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Climate variation influences host specificity in avian malaria parasites.
Fecchio, Alan; Wells, Konstans; Bell, Jeffrey A; Tkach, Vasyl V; Lutz, Holly L; Weckstein, Jason D; Clegg, Sonya M; Clark, Nicholas J.
Afiliação
  • Fecchio A; Laboratório de Evolução e Biogeografia, Universidade Federal da Bahia, Rua Barão de Jeremoabo 147, Salvador, BA, 40170115, Brazil.
  • Wells K; Department of Biosciences, Swansea University, Swansea, SA2 8PP, UK.
  • Bell JA; Department of Biology, University of North Dakota, 1 Campus Drive and Cornell Street, Grand Forks, ND, 58202, USA.
  • Tkach VV; Department of Biology, University of North Dakota, 10 Cornell Street, Grand Forks, ND, 58202, USA.
  • Lutz HL; Department of Surgery, University of Chicago, 5812 S. Ellis Ave., Chicago, IL, 606372, USA.
  • Weckstein JD; Integrative Research Center, Field Museum of Natural History, 1400 S. Lake Shore Drive, Chicago, IL, 60605, USA.
  • Clegg SM; Department of Ornithology, Academy of Natural Sciences and Department of Biodiversity, Earth, and Environmental Sciences, Drexel University, 1900 Benjamin Franklin Parkway, Philadelphia, PA, 19103, USA.
  • Clark NJ; Edward Grey Institute of Field Ornithology, Department of Zoology, University of Oxford, Oxford, OX1 3PS, UK.
Ecol Lett ; 22(3): 547-557, 2019 Mar.
Article em En | MEDLINE | ID: mdl-30637890
Parasites with low host specificity (e.g. infecting a large diversity of host species) are of special interest in disease ecology, as they are likely more capable of circumventing ecological or evolutionary barriers to infect new hosts than are specialist parasites. Yet for many parasites, host specificity is not fixed and can vary in response to environmental conditions. Using data on host associations for avian malaria parasites (Apicomplexa: Haemosporida), we develop a hierarchical model that quantifies this environmental dependency by partitioning host specificity variation into region- and parasite-level effects. Parasites were generally phylogenetic host specialists, infecting phylogenetically clustered subsets of available avian hosts. However, the magnitude of this specialisation varied biogeographically, with parasites exhibiting higher host specificity in regions with more pronounced rainfall seasonality and wetter dry seasons. Recognising the environmental dependency of parasite specialisation can provide useful leverage for improving predictions of infection risk in response to global climate change.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Parasitos / Malária Aviária Tipo de estudo: Prognostic_studies Limite: Animals Idioma: En Revista: Ecol Lett Ano de publicação: 2019 Tipo de documento: Article País de afiliação: Brasil País de publicação: Reino Unido
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Parasitos / Malária Aviária Tipo de estudo: Prognostic_studies Limite: Animals Idioma: En Revista: Ecol Lett Ano de publicação: 2019 Tipo de documento: Article País de afiliação: Brasil País de publicação: Reino Unido