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首页> 外文期刊>Parasitology >Tracking year-to-year changes in intestinal nematode communities of rufous mouse lemurs (Microcebus rufus)
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Tracking year-to-year changes in intestinal nematode communities of rufous mouse lemurs (Microcebus rufus)

机译：跟踪红褐色鼠狐猴（Microcebus rufus）肠道线虫群落的逐年变化

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摘要

While it is known that intestinal parasite communities vary in their composition over time, there is a lack of studies addressing how variation in component communities (between-hosts) manifests in infracommunities (within-host) during the host lifespan. In this study, we investigate the changes in the intestinal parasite infracommunities in wild-living rufous mouse lemurs (Microcebus rufus) from Ranomafana National Park in southeastern Madagascar from 2010 to 2012. We used high-throughput barcoding of the 18S rRNA gene to interrogate parasite community structure. Our results show that in these nematode communities, there were two frequently occurring putative species and four rarer putative species. All putative species were randomly distributed over host individuals and they did not occur in clear temporal patterns. For the individuals caught in at least two different years, there was high turnover of putative species and high variation in fecal egg counts. Our study shows that while there was remarkable variation in infracommunities over time, the component community was relatively stable. Nevertheless, the patterns of prevalence varied substantially between years in each component community.
机译：尽管已知肠道寄生虫群落的组成随时间变化，但缺乏研究来探讨宿主生命周期内（宿主内部）弱势群体（宿主之间）的群落组成（宿主之间）的变化。在这项研究中，我们调查了马达加斯加东南部2010年至2012年来自Ranomafana国家公园的野生生活的红褐色鼠狐猴（Microcebus rufus）肠道寄生虫亚群的变化。我们使用了18S rRNA基因的高通量条形码来研究寄生虫社区结构。我们的结果表明，在这些线虫群落中，有两个常见的推定物种和四个稀有的推定物种。所有假定的物种都随机分布在宿主个体上，并且它们没有以清晰的时间模式出现。对于至少在两个不同年份中被捕的个体，推定物种的周转率很高，粪便卵数变化也很大。我们的研究表明，尽管随着时间的流逝，基础设施的变化显着，但组成群体却相对稳定。然而，在每个组成部分社区中，流行的模式在几年之间存在很大差异。

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