Host location in flow by larvae of the symbiotic barnacle Trevathana dentata using odour–gated rheotaxis
Host location in flow by larvae of the symbiotic barnacle Trevathana dentata using odour–gated rheotaxis
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利用气味门控流变性确定共生藤壶 Trevathana dentata 幼虫在流动中的宿主位置
DOI：
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发表时间：
2004
期刊：
影响因子：
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通讯作者：
A. Abelson
中科院分区：
文献类型：
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作者：
Z. Pasternak;B. Blasius;Y. Achituv;A. Abelson
水生环境中特定生物的检测和定位，无论它们是配偶、猎物还是定居点，都是水生动物面临的两个最重要的挑战。大型海洋无脊椎动物，如龙虾，已被发现通过在目标排放的化学品羽流中航行来确定特定生物的位置。然而，海洋幼虫等小型生物在流动中的主动羽流跟踪很少受到科学关注。在这里，我们提出了一项研究的结果，检查主机的位置在流动的藤壶Trevathana dentata，栖息在石礁珊瑚Cyphastrea chalcidicum的无节幼体。实验包括在四种条件下在环形水槽中的幼虫运动的分析：（i）静水，（ii）在流中，（iii）在静水中与水性宿主代谢物和（iv）在流中与宿主代谢物。结果表明，T.有齿无节幼体不能利用趋化性在静水中定位它们的目标生物体，但是能够利用气味门控趋流性在流动中有效地定位宿主。这种技术可以使主机定位较早，发育不全的幼虫阶段。
The detection and location of specific organisms in the aquatic environment, whether they are mates, prey or settlement sites, are two of the most important challenges facing aquatic animals. Large marine invertebrates such as lobsters have been found to locate specific organisms by navigating in the plume of chemicals emitted by the target. However, active plume tracking in flow by small organisms such as marine larvae has received little scientific attention. Here, we present results from a study examining host location in flow by nauplius larvae of the barnacle Trevathana dentata, which inhabits the stony reef coral Cyphastrea chalcidicum. The experiments included analysis of larval motion in an annular flume under four conditions: (i) still water, (ii) in flow, (iii) in still water with waterborne host metabolites and (iv) in flow with host metabolites. Our results show that T. dentata nauplii are unable to locate their target organism in still water using chemotaxis, but are capable of efficient host location in flow using odour–gated rheotaxis. This technique may enable host location by earlier, less–developed larval stages.
DOI：
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发表时间：
1994-12
期刊：
The Journal of experimental biology
影响因子：
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作者：
M. Weissburg;R. K. Zimmer-Faust
通讯作者：
M. Weissburg;R. K. Zimmer-Faust