[MARMAM] new paper: bacterial transmission from seals to porpoises

IJsseldijk, L.L. (Lonneke) L.L.IJsseldijk at uu.nl
Thu May 14 00:53:52 PDT 2020


Dear MARMAM community,

We are pleased to share our newest publication in Royal Society Open Science:

Gilbert MJ, IJsseldijk LL, Rubio-García A, Gröne A, Duim B, Rossen J, Zomer AL, Wagenaar JA. 2020 After the bite: bacterial transmission from grey seals (Halichoerus grypus) to harbour porpoises (Phocoena phocoena). R. Soc. Open Sci. 7: 192079. http://dx.doi.org/10.1098/rsos.192079

Abstract: Recent population growth of the harbour porpoise (Phocoena phocoena), grey seal (Halichoerus grypus) and common seal (Phoca vitulina) in the North Sea has increased potential interaction between these species. Grey seals are known to attack harbour porpoises. Some harbour porpoises survive initially, but succumb eventually, often showing severely infected skin lesions. Bacteria transferred from the grey seal oral cavity may be involved in these infections and eventual death of the animal. In humans, seal bites are known to cause severe infections. In this study, a 16S rRNA-based microbiome sequencing approach is used to identify the oral bacterial diversity in harbour porpoises, grey seals and common seals; detect the potential transfer of bacteria from grey seals to harbour porpoises by biting and provide insights in the bacteria with zoonotic potential present in the seal oral cavity. β-diversity analysis showed that 12.9% (4/31) of the harbour porpoise skin lesion microbiomes resembled seal oral microbiomes, while most of the other skin lesion microbiomes also showed seal-associated bacterial species, including potential pathogens. In conclusion, this study shows that bacterial transmission from grey seals to harbour porpoises by biting is highly likely and that seal oral cavities harbour many bacterial pathogens with zoonotic potential.

Here is the link to the full article: https://royalsocietypublishing.org/doi/10.1098/rsos.192079

Kind regards,
Lonneke IJsseldijk


Lonneke L. IJsseldijk<https://www.uu.nl/medewerkers/LLIJsseldijk> | Project Manager Cetacean Research | Utrecht University | Veterinary<https://www.uu.nl/organisatie/faculteit-diergeneeskunde> Medicine | Biomolecular Health Sciences | Pathology | Yalelaan 1, 3584 CL Utrecht | room O.170 | (+3130) 253 5312 | (+316) 244 556 98 | l.l.ijsseldijk at uu.nl<mailto:l.l.ijsseldijk at uu.nl>| Follow us @ | Instagram<https://www.instagram.com/strandingresearch> | LinkedIn<https://www.linkedin.com/in/lonneke-ijsseldijk-64014226/> | Online<http://www.uu.nl/strandingsonderzoek>



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