Helminth species richness in wild wood mice, Apodemus sylvaticus, is enhanced by the presence of the intestinal nematode Heligmosomoides polygyrus
Helminth species richness in wild wood mice, Apodemus sylvaticus, is enhanced by the presence of the intestinal nematode Heligmosomoides polygyrus
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DOI：
10.1017/s0031182009006039
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发表时间：
2009-06-01
期刊：
影响因子：
2.4
通讯作者：
Lewis, J. W.
中科院分区：
文献类型：
--
作者：
Behnke, J. M.;Eira, C.;Lewis, J. W.
我们分析了3个独立收集的数据集，充分普查的蠕虫负担的木材小鼠，森林姬鼠，测试先验假设的Behnke等。（2005年），肠道线虫Heligmosomoides polygyrus的存在，使木材小鼠携带其他物种的蠕虫。在葡萄牙，携带H.多脑回显示其他蠕虫的流行率较高，但影响程度是季节性的。在Egham，H.多脑回显示其他蠕虫物种的患病率较高，不受其他因素的混淆。在Malham Tarn，携带H.多脑回小鼠更容易感染其他物种，但仅限于年龄较大的小鼠。考虑到其他因素，重残H。在葡萄牙和Egham的数据中，多脑回感染携带了更多种类的其他蠕虫; Malham的物种丰富度太低，无法进行类似的分析，但H.多脑回蠕虫负担增加，因此其他蠕虫的流行也增加。我们的结果支持Behnke等人（2005）的结果，提供了有力的证据，证明在物种丰富度水平上，现已确定了一种高度可预测的木鼠合并感染因素：H.多脑回对于木鼠对其他肠道蠕虫物种的易感性具有可检测的后果。
We analysed 3 independently collected datasets of fully censused helminth burdens in wood mice, Apodemus sylvaticus, testing the a priori hypothesis of Behnke et al. (2005) that the presence of the intestinal nematode Heligmosomoides polygyrus predisposes wood mice to carrying other species of helminths. In Portugal, mice carrying H. polygyrus showed a higher prevalence of other helminths but the magnitude of the effect was seasonal. In Egham, mice with H. polygyrus showed a higher prevalence of other helminth species, not confounded by other factors. In Malham Tarn, mice carrying H. polygyrus were more likely to be infected with other species, but only among older mice. Allowing for other factors, heavy residual H. polygyrus infections carried more species of other helminths in both the Portugal and Egham data; species richness in Malham was too low to conduct a similar analysis, but as H. polygyrus worm burdens increased, so the prevalence of other helminths also increased. Our results Support those of Behnke et al. (2005), providing firm evidence that at the level of species richness a highly predictable element of co-infections in wood mice has now been defined: infection with H. polygyrus has detectable consequences for the susceptibility of wood mice to other intestinal helminth species.