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首页> 外文期刊>Parasitology >Taxonomic approaches to and interpretation of host specificity of trematodes of fishes: lessons from the Great Barrier Reef.
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Taxonomic approaches to and interpretation of host specificity of trematodes of fishes: lessons from the Great Barrier Reef.

机译：鱼类吸虫的生物分类方法和宿主特异性的解释：大堡礁的教训。

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SUMMARYThe taxonomy of trematodes of Great Barrier Reef (GBR) fishes has been studied in some detail for over 20 years. Understanding of the fauna has been informed iteratively by approaches to sampling, understanding of morphology, the advent of molecular methodology and a feed-back loop from the emergent understanding of host specificity. Here we analyse 658 host-parasite combinations for 290 trematode species, 152 genera and 28 families from GBR fishes. These are reported from 8 orders, 38 families, 117 genera and 243 species of fishes. Of the 290 species, only 4 (1.4%) have been reported from more than one order of fishes and just 23 (7.9%) infect more than one family; 77.9% of species are known from only one genus, and 60% from only one species of fish. Molecular studies have revealed several complexes of cryptic species and others are suspected; we conclude that no euryxenous host distribution should be accepted on the basis of morphology only. The occurrence of individual trematode species in potential hosts is patchy and difficult to predict reliably a priori or explain convincingly a posteriori. These observations point to the need for a vigorous iterative interaction between the accretion of host specificity data and its interpretation.
机译：总结20多年来，对大堡礁（GBR）鱼类的吸虫的分类法进行了详细研究。通过采样方法，形态学理解，分子方法学的出现以及对宿主特异性的新认识的反馈循环，反复了解动物。在这里，我们分析了来自GBR鱼类的290种吸虫，152属和28个科的658种寄主-寄生虫组合。这些来自8个订单，38个科，117属和243种鱼类。在这290个物种中，仅从一种以上的鱼类中报告了4种（1.4％），而在一个以上的家庭中感染了23种（7.9％）。仅从一种属中就知道了77.9％的物种，仅从一种鱼中就知道了60％的物种。分子研究揭示了几种隐性物种的复合物，而其他则被怀疑。我们得出的结论是，不应仅根据形态学来接受无性宿主分布。在潜在宿主中单个吸虫物种的发生是零散的，并且难以可靠地先验地预测或令人信服地解释后验。这些观察结果表明需要在宿主特异性数据的增加及其解释之间进行强烈的迭代相互作用。

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