Department of Applied Biology, Kyoto Institute of Technology, 606, Kyoto, Japan.
J Chem Ecol. 1990 Aug;16(8):2549-57. doi: 10.1007/BF01017477.
Whole body extracts of the termite,Reticulitermes speratus, were subjected to various chemical operations and bioassays to examine the presence of trail-pheromone precursor. Fractions that mainly contained fatty acid esters were obtained from hexane extracts by means of silica gel column chromatography. Trail-following activity of the fractions was activated by alkaline hydrolysis, while the original fractions did not show any conspicuous activity. Bioassay showed that the activity of hydrolyzed product was approximately 20 times as high as the original hexane extract. This suggests that the precursor candidate could be stored in termite bodies as an esterified form. Chemical analyses revealed that the complete structure of the hydrolyzed product was coincident with that of the native pheromone ((Z,Z,E)-3,6,8-dodecatrien-1-ol).
对来自白蚁(Reticulitermes speratus)的全身体提取物进行了各种化学操作和生物测定,以检查是否存在示踪信息素前体。通过硅胶柱层析从正己烷提取物中获得主要含有脂肪酸酯的馏分。碱性水解激活了馏分的追踪活性,而原始馏分则没有表现出任何明显的活性。生物测定表明,水解产物的活性大约是原始正己烷提取物的 20 倍。这表明前体候选物可能以酯化形式储存在白蚁体内。化学分析表明,水解产物的完整结构与天然信息素((Z,Z,E)-3,6,8-十二碳三烯-1-醇)一致。