Christian Karlsen
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Explore the profile of Christian Karlsen including associated specialties, affiliations and a list of published articles.
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13
Citations
101
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Recent Articles
1.
Karlsen C, Tzimorotas D, Robertsen E, Kirste K, Bogevik A, Rud I
ISME Commun
. 2023 Nov;
2(1):14.
PMID: 37938665
There is an increasing interest in the impact of feed on the fish gut microbiome. Most of the studies are based on sequencing the bacterial housekeeping gene 16S rRNA from...
2.
Sveen L, Robinson N, Krasnov A, Daniels R, Vaadal M, Karlsen C, et al.
G3 (Bethesda)
. 2023 Sep;
13(11).
PMID: 37724757
In this study, we present the first spatial transcriptomic atlas of Atlantic salmon skin using the Visium Spatial Gene Expression protocol. We utilized frozen skin tissue from 4 distinct sites,...
3.
Jimenez-Guerrero R, Karlsen C, Boudinot P, Afanasyev S, Morkore T, Krasnov A
Fish Shellfish Immunol
. 2023 Jun;
139:108858.
PMID: 37302676
Focal dark spots (DS) in farmed Atlantic salmon fillets contain a significant number of B cells as revealed by the high abundance of immunoglobulin (Ig) transcripts in transcriptome data. The...
4.
Krasnov A, Johansen L, Karlsen C, Sveen L, Ytteborg E, Timmerhaus G, et al.
Front Immunol
. 2021 Oct;
12:705601.
PMID: 34621264
Transcriptomics provides valuable data for functional annotations of genes, the discovery of biomarkers, and quantitative assessment of responses to challenges. Meta-analysis of Nofima's Atlantic salmon microarray database was performed for...
5.
Karlsen C, Ytteborg E, Timmerhaus G, Host V, Handeland S, Jorgensen S, et al.
Sci Rep
. 2018 Jun;
8(1):9510.
PMID: 29934588
Atlantic salmon farming operates with high production intensities where skin integrity is recognized as a central factor and indicator for animal health and welfare. In the described trial, the skin...
6.
Karlsen C, Hjerde E, Klemetsen T, Willassen N
BMC Genomics
. 2017 Apr;
18(1):313.
PMID: 28427330
Background: Winter-ulcer Moritella viscosa infections continue to be a significant burden in Atlantic salmon (Salmo salar L.) farming. M. viscosa comprises two main clusters that differ in genetic variation and...
7.
Williamson A, De Santi C, Altermark B, Karlsen C, Hjerde E
Stand Genomic Sci
. 2016 Sep;
11(1):62.
PMID: 27610212
The marine Arctic isolate Halomonas sp. R5-57 was sequenced as part of a bioprospecting project which aims to discover novel enzymes and organisms from low-temperature environments, with potential uses in...
8.
Hjerde E, Karlsen C, Sorum H, Parkhill J, Willassen N, Thomson N
BMC Genomics
. 2015 Jun;
16:447.
PMID: 26059548
Background: Aliivibrio wodanis and Moritella viscosa have often been isolated concurrently from fish with winter-ulcer disease. Little is known about the interaction between the two bacterial species and how the...
9.
Karlsen C, Ellingsen A, Wiik-Nielsen C, Winther-Larsen H, Colquhoun D, Sorum H
Microb Pathog
. 2014 Oct;
77:53-65.
PMID: 25277600
Moritella viscosa is the aetiological agent of winter-ulcer disease in farmed salmonids in the North Atlantic. Previously, two major (typical and variant) genetic clades have been demonstrated within this bacterial...
10.
Karlsen C, Vanberg C, Mikkelsen H, Sorum H
Vet Microbiol
. 2014 Apr;
171(1-2):112-21.
PMID: 24745624
Two species of bacteria are repeatedly isolated from farmed fish with winter-ulcer disease. Moritella viscosa is the aetiological agent of the disease; the significance of Aliivibrio wodanis is uncertain but...