Age-Dependent Changes in the Chemistry of Exocrine Glands of Bombus terrestris Queens |
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| Authors: | Klára Urbanová Lucie Cahlíková Old?ich Hovorka Vladimír Ptá?ek Irena Valterová |
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| Affiliation: | (1) Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Flemingovo nám. 2, 166 10 Praha 6, Czech Republic;(2) Department of Chemistry of Natural Compounds, Institute of Chemical Technology, Technická 5, 166 28 Praha, Czech Republic;(3) Department of Animal Physiology and Immunology, Faculty of Science, Masaryk University, Kotlářská 2, 637 11 Brno, Czech Republic |
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| Abstract: | Extracts of three different glands (mandibular, labial, and Dufour’s) of virgin Bombus terrestris queens at ten different ages (1–8, 12, and 18 days) were analyzed for chemical composition. One hundred and twenty-seven
compounds were identified in the extracts. The mandibular and labial glands contained previously reported electroantennogram-active
compounds (3-hydroxydecanoic acid, fatty acids of different chain lengths, their esters, and heptacosene). These compounds
reached a maximum concentration in 3- to 7-d-old queens. Geranylcitronellol was found in both labial and Dufour’s glands.
Its amount was inversely correlated to age of queens. |
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| Keywords: | Apidae Bombus terrestris Bumblebees Queens Gland secretions Sex pheromone 3-hydroxydecanoic acid Hymenoptera Bombini |
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