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Characterization of Campylobacter spp. isolated from wild birds in the Antarctic and Sub-Antarctic
Linnaeus Univ, Ctr Ecol & Evolut Microbial Model Syst, Kalmar, Sweden.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Biochemistry and Microbiology. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Infection medicine. (Zoonosis Science Center)ORCID iD: 0000-0001-8920-6061
National Veterinary Institute, Uppsala, Sweden.
Swedish Univ Agr Sci, Dept Anim Environm & Hlth, Skara, Sweden.
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2018 (English)In: PLoS ONE, ISSN 1932-6203, E-ISSN 1932-6203, Vol. 13, no 11, article id e0206502Article in journal (Refereed) Published
Abstract [en]

A lack of knowledge of naturally occurring pathogens is limiting our ability to use the Antarctic to study the impact human-mediated introduction of infectious microorganisms have on this relatively uncontaminated environment. As no large-scale coordinated effort to remedy this lack of knowledge has taken place, we rely on smaller targeted efforts to both study present microorganisms and monitor the environment for introductions. In one such effort, we isolated Campylobacter species from fecal samples collected from wild birds in the Antarctic Peninsula and the sub-Antarctic island of South Georgia. Indeed, in South Georgia, we found Campylobacter lari and the closely related Campylobacter peloridis, but also distantly related human-associated multilocus sequence types of Campylobacter jejuni. In contrast, in the Antarctic Peninsula, we found C. tart and two closely related species, Campylobacter subantarcticus and Campylobacter volucris, but no signs of human introduction. In fact, our finding of human-associated sequence types of C. jejuni in South Georgia, but not in the Antarctic Peninsula, suggests that efforts to limit the spread of infectious microorganisms to the Antarctic have so far been successful in preventing the introduction of C. jejuni. However, we do not know how it came to South Georgia and whether the same mode of introduction could spread it from there to the Antarctic Peninsula.

Place, publisher, year, edition, pages
PUBLIC LIBRARY SCIENCE , 2018. Vol. 13, no 11, article id e0206502
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Ecology Microbiology
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URN: urn:nbn:se:uu:diva-371891DOI: 10.1371/journal.pone.0206502ISI: 000449772600017PubMedID: 30412585OAI: oai:DiVA.org:uu-371891DiVA, id: diva2:1274876
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Swedish Research Council Formas, 2014-829Available from: 2019-01-03 Created: 2019-01-03 Last updated: 2019-01-03Bibliographically approved

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Ellström, PatrikHernandez, JorgeOlsen, Björn

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