期刊
PARASITOLOGY
卷 143, 期 13, 页码 1730-1747出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0031182016001372
关键词
Haemogregarine; eimeriorina; amphibian; host-parasite associations; ecology; altitude; host relatedness; prevalence; intensity; parasitaemia
类别
资金
- Fundacao para a Ciencia e a Tecnologia (FCT) [SFRH/BD/74305/2010]
- European Social Fund (ESF)
- Portuguese Ministerio da Educacao e Ciencia
- Juan de la Cierva contract from the Ministerio de Educacion y Ciencia, Spain
- European Commission [ERG-PARIS-276838]
- FEDER through the compete programme
- project 'Genomics and Evolutionary Biology' - North Portugal Regional Operational Programme (ON. 2) under NSRF through the European Regional Development Fund
- Ministerio de Economia y Competitividad, Spain - FEDER [CGL2012-36970]
- Fundação para a Ciência e a Tecnologia [SFRH/BD/74305/2010] Funding Source: FCT
Understanding the processes that shape parasite diversification, their distribution and abundance provides valuable information on the dynamics and evolution of disease. In this study, we assessed the diversity, distribution, host-specificity and infection patterns of apicomplexan parasites in amphibians and reptiles from Oman, Arabia. Using a quantitative PCR approach we detected three apicomplexan parasites (haemogregarines, lankesterellids and sarcocystids). A total of 13 haemogregarine haplotypes were identified, which fell into four main clades in a phylogenetic framework. Phylogenetic analysis of six new lankesterellid haplotypes revealed that these parasites were distinct from, but phylogenetically related to, known Lankesterella species and might represent new taxa. The percentage of infected hosts (prevalence) and the number of haemogregarines in the blood (parasitaemia) varied significantly between gecko species. We also found significant differences in parasitaemia between haemogregarine parasite lineages (defined by phylogenetic clustering of haplotypes), suggesting differences in host-parasite compatibility between these lineages. For Pristurus rupestris, we found significant differences in haemogregarine prevalence between geographical areas. Our results suggest that host ecology and host relatedness may influence haemogregarine distributions and, more generally, highlight the importance of screening wild hosts from remote regions to provide new insights into parasite diversity.
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