Structural characterisation of Toll-like receptor 1 (TLR1) and Toll-like receptor 6 (TLR6) in elephant and harbor seals

Pinnipeds are a diverse Glade of semi-aquatic mammals, which act as key indicators of ecosystem health. Their transition from land to marine environments provides a complex microbial milieu, making them vulnerable to both aquatic and terrestrial pathogens, thereby contributing to pinniped population...

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Bibliographic Details
Published in:Veterinary Immunology and Immunopathology
Main Authors: Woodman, Sally, Gibson, Amanda J., Garcia, Ana Rubio, Contreras, Guillermo Sanchez, Rossen, John W., Werling, Dirk, Offord, Victoria
Format: Article in Journal/Newspaper
Language:English
Published: 2016
Subjects:
Toll-like receptor
Pinniped
Evolution
Zoonosis
Conservation
MARINE MAMMALS
DOMESTIC-ANIMALS
DISTEMPER VIRUS
PROTEIN MODELS
PHYLOGENY
BRUCELLA
CLEARANCE
INFECTION
ALIGNMENT
Elephant Seals
Online Access:https://hdl.handle.net/11370/110237a4-f05b-473c-ba4a-d3d393a35632
https://research.rug.nl/en/publications/110237a4-f05b-473c-ba4a-d3d393a35632
https://doi.org/10.1016/j.vetimm.2015.11.006
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Summary:Pinnipeds are a diverse Glade of semi-aquatic mammals, which act as key indicators of ecosystem health. Their transition from land to marine environments provides a complex microbial milieu, making them vulnerable to both aquatic and terrestrial pathogens, thereby contributing to pinniped population decline. Indeed, viral pathogens such as influenza A virus and phocine distemper virus (PDV) have been identified as the cause of several of these mass mortality events. Furthermore, bacterial infection with mammalian Brucella sp. and methicillin-resistant Staphylococcus aureus strains have also been observed in marine mammals, posing further risk to both co-habiting endangered species and public health. During these disease outbreaks, mortality rates have varied amongst different pinniped species. Analyses of innate immune receptors at the host pathogen interface have previously identified variants which may drive these species-specific responses. Through a combination of both sequence- and structure-based methods, this study characterises members of the Toll-like receptor (TLR) 1 superfamily from both harbour and elephant seals, identifying variations which will help us to understand these species-specific innate immune responses, potentially aiding the development of specific vaccine-adjuvants for these species. (C) 2015 Elsevier B.V. All rights reserved.

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