Blood parasites in vectors reveal a united blackfly community in the upper canopy.

Chakarov N, Kampen H, Wiegmann A, Werner D, Bensch S (2020)
Parasites & vectors 13(1): 309.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Chakarov, NaydenUniBi; Kampen, Helge; Wiegmann, Anja; Werner, Doreen; Bensch, Staffan
Abstract / Bemerkung
BACKGROUND: The behaviour of blood-sucking arthropods is a crucial determinant of blood protozoan distribution and hence of host-parasite coevolution, but it is very challenging to study in the wild. The molecular identification of parasite lineages in vectors can be a useful key to understand the behaviour and transmission patterns realised by these vectors.; METHODS: In this study, we collected blackflies around nests of three raptor species in the upper forest canopy in central Europe and examined the presence of vertebrate DNA and haemosporidian parasites in them. We molecularly analysed 156 blackfly individuals, their vertebrate blood meals, and the haemosporidian parasite lineages they carried.; RESULTS: We identified nine species of Simulium blackflies, largely belonging to the subgenera Nevermannia and Eusimulium. Only 1% of the collected specimens was visibly engorged, and only 4% contained remains of host DNA. However, in 29% of the blackflies Leucocytozoon lineages were identified, which is evidence of a previous blood meal on an avian host. Based on the known vertebrate hosts of the recorded Leucocytozoon lineages, we can infer that large and/or abundant birds, such as thrushes, crows, pigeons, birds of prey, owls and tits are the main targets of ornithophilic blackflies in the canopy. Blackfly species contained similar proportions of host group-specific parasite lineages and thus do not appear to be associated with particular host groups.; CONCLUSIONS: The Leucocytozoon clade infecting thrushes, crows, and pigeons present in most represented blackfly species suggests a lack of association between hosts and blackflies, which can increase the probability of host switches of blood parasites. However, the composition of the simuliid species differed between nests of common buzzards, goshawks and red kites. This segregation can be explained by coinciding habitat preferences between host and vector, and may lead to the fast speciation of Leucocytozoon parasites. Thus, subtle ecological preferences and lack of host preference of vectors in the canopy may enable both parasite diversification and host switches, and enforce a habitat-dependent evolution of avian malaria parasites and related haemosporidia.
Erscheinungsjahr
2020
Zeitschriftentitel
Parasites & vectors
Band
13
Ausgabe
1
Art.-Nr.
309
eISSN
1756-3305
Page URI
https://pub.uni-bielefeld.de/record/2944323

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Chakarov N, Kampen H, Wiegmann A, Werner D, Bensch S. Blood parasites in vectors reveal a united blackfly community in the upper canopy. Parasites & vectors. 2020;13(1): 309.
Chakarov, N., Kampen, H., Wiegmann, A., Werner, D., & Bensch, S. (2020). Blood parasites in vectors reveal a united blackfly community in the upper canopy. Parasites & vectors, 13(1), 309. doi:10.1186/s13071-020-04177-0
Chakarov, N., Kampen, H., Wiegmann, A., Werner, D., and Bensch, S. (2020). Blood parasites in vectors reveal a united blackfly community in the upper canopy. Parasites & vectors 13:309.
Chakarov, N., et al., 2020. Blood parasites in vectors reveal a united blackfly community in the upper canopy. Parasites & vectors, 13(1): 309.
N. Chakarov, et al., “Blood parasites in vectors reveal a united blackfly community in the upper canopy.”, Parasites & vectors, vol. 13, 2020, : 309.
Chakarov, N., Kampen, H., Wiegmann, A., Werner, D., Bensch, S.: Blood parasites in vectors reveal a united blackfly community in the upper canopy. Parasites & vectors. 13, : 309 (2020).
Chakarov, Nayden, Kampen, Helge, Wiegmann, Anja, Werner, Doreen, and Bensch, Staffan. “Blood parasites in vectors reveal a united blackfly community in the upper canopy.”. Parasites & vectors 13.1 (2020): 309.
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