Chemosensory behaviors of parasites.

Chemosensory behaviors of parasites.
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DOI:
10.1016/j.pt.2012.07.004
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发表时间:
2012-10
影响因子:
9.6
通讯作者:
Hallem EA
Hallem EA
中科院分区:
医学1区
文献类型:
--
作者:
Chaisson KE;Hallem EA

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许多多细胞寄生虫通过追踪宿主排放的化学物质来寻找宿主。寻找宿主是寄生蠕虫等内生寄生虫以及蚊子和扁虱等体外寄生虫的特征。这些寄生虫中的许多利用呼吸副产品二氧化碳(CO2)和宿主特有的化学物质来确定宿主的位置。最近的工作已经开始阐明寄生虫对二氧化碳和其他寄主化学物质的行为反应,并揭示这些反应的机制。在这里,我们讨论最近的发现,这些发现极大地促进了我们对寻找宿主的寄生虫的化学感觉行为的理解。我们主要关注研究良好的寄生虫,如线虫和昆虫,同时也注意到在一些研究较少的寄生虫中广泛相关的发现。
Many multicellular parasites seek out hosts by following trails of host-emitted chemicals. Host seeking is characteristic of endoparasites such as parasitic worms as well as ectoparasites such as mosquitoes and ticks. Many of these parasites use carbon dioxide (CO2), a respiration byproduct, in combination with host-specific chemicals for host location. Recent work has begun to elucidate the behavioral responses of parasites to CO2 and other host chemicals, and to unravel the mechanisms of these responses. Here we discuss recent findings that have greatly advanced our understanding of the chemosensory behaviors of host-seeking parasites. We focus primarily on well-studied parasites such as nematodes and insects, while also noting broadly relevant findings in a few less well-studied parasites.
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