Abstract
Isospora parnaitatiaiensis Silva, Rodrigues, Lopes, Berto, Luz, Ferreira & Lopes, 2015 was identified from a new host, the plain antvireo Dysithamnus mentalis (Temminck), and also from the white-shouldered fire-eye Pyriglena leucoptera Vieillot, in its type-locality, the Itatiaia National Park in the southeastern Brazil, and a preliminary genotypic characterisation by sequencing the mitochondrial cytochrome c oxidase subunit 1 gene is provided. The oöcysts recovered from P. leucoptera and D. mentalis were polymorphic and have genotypic differences that were not considered sufficient for the description of new species, but only different genotypes and morphotypes of I. parnaitatiaiensis related to each host. These morphological and molecular variations were associated with a process of ongoing speciation and in adaptive development to their respective host species.
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Acknowledgements
We are thankful to the staff at the Parque Nacional do Itatiaia, mainly to the research coordinator Dr Léo Nascimento, that allowed us to access and use some facilities during the expeditions.
Funding
This study was supported by the Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) and Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro (FAPERJ). LMS-C, JLG-O and MSO have scholarship from CAPES (Grant/Award Number: 001). BPB has a fellowship from CNPq (Grant/Award Number: 303899/2019-0) and from FAPERJ (Grant/Award Number: E-26/202.797/2019).
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Field-collecting permits were issued by SISBIO/ICMBio (licenses 5200-1; 49605-1; 54951-1) and CEUA/UFRRJ (protocols IV-036/2014; ICBS-008/2015; IV-6606250616). All applicable institutional, national and international guidelines for the care and use of animals were followed.
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da Silva-Carvalho, L.M., Genovez-Oliveira, J.L., de Souza Oliveira, M. et al. Polymorphism and genetic diversity of Isospora parnaitatiaiensis Silva, Rodrigues, Lopes, Berto, Luz, Ferreira & Lopes, 2015 (Eimeriidae) from antbirds (Thamnophilidae) in Brazil. Syst Parasitol 97, 847–855 (2020). https://doi.org/10.1007/s11230-020-09940-6
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DOI: https://doi.org/10.1007/s11230-020-09940-6