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【目的】测定红火蚁Solenopsis invicta Buren工蚁对其跟踪信息素的触角电位（EAG）及行为反应。【方法】解剖红火蚁工蚁的杜氏腺, 用正己烷溶剂提取其分泌的跟踪信息素进行气相色谱-质谱（GC-MS）分析, 并测定了红火蚁工蚁对杜氏腺提取物、 工蚁提取物和合成的法尼烯混合物的EAG和招募行为反应。【结果】通过与合成的法尼烯混合物的气相色谱（GC）保留时间和质谱图比对, 发现杜氏腺提取物的主要成分并不是Z, E-α-法尼烯。EAG测定结果表明, 红火蚁工蚁对杜氏腺提取物、 工蚁提取物及100 μg的法尼烯混合物均有较强的EAG反应, 其次为10 μg和1 μg的法尼烯混合物。在招募行为测定中, 杜氏腺提取物和工蚁提取物招募作用明显, 而10, 1, 0.1和0.01 μg法尼烯混合物的作用均不显著。【结论】Z, E-α-法尼烯不是红火蚁跟踪信息素的主要成分; 红火蚁工蚁对杜氏腺提取物、 工蚁提取物有较强的EAG反应和明显的招募行为反应。 相似文献
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E. David Morgan Harald Jungnickel Johan Billen Fuminori Ito Jan Bergmann Bruno Gobin 《Biochemical Systematics and Ecology》2008
The chemistry of the exocrine glands of three species of the small and little-known ant subfamily Cerapachyinae has been examined for the first time. The mandibular glands of Cerapachys jacobsoni contained acetophenone and skatole, but some individuals contained, in addition, 4-methyl-3-heptanone and 3-octanol. The mandibular glands of the new species, presently known as Cerapachys sp. 15 of FI contained 4-methyl-3-heptanone, as the major substance but also 4-methyl-3-heptanol, methyl 6-ethylsalicylate, and traces of 4,5-dimethyl-4-hexen-3-one and homomanicone. The Dufour glands of C. jacobsoni contained a mixture of higher aldehydes, acetates and other esters, with a small amount of hydrocarbons, all in the range C11–C20. The Dufour glands of Cylindromyrmex whymperi contained a mixture of long-chain epoxides, the second ant species to display them. The sternal glands of C. whymperi contain a recruitment pheromone, but only partial identification of the contents was possible. The venom glands of all three species were devoid of volatile material. The Dufour glands of Cerapachys sp. 15 of FI and the mandibular glands of C. whymperi had no detectable volatile contents. 相似文献
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《Molecular & cellular proteomics : MCP》2022,21(11):100418
Importin β1 (KPNB1) is a nucleocytoplasmic transport factor with critical roles in both cytoplasmic and nucleocytoplasmic transport, hence there is keen interest in the characterization of its subcellular interactomes. We found limited efficiency of BioID in the detection of importin complex cargos and therefore generated a highly specific and sensitive anti-KPNB1 monoclonal antibody to enable biotinylation by antibody recognition analysis of importin β1 interactomes. The monoclonal antibody recognizes an epitope comprising residues 301-320 of human KPBN1 and strikingly is highly specific for cytoplasmic KPNB1 in diverse applications, with little reaction with KPNB1 in the nucleus. Biotinylation by antibody recognition with this novel antibody revealed numerous new interactors of importin β1, expanding the KPNB1 interactome to cytoplasmic and signaling complexes that highlight potential new functions for the importins complex beyond nucleocytoplasmic transport. Data are available via ProteomeXchange with identifier PXD032728. 相似文献
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