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Título: | Higher infection probability of haemosporidian parasites in Blue-black Grassquits (Volatinia jacarina) inhabiting native vegetation across Brazil. |
Autor(es): | Fecchio, Alan Ribeiro, Rayane de Tasso Moreira Ferreira, Francisco C. Dutra, Daniela de Angeli Pascoli, Graziela Virginia Tolesano Oliveira, Renata Duarte Alquezar de Khan, Asmat Ullah Pichorim, Mauro Moreira, Patrícia de Abreu Nascimento, Maria de Jesus Costa Monteiro, Eliana Ferreira Mathias, Bruno S. Guimarães, Lilian de Oliveira Simões, Roseli F. Braga, Érika Martins Kirchgatterk, Karin Dias, Raphael Igor |
Palavras-chave: | Anthropogenic change Disease ecology Haemoproteus - Parahaemoproteus Parasite diversity Plasmodium |
Data do documento: | 2021 |
Referência: | FECCHIO, A. et al. Higher infection probability of haemosporidian parasites in Blue-black Grassquits (Volatinia jacarina) inhabiting native vegetation across Brazil. Parasitology International, v. 80, artigo 102204, fev. 2021. Disponível em: <https://www.sciencedirect.com/science/article/abs/pii/S1383576920301549>. Acesso em: 12 maio 2021. |
Resumo: | Human induced changes on landscape can alter the biotic and abiotic factors that influence the transmission of vector-borne parasites. To examine how infection rates of vector-transmitted parasites respond to changes on natural landscapes, we captured 330 Blue-black Grassquits (Volatinia jacarina) in Brazilian biomes and assessed the prevalence and diversity of avian haemosporidian parasites (Plasmodium and Haemoproteus) across avian host populations inhabiting environment under different disturbance and climatic conditions. Overall prevalence in Blue-black Grassquits was low (11%) and infection rates exhibited considerable spatial variation, ranging from zero to 39%. Based on genetic divergence of cytochrome b gene, we found two lineages of Haemoproteus (Parahaemoproteus) and 10 of Plasmodium. We showed that Blue-black Grassquit populations inhabiting sites with higher proportion of native vegetation cover were more infected across Brazil. Other landscape metrics (number of water bodies and distance to urban areas) and climatic condition (temperature and precipitation) known to influence vector activity and promote avian malaria transmission did not explain infection probability in Blue-black Grassquit populations. Moreover, breeding season did not explain prevalence across avian host populations. Our findings suggest that avian haemosporidian prevalence and diversity in Blue-black Grassquit populations are determined by recent anthropogenic changes in vegetation cover that may alter microclimate, thus influencing vector activity and parasite transmission. |
URI: | http://www.repositorio.ufop.br/jspui/handle/123456789/13801 |
Link para o artigo: | https://www.sciencedirect.com/science/article/abs/pii/S1383576920301549 |
DOI: | https://doi.org/10.1016/j.parint.2020.102204 |
ISSN: | 1383-5769 |
Aparece nas coleções: | DEBIO - Artigos publicados em periódicos |
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Arquivo | Descrição | Tamanho | Formato | |
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ARTIGO_HigherInfectionProbability.pdf Restricted Access | 813,77 kB | Adobe PDF | Visualizar/Abrir |
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