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首页> 外文期刊>Auk >Injecting the mite into ecological immunology: Measuring the antibody response of House Sparrows (Passer domesticus) challenged with hematophagous mites
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Injecting the mite into ecological immunology: Measuring the antibody response of House Sparrows (Passer domesticus) challenged with hematophagous mites

机译:将螨虫注入生态免疫学:测量受到食血螨虫攻击的麻雀(Passer domesticus)的抗体反应

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摘要

Passerine birds, especially during the breeding season and nestling development, are exposed to an array of hematophagous ectoparasites. Although the direct consequences of mite infestation on host fitness and immunological function have been investigated in the Domestic Chicken (Gallus gallus domesticus), parasite-specific immune responses to ectoparasites in passerine species have not been examined in great detail. We investigated the humoral immune response of House Sparrows (Passer domesticus) to hematophagous mite antigens and tested for the presence of mite-specific antibodies in adults, egg yolks, and nestlings in a wild population that was naturally exposed to ectoparasitic mites. Our results showed that adult House Sparrows can mount a specific adaptive immune response against hematophagous mite antigens. Further, we demonstrate that mite-specific antibodies are present in wild House Sparrow populations naturally infested with ectoparasites. The results of this study provide ecological immunologists with a tool for examining host-parasite interactions via a parasite-specific immune assay.
机译:雀形目鸟类,特别是在繁殖季节和雏鸟发育期间,会接触到一系列嗜血的体外寄生虫。尽管在家养鸡(Gallus gallus domesticus)中研究了螨虫侵染对宿主健康和免疫功能的直接影响,但尚未详细研究对雀形目物种中对寄生虫的寄生虫特异性免疫反应。我们调查了麻雀(Passer domesticus)对食血螨抗原的体液免疫反应,并测试了成虫,蛋黄和雏鸟在自然暴露于外寄生螨的野生种群中螨特异性抗体的存在。我们的结果表明,成年的麻雀可以针对血红螨抗原进行特异性的适应性免疫应答。此外,我们证明了螨特异性抗体存在于自然被外寄生虫侵害的野生麻雀种群中。这项研究的结果为生态免疫学家提供了一种通过寄生虫特异性免疫测定法检查宿主-寄生虫相互作用的工具。

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