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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Host-specific spatial and temporal variation in culturable gut bacterial communities of dragonflies
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Host-specific spatial and temporal variation in culturable gut bacterial communities of dragonflies

机译：蜻蜓可培养肠道细菌群落中宿主特异性的时空变化

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摘要

Many microbial communities are associated with specific animal hosts, with major impacts on the ecological and evolutionary dynamics of both partners. We analysed gut microbial communities of eight dragonfly species in southern India. Adult dragonflies are generalist opportunistic predators; thus, we expected to find relatively high individual variation but low host-specific variation in their gut community composition. However, we find that each host species has a distinct gut bacterial community, with sampling location and month playing a small but significant role in shaping community structure. These patterns suggest that dragonflies either specialize on subsets of available prey, or their guts impose differential selective pressures resulting in distinct communities.
机译：许多微生物群落与特定的动物宿主有关，这对双方的生态和进化动力学都有重大影响。我们分析了印度南部八个蜻蜓物种的肠道微生物群落。成年蜻蜓是多面手的机会性掠食者。因此，我们期望在其肠道群落组成中发现相对较高的个体变异，但较低的宿主特异性变异。但是，我们发现每种寄主物种都有一个独特的肠道细菌群落，采样位置和月份在塑造群落结构中起着很小但很重要的作用。这些模式表明，蜻蜓要么专门研究可用猎物的子集，要么它们的胆量施加不同的选择性压力，从而形成不同的群落。

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