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  • Title: Molecular detection and phylogenetic relationship of Haemosporida parasites in free-ranging wild raptors from Brazil.
    Author: Morel AP, Webster A, Prusch F, Anicet M, Marsicano G, Trainini G, Stocker J, Giani D, Bandarra PM, da Rocha MIS, Zitelli LC, Umeno KA, Souza UA, Dall'Agnol B, Reck J.
    Journal: Vet Parasitol Reg Stud Reports; 2021 Jan; 23():100521. PubMed ID: 33678376.
    Abstract:
    The order Haemosporida is widely distributed parasitizing members of the Aves class. In birds of prey, infection with Plasmodium spp. parasites varies from an apathogenic form to a clinical syndrome. However, studies on Haemosporida in raptors from the neotropical region are scarce. The aim of this study was to investigate natural infection by Plasmodium spp., Haemoproteus spp. and Leucocytozoon spp. in free-ranging wild raptors from southern Brazil. For this, we sampled 206 individuals of 21 species: 94 live-trapped Southern Caracaras (Caracara plancus) and 112 raptors from other species that were brought to rehabilitation centers. The presence of infection was investigated using a nested-PCR for Haemosporida performed on blood samples. Overall, 56 out of 206 birds were positive for Plasmodium spp./Haemoproteus spp. Twenty-two percent (21/94) of the C. plancus samples were positive. Of the 112 wild raptors rescued, 31% (35/112) of those belonging to 15 other species tested positive. No sample was positive for Leucocytozoon spp. Herein, we demonstrated nine lineages of Haemosporidian parasites (eight Plasmodium sp. and one Haemoproteus sp.) in free-living species of Brazilian birds of prey, being six of them potential novel lineages. It suggests that information currently available on South-American haemosporidian from these birds greatly underestimate the potential lineage diversity in this region.
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