Longitudinal study of prevalence and spatio-temporal distribution of Borrelia burgdorferi sensu lato in ticks from three defined habitats in Latvia, 1999-2010.
Journal
Environmental microbiology
ISSN: 1462-2920
Titre abrégé: Environ Microbiol
Pays: England
ID NLM: 100883692
Informations de publication
Date de publication:
12 2020
12 2020
Historique:
received:
22
03
2020
revised:
18
05
2020
accepted:
23
05
2020
pubmed:
27
5
2020
medline:
7
4
2021
entrez:
27
5
2020
Statut:
ppublish
Résumé
Members of the Borrelia burgdorferi sensu lato (s.l.) species complex are known to cause human Lyme borreliosis. Because of longevity of some reservoir hosts and the Ixodes tick vectors' life cycle, long-term studies are required to better understand species and population dynamics of these bacteria in their natural habitats. Ticks were collected between 1999 and 2010 in three ecologically different habitats in Latvia. We used multilocus sequence typing utilizing eight chromosomally located housekeeping genes to obtain information about species and population fluctuations and/or stability of B. burgdorferi s.l. in these habitats. The average prevalence over all years was 18.9%. From initial high-infection prevalences of 25.5%, 33.1% and 31.8%, from 2002 onwards the infection rates steadily decreased to 7.3%. Borrelia afzelii and Borrelia garinii were the most commonly found genospecies but striking local differences were obvious. In one habitat, a significant shift from rodent-associated to bird-associated Borrelia species was noted whilst in the other habitats, Borrelia species composition was relatively stable over time. Sequence types (STs) showed a random spatial and temporal distribution. These results demonstrated that there are temporal regional changes and extrapolations from one habitat to the next are not possible.
Identifiants
pubmed: 32452153
doi: 10.1111/1462-2920.15100
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
5033-5047Subventions
Organisme : Deutscher Akademischer Austauschdienst
Organisme : Robert Koch Institute through German National Reference
Informations de copyright
© 2020 Society for Applied Microbiology and John Wiley & Sons Ltd.
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