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首页> 外文期刊>Journal of Experimental Marine Biology and Ecology >3-Decanol in the haemolymph of the hermit crab Clibanarius vittatus signals shell availability to conspecifics
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3-Decanol in the haemolymph of the hermit crab Clibanarius vittatus signals shell availability to conspecifics

机译：寄居蟹Clibanarius vittatus的血淋巴中的3-癸醇将壳的可用性告知同种

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摘要

Hermit crabs with poor fitting shells are chemically attracted to dying gastropods and conspecifics where a shell may become available. For land hermit crabs, the shell cue is a volatile compound found in the haemolymph. Based on this knowledge, we tested the hypothesis that shell investigation behavior in aquatic hermit crabs, the ancestral predecessors of terrestrial hermit crabs, is also triggered by volatile cues. Volatile compounds from haemolymph of Clibanarius vittatus and Pagurus pollicaris and brachyuran decapod crustaceans were purged from a water-haemolymph solution, trapped in seawater and tested for induction of shell investigation behavior with juvenile C. vittatus. Only volatiles from C. vittatus haemolymph stimulated shell investigation. Volatile compounds were isolated from haemolymph by headspace solid-phase microextraction (SPME) and analyzed by coupled gas chromatography-mass spectrometry (GC-MS). Two prominent compounds were identified, 3-decanol, which was unique to C vittatus haemolymph, and 2-ethyl-1-hexanol, which was present in the haemolymph of all 4 crustacean species. In shell investigation bioassays, 3-decanol from C. vittatus haemolymph stimulated shell investigation behavior, while 2-ethyl-1-hexanol did not. In bioassays with synthetic 1 -, 2-, 4-, and 5-decanol, shell investigation behavior was evoked by 1-decanol, 5-decanol and 3-undecanol. There was no response to 2- and 4-decanol. The response of C. vittatus to volatile shell cues supports the hypothesis that volatile cue detection evolved prior to the occupation of terrestrial niches by crustaceans.
机译：外壳较差的寄居蟹在化学上被垂死的腹足纲动物和具特定特征的地方吸引，只要它们有外壳。对于寄居蟹来说，贝壳提示是在血淋巴中发现的挥发性化合物。基于此知识，我们检验了以下假设：在水生寄居蟹（陆地寄居蟹的祖先）中，贝壳调查行为也是由挥发性线索触发的。从水-血淋巴溶液中清除了来自Clibanarius vittatus和Pagurus pollicaris的血淋巴的挥发性化合物以及Brachyuran decapod甲壳类动物的溶液，将其截留在海水中，并测试了其对少年C. vittatus的壳调查行为的诱导作用。只有来自C. vittatus血淋巴的挥发物才刺激了壳的研究。通过顶空固相微萃取（SPME）从血淋巴中分离出挥发性化合物，并通过气相色谱-质谱联用（GC-MS）进行分析。鉴定出两个突出的化合物：3-癸烷醇（对于C Vittatus血淋巴而言是独特的）和2-乙基-1-己醇（存在于所有4种甲壳类动物的血淋巴中）。在外壳调查生物测定中，来自盾形梭菌血淋巴的3-癸醇刺激了外壳调查行为，而2-乙基-1-己醇则没有。在具有合成的1-，2-，4-和5-癸醇的生物测定中，壳的研究行为由1-癸醇，5-癸醇和3-十一烷醇引起。对2-和4-癸醇无反应。 C. vittatus对挥发性壳线索的反应支持以下假设：在甲壳类动物占领陆生壁the之前，挥发性线索的检测就已经发展起来。

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    Gesine Schmidt; Dan Rittschof; Kay Lutostanski; Alexander Batchelder; Tilmann Harder;

  • 作者单位

    Institute for Chemistry and Biology of the Marine Environment (ICBM), University of Oldenburg, P.O. Box 2503, D-26111 Oldenburg, Germany;

    Duke University Marine Laboratory, 135 Duke Marine Lab Road, Beaufort, NC 28516, USA;

    Duke University Marine Laboratory, 135 Duke Marine Lab Road, Beaufort, NC 28516, USA Department of Chemical and Biological Engineering, Tufts University, 4 Colby Street, Medford, MA 02155, USA;

    Biology Department, College of Charlesta 66 George Street. Charleston, SC 29424, USA;

    Centre for Marine Bio-Innovation(CMB), University of New South Wales, Sydney, NSW 2052, Australia;

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  • 关键词

    aquatic hermit crab; clibanarius vittatus; GC-MS; shell cue; SPME; volatile;

    机译：寄居蟹鹰嘴豆气相色谱-质谱贝壳提示SPME;易挥发的;

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