
Jan 8, 2010·The ISME Journal·Paola R Gómez-PereiraRudolf Amann
May 11, 2010·Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·Hugh W FergusonMargaret Crumlish
Mar 16, 2011·Journal of Fish Diseases·S O Mitchell, H D Rodger
Jun 10, 2011·The Veterinary Record·H D RodgerL Henry
Jul 7, 2011·Biology of the Cell·Cathy Fisch, Pascale Dupuis-Williams
Jul 28, 2011·Diseases of Aquatic Organisms·A B OlsenD J Colquhoun
Mar 1, 2012·Molecular Biology and Evolution·Alexei J DrummondAndrew Rambaut
Aug 21, 2013·Systematic and Applied Microbiology·Richard L Hahnke, Jens Harder
Oct 18, 2013·Molecular Biology and Evolution·Koichiro TamuraSudhir Kumar
May 3, 2014·PloS One·Padmini DalpadadoGeir Ottersen
Aug 20, 2014·Nature Reviews. Microbiology·Alison BuchanJosé M González
Jan 11, 2016·Transboundary and Emerging Diseases·R Avendaño-HerreraP Ilardi
Mar 8, 2017·Scientific Reports·M S LlewellynN Derome
Mar 14, 2017·Frontiers in Microbiology·Katy HoffmannChristina Bienhold
Apr 19, 2017·Environmental Microbiology·Tomeu ViverRamon Rosselló-Móra

❮ Previous
Next ❯

Citations

Oct 7, 2018·Applied Microbiology and Biotechnology·Clara Fernández-Álvarez, Ysabel Santos
Dec 12, 2020·Pathogens·Joseph P NowlanSpencer Russell

❮ Previous
Next ❯

Datasets Mentioned

BETA
MF192883
MF192884
MF192899
MF192955

Methods Mentioned

BETA
Scanning Electron Microscopy
PCR
electrophoresis

Software Mentioned

Tree
GeneDoc
FigTree
Annotator
Vector NTI
BEAST
BLAST
Basic Local Alignment Search Tool ( BLAST )
Mega6

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.