Evidence map›Paper›PMID 26975395›Full record

ArticleBMC veterinary research2016

Phenotypic and genetic characterization of Piscirickettsia salmonis from Chilean and Canadian salmonids.

Alexander Otterlei, Øyvind J Brevik, Daniel Jensen, Henrik Duesund, Ingunn Sommerset, Petter Frost, Julio Mendoza, Peter McKenzie, Are Nylund, Patricia Apablaza

Open access · goldAbstract read
In one paragraph

Article in BMC veterinary research, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
5.1field-weighted citation impact, top 5% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

22 citing papers in PubMed, 40 citations in OpenAlex.

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  12. Why vaccines fail againstFrontiers in immunology · 2022
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  16. PCR-RFLP Detection and Genogroup Identification ofPathogens (Basel, Switzerland) · 2020
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors at 3 institutions in 2 countries.

Alexander OtterleiFish Diseases Research Group, Department of Biology, University of Bergen, P.O. 7803, N-5020, Bergen, Norway.
Øyvind J BrevikCermaq Group AS, Dronning Eufemias gate 16, P.O. Box 144 Sentrum, N-0102, Oslo, Norway.
Daniel JensenFish Diseases Research Group, Department of Biology, University of Bergen, P.O. 7803, N-5020, Bergen, Norway.
Henrik DuesundCermaq Group AS, Dronning Eufemias gate 16, P.O. Box 144 Sentrum, N-0102, Oslo, Norway.
Ingunn SommersetMSD Animal Health, Thormølensgt. 55, 5008, Bergen, Norway.
Petter FrostMSD Animal Health, Thormølensgt. 55, 5008, Bergen, Norway.
Julio MendozaCermaq Chile, Diego Portales 2000, piso 10, Puerto Montt, Chile.
Peter McKenzieCermaq Canada, 203 - 919 Island Highway, Campbell River, BC, V9W 2C2, Canada.
Are NylundFish Diseases Research Group, Department of Biology, University of Bergen, P.O. 7803, N-5020, Bergen, Norway.
Patricia ApablazaCermaq Group AS, Dronning Eufemias gate 16, P.O. Box 144 Sentrum, N-0102, Oslo, Norway. Patricia.Apablaza@cermaq.com.
University of Bergen · NOMSD (Norway) · NOCermaq (Canada) · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe study presents the phenotypic and genetic characterization of selected P. salmonis isolates from Atlantic salmon and rainbow trout suffering from SRS (salmonid rickettsial septicemia) in Chile and in Canada. The phenotypic characterization of the P. salmonis isolates were based on growth on different agar media (including a newly developed medium), different growth temperatures, antibiotics susceptibility and biochemical tests.

resultsThis is the first study differentiating Chilean P. salmonis isolates into two separate genetic groups. Genotyping, based on 16S rRNA-ITS and concatenated housekeeping genes grouped the selected isolates into two clades, constituted by the Chilean strains, while the Canadian isolates form a branch in the phylogenetic tree. The latter consisted of two isolates that were different in both genetic and phenotypic characteristics. The phylogenies and the MLST do not reflect the origin of the isolates with respect to host species. The isolates included were heterogeneous in phenotypic tests.

conclusionsThe genotyping methods developed in this study provided a tool for separation of P. salmonis isolates into distinct clades. The SRS outbreaks in Chile are caused by minimum two different genetic groups of P. salmonis. This heterogeneity should be considered in future development of vaccines against this bacterium in Chile. Two different strains of P. salmonis, in regards to genetic and phenotypic characteristics, can occur in the same contemporary outbreak of SRS.

Indexed as

Genetic VariationPhylogenyAnimalsAnti-Bacterial AgentsCanadaChileCulture MediaGenotypeMicrobial Sensitivity TestsOncorhynchus mykissPiscirickettsiaRNA, Ribosomal, 16STemperatureAnti-Bacterial AgentsCulture MediaRNA, Ribosomal, 16S16S rDNA-ITSGenotypingHousekeeping genesMLSTPhenotypingPhylogenyP. salmonis

Identifiers

PMID26975395
PMCPMC4791975
OpenAlexW2302350343

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.