Evidence map›Paper›PMID 39004696›Full record

ArticleBMC genomics2024

Genomic characterization and virulence gene profiling of Erysipelothrix rhusiopathiae isolated from widespread muskox mortalities in the Canadian Arctic Archipelago.

Lakshmi Vineesha Seru, Taya L Forde, Amélie Roberto-Charron, Fabien Mavrot, Yan D Niu, Susan J Kutz

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Article in BMC genomics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

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5citing papers in PubMed
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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

Who cites it

5 citing papers in PubMed.

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  5. Wildlife health surveillance in the Canadian North.The Canadian veterinary journal = La revue veterinaire canadienne · 2025
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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Lakshmi Vineesha SeruFaculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada.
Taya L FordeSchool of Biodiversity, One Health & Veterinary Medicine, University of Glasgow, Glasgow, UK. taya.forde@glasgow.ac.uk.
Amélie Roberto-CharronGovernment of Nunavut, Department of Environment, Iqaluit, NU, Canada.
Fabien MavrotFaculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada.
Yan D NiuFaculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada.
Susan J KutzFaculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada. skutz@ucalgary.ca.

Funding

Natural Sciences and Engineering Research Council of Canada Canada Research Chair in Arctic One Health (CRC-2020-00315)Polar Knowledge Canada NST-2122-0049
6 · The paper itself

Abstract

backgroundMuskoxen are important ecosystem components and provide food, economic opportunities, and cultural well-being for Indigenous communities in the Canadian Arctic. Between 2010 and 2021, Erysipelothrix rhusiopathiae was isolated from carcasses of muskoxen, caribou, a seal, and an Arctic fox during multiple large scale mortality events in the Canadian Arctic Archipelago. A single strain ('Arctic clone') of E. rhusiopathiae was associated with the mortalities on Banks, Victoria and Prince Patrick Islands, Northwest Territories and Nunavut, Canada (2010-2017). The objectives of this study were to (i) characterize the genomes of E. rhusiopathiae isolates obtained from more recent muskox mortalities in the Canadian Arctic in 2019 and 2021; (ii) identify and compare common virulence traits associated with the core genome and mobile genetic elements (i.e. pathogenicity islands and prophages) among Arctic clone versus other E. rhusiopathiae genomes; and iii) use pan-genome wide association studies (GWAS) to determine unique genetic contents of the Arctic clone that may encode virulence traits and that could be used for diagnostic purposes.

resultsPhylogenetic analyses revealed that the newly sequenced E. rhusiopathiae isolates from Ellesmere Island, Nunavut (2021) also belong to the Arctic clone. Of 17 virulence genes analysed among 28 Arctic clone isolates, four genes - adhesin, rhusiopathiae surface protein-A (rspA), choline binding protein-B (cbpB) and CDP-glycerol glycerophosphotransferase (tagF) - had amino acid sequence variants unique to this clone when compared to 31 other E. rhusiopathiae genomes. These genes encode proteins that facilitate E. rhusiopathiae to attach to the host endothelial cells and form biofilms. GWAS analyses using Scoary found several unique genes to be overrepresented in the Arctic clone.

conclusionsThe Arctic clone of E. rhusiopathiae was associated with multiple muskox mortalities spanning over a decade and multiple Arctic islands with distances over 1000 km, highlighting the extent of its spatiotemporal spread. This clone possesses unique gene content, as well as amino acid variants in multiple virulence genes that are distinct from the other closely related E. rhusiopathiae isolates. This study establishes an essential foundation on which to investigate whether these differences are correlated with the apparent virulence of this specific clone through in vitro and in vivo studies.

Indexed as

ErysipelothrixAnimalsArctic RegionsCanadaErysipelothrix InfectionsGenome, BacterialGenome-Wide Association StudyGenomic IslandsGenomicsPhylogenyVirulenceVirulence FactorsVirulence FactorsArcticEpidemicErysipelothrix rhusiopathiaeOvibos moschatusPan-genome wide association studiesPathogenicity islandsProphagesVirulence genes

Identifiers

PMID39004696
PMCPMC11247837

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