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首页> 外文期刊>Parasitology >Host associations and turnover of haemosporidian parasites in manakins (Aves: Pipridae)
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Host associations and turnover of haemosporidian parasites in manakins (Aves: Pipridae)

机译：马纳克斯（Aves：Pipridae）的寄宿血清孢子寄生虫的宿主协会和营业额

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摘要

Parasites of the genera Plasmodium and Haemoproteus (Apicomplexa: Haemosporida) are a diverse group of pathogens that infect birds nearly worldwide. Despite their ubiquity, the ecological and evolutionary factors that shape the diversity and distribution of these protozoan parasites among avian communities and geographic regions are poorly understood. Based on a survey throughout the Neotropics of the haemosporidian parasites infecting manakins (Pipridae), a family of Passerine birds endemic to this region, we asked whether host relatedness, ecological similarity and geographic proximity structure parasite turnover between manakin species and local manakin assemblages. We used molecular methods to screen 1343 individuals of 30 manakin species for the presence of parasites. We found no significant correlations between manakin parasite lineage turnover and both manakin species turnover and geographic distance. Climate differences, species turnover in the larger bird community and parasite lineage turnover in non-manakin hosts did not correlate with manakin parasite lineage turnover. We also found no evidence that manakin parasite lineage turnover among host species correlates with range overlap and genetic divergence among hosts. Our analyses indicate that host switching (turnover among host species) and dispersal (turnover among locations) of haemosporidian parasites in manakins are not constrained at this scale.
机译：疟原虫属和血变形杆菌属（Apicomplexa:Haemosporida）的寄生虫是一组多样的病原体，几乎在全世界范围内感染鸟类。尽管这些原生动物普遍存在，但人们对决定这些原生动物寄生虫在鸟类群落和地理区域中多样性和分布的生态和进化因素知之甚少。基于对感染该地区特有雀形目鸟类家族马纳金（Pipridae）的血孢子虫寄生虫在整个新热带地区的调查，我们询问了马纳金物种和当地马纳金组合之间的宿主相关性、生态相似性和地理邻近性是否构成了寄生虫周转。我们使用分子方法对30种马纳金物种的1343个人进行了寄生虫筛查。我们发现马纳金寄生虫谱系更替与马纳金物种更替和地理距离之间没有显著相关性。气候差异、较大鸟类群落的物种更替和非马纳金宿主的寄生虫谱系更替与马纳金寄生虫谱系更替无关。我们也没有发现任何证据表明寄主物种之间的马纳金寄生虫谱系更替与寄主之间的范围重叠和遗传差异相关。我们的分析表明，马纳金体内血孢子虫寄生虫的宿主转换（宿主物种之间的转换）和传播（地点之间的转换）不受这种规模的限制。

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