Anaplasmataceae closely related to Ehrlichia chaffeensis and Neorickettsia helminthoeca from birds in Central Europe, Hungary

Increasing amount of data attest that (in the context of vector-borne infections) birds are not only important as hosts of blood-sucking arthropod vectors, but also as reservoirs of vector-borne pathogens. From 2015 to 2019 cadavers of 100 birds (from 45 species, nine orders) were collected in Hunga...

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Veröffentlicht in:Antonie van Leeuwenhoek 2020-07, Vol.113 (7), p.1067-1073
Hauptverfasser: Hornok, Sándor, Boldogh, Sándor A., Takács, Nóra, Juhász, Alexandra, Kontschán, Jenő, Földi, Dorottya, Koleszár, Balázs, Morandini, Pál, Gyuranecz, Miklós, Szekeres, Sándor
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Sprache:eng
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Zusammenfassung:Increasing amount of data attest that (in the context of vector-borne infections) birds are not only important as hosts of blood-sucking arthropod vectors, but also as reservoirs of vector-borne pathogens. From 2015 to 2019 cadavers of 100 birds (from 45 species, nine orders) were collected in Hungary, and their organs were screened for DNA from a broad range of vector-borne bacteria with PCR and sequencing. Molecular analyses revealed the presence of Anaplasmataceae, and sequencing identified bacteria closely related to Neorickettsia helminthoeca and Ehrlichia chaffeensis in a Eurasian teal ( Anas crecca ) and a song thrush ( Turdus philomelos ), respectively. All samples were PCR negative for rickettsiae, borreliae, Francisella and Coxiella spp., as well as for piroplasms. To our knowledge, this is the first report of a Neorickettsia and an Ehrlichia sp., which belong to the phylogenetic groups of N. helminthoeca and E. chaffeensis , respectively, from Europe. The potential presence of these two vector-borne bacteria needs to be taken into account during future studies on the eco-epidemiology of Anaplasmataceae in Europe.
ISSN:0003-6072
1572-9699
DOI:10.1007/s10482-020-01415-4