Results 21 to 30 of about 139,012 (204)

The Salmon Louse Lepeophtheirus salmonis (Copepoda: Caligidae) life cycle has only two Chalimus stages. [PDF]

PLoS ONE, 2013
Each year the salmon louse (Lepeophtheirussalmonis Krøyer, 1838) causes multi-million dollar commercial losses to the salmon farming industry world-wide, and strict lice control regimes have been put in place to reduce the release of salmon louse larvae ...
Lars A Hamre, Christiane Eichner, Christopher Marlowe A Caipang, Sussie T Dalvin, James E Bron, Frank Nilsen, Geoff Boxshall, Rasmus Skern-Mauritzen   +7 more
doaj   +2 more sources

Aquaculture-driven evolution of the salmon louse mtDNA genome. [PDF]

Evol Appl, 2023
AbstractResistance toward the antiparasitic pyrethroid, deltamethrin, is reported in the Atlantic salmon louse (Lepeophtheirus salmonis salmonis), a persistent ectoparasite of farmed and wild salmonids. The resistance mechanism is linked to mitochondrial DNA (mtDNA), where genetic markers for resistance have been identified.
Rutle KH, Skern-Mauritzen R, Nilsen F, Mateos-Rivera A, Eide AGS, Jansson E, Quintela M, Besnier F, Allyon F, Fjørtoft HB, Glover KA.   +10 more
europepmc   +7 more sources

Major vault protein is part of an extracellular cement material in the Atlantic salmon louse (Lepeophtheirus salmonis) [PDF]

Scientific Reports
Major vault protein (MVP) is the main component of the vault complex, which is a highly conserved ribonucleoprotein complex found in most eukaryotic organisms.
Malene Skuseth Slinning, Thaddaeus Mutugi Nthiga, Christiane Eichner, Syeda Khadija, Leonard H. Rome, Frank Nilsen, Michael Dondrup   +6 more
doaj   +2 more sources

Identification and characterisation of the ecdysone biosynthetic genes neverland, disembodied and shade in the salmon louse Lepeophtheirus salmonis (Copepoda, Caligidae). [PDF]

PLoS ONE, 2018
The salmon louse is a marine ectoparasitic copepod on salmonid fishes. Its lifecycle consists of eight developmental stages, each separated by a molt. In crustaceans and insects, molting and reproduction is controlled by circulating steroid hormones such
Liv Sandlund, Heidi Kongshaug, Tor Einar Horsberg, Rune Male, Frank Nilsen, Sussie Dalvin   +5 more
doaj   +2 more sources

Modelling the Effectiveness of Gene‐Edited Salmon at Sea Lice Control and the Use of Refugia to Mitigate Counter‐Adaptation [PDF]

Evolutionary Applications
Advances in gene‐editing technologies offer opportunities to improve disease management in aquaculture. Gene‐editing applications for farmed Atlantic salmon (Salmo salar) include harnessing innate parasite resistance to protect against salmon lice ...
Andrew Coates, Nicholas A. Robinson, Tim Dempster, Ben L. Phillips   +3 more
doaj   +2 more sources

Ionotropic receptors signal host recognition in the salmon louse (Lepeophtheirus salmonis, Copepoda). [PDF]

PLoS ONE, 2017
A remarkable feature of many parasites is a high degree of host specificity but the mechanisms behind are poorly understood. A major challenge for parasites is to identify and infect a suitable host.
Anna Z Komisarczuk, Sindre Grotmol, Frank Nilsen   +2 more
doaj   +2 more sources

An update of the salmon louse (Lepeophtheirus salmonis) reference genome assembly. [PDF]

G3 (Bethesda), 2022
AbstractSalmon lice have plagued the salmon farming industry and have negatively impacted salmon populations in the wild. In response, researchers have generated high density genetic maps, genome assemblies, transcriptomes, and whole-genome resequencing data to better understand this parasite.
Joshi J, Flores AM, Christensen KA, Johnson H, Siah A, Koop BF.   +5 more
europepmc   +4 more sources

The salmon louse genome may be much larger than sequencing suggests. [PDF]

Sci Rep, 2022
Abstract The genome size of organisms impacts their evolution and biology and is often assumed to be characteristic of a species. Here we present the first published estimates of genome size of the ecologically and economically important ectoparasite, Lepeophtheirus salmonis ...
Wyngaard GA, Skern-Mauritzen R, Malde K, Prendergast R, Peruzzi S.   +4 more
europepmc   +9 more sources

Local inflammation at the salmon louse (Lepeophtheirus salmonis) attachment site contributes to copepodid rejection in coho salmon (Oncorhynchus kisutch). [PDF]

Cell Tissue Res
The study investigates the susceptibility of Atlantic salmon (Salmo salar) and Pacific salmon species (pink salmon, Oncorhynchus gorbuscha; coho salmon, Oncorhynchus kisutch; and chum salmon, Oncorhynchus keta) to the parasitic salmon lice ...
Sveen L, Fast MD, Tengs T, Kline RA, Marti JA, Kurian D, Timmerhaus G, Vaadal M, Houston RD, Bron JE, Monaghan SJ, Mohammed HH, Daniels RR, Salisbury S, Robledo D, Braceland M, Hansen M, Robinson N.   +17 more
europepmc   +2 more sources

Effects of laboratory salmon louse infection on osmoregulation, growth and survival in Atlantic salmon. [PDF]

Conserv Physiol, 2020
Abstract Anadromous Atlantic salmon (Salmo salar) rely on long ocean migrations to build energy stores for maturation and spawning. In seawater, wild Atlantic salmon are threatened by high salmon lice (Lepeophtheirus salmonis) infestation levels resulting from intensive salmonid sea-cage aquaculture.
Fjelldal PG, Hansen TJ, Karlsen Ø.
europepmc   +5 more sources