Host dispersal shapes the population structure of a tick‐borne bacterial pathogen
Norte, Ana Cláudia; Margos, Gabriele; Becker, Noémie S.; Ramos, Jaime Albino; Núncio, Maria Sofia; Fingerle, Volker; Araújo, Pedro Miguel; Adamík, Peter; Alivizatos, Haralambos; Barba, Emilio; Barrientos, Rafael; Cauchard, Laure; Csörgő, Tibor; Diakou, Anastasia; Dingemanse, Niels J.; Doligez, Blandine; Dubiec, Anna; Eeva, Tapio; Flaisz, Barbara; Grim, Tomas; Hau, Michaela; Heylen, Dieter; Hornok, Sándor; Kazantzidis, Savas; Kováts, David; Krause, František; Literak, Ivan; Mänd, Raivo; Mentesana, Lucia; Morinay, Jennifer; Mutanen, Marko; Neto, Júlio Manuel; Nováková, Markéta; Sanz, Juan José; da Silva, Luís Pascoal; Sprong, Hein; Tirri, Ina‐Sabrina; Török, János; Trilar, Tomi; Tyller, Zdeněk; Visser, Marcel E.; de Carvalho, Isabel Lopes (2019-12-17)
Norte, AC, Margos, G, Becker, NS, et al. Host dispersal shapes the population structure of a tick‐borne bacterial pathogen. Mol Ecol. 2020; 29: 485– 501. https://doi.org/10.1111/mec.15336
© 2019 John Wiley & Sons Ltd. This is the peer reviewed version of the following article: Norte, AC, Margos, G, Becker, NS, et al. Host dispersal shapes the population structure of a tick‐borne bacterial pathogen. Mol Ecol. 2020; 29: 485– 501, which has been published in final form at https://doi.org/10.1111/mec.15336. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
https://rightsstatements.org/vocab/InC/1.0/
https://urn.fi/URN:NBN:fi-fe2020040310237
Tiivistelmä
Abstract
Birds are hosts for several zoonotic pathogens. Because of their high mobility, especially of longdistance migrants, birds can disperse these pathogens, affecting their distribution and phylogeography. We focused on Borrelia burgdorferi sensu lato, which includes the causative agents of Lyme borreliosis, as an example for tick‐borne pathogens, to address the role of birds as propagation hosts of zoonotic agents at a large geographical scale. We collected ticks from passerine birds in 11 European countries. B. burgdorferi s.l. prevalence in Ixodes spp. was 37% and increased with latitude. The fieldfare Turdus pilaris and the blackbird T. merula carried ticks with the highest Borrelia prevalence (92 and 58%, respectively), whereas robin Erithacus rubecula ticks were the least infected (3.8%). Borrelia garinii was the most prevalent genospecies (61%), followed by B. valaisiana (24%), B. afzelii (9%), B. turdi (5%) and B. lusitaniae (0.5%). A novel Borrelia genospecies “Candidatus Borrelia aligera” was also detected. Multilocus sequence typing (MLST) analysis of B. garinii isolates together with the global collection of B. garinii genotypes obtained from the Borrelia MLST public database revealed that: (a) there was little overlap among genotypes from different continents, (b) there was no geographical structuring within Europe, and (c) there was no evident association pattern detectable among B. garinii genotypes from ticks feeding on birds, questing ticks or human isolates. These findings strengthen the hypothesis that the population structure and evolutionary biology of tick‐borne pathogens are shaped by their host associations and the movement patterns of these hosts.
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