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Chemical Compound Review

Bombykol     (10E,12Z)-hexadeca-10,12- dien-1-ol

Synonyms: Isobombycol, Isobombykol, CHEBI:41200, LS-74810, LMFA05000007, ...
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Disease relevance of Bombykol


Psychiatry related information on Bombykol

  • The mechanical stimulation from the insertion of a penis, inflation of the bursa copulatrix (BC), or copulation with the sterile male whose penis was removed in order to prevent ejaculation (pr-male) induced only a partial decline in bombykol production [2].

High impact information on Bombykol

  • Bombykol stimulation of Xenopus laevis oocytes expressing BmOR-1 and BmGalphaq elicited robust dose-dependent inward currents on two-electrode voltage clamp recordings, demonstrating that the binding of bombykol to BmOR-1 leads to the activation of a BmGalphaq-mediated signaling cascade [1].
  • The structure of the pheromone-binding protein, its binding and recognition of bombykol, and its full role in signal transduction are not known [3].
  • In the male moth's antennae, a pheromone-binding protein conveys bombykol to a membrane-bound receptor on a nerve cell [3].
  • CONCLUSIONS: The pheromone binding protein of B. mori has six helices, and bombykol binds in a completely enclosed hydrophobic cavity formed by four antiparallel helices [3].
  • The enormous capacity of the male silkmoth Bombyx mori in recognizing and discriminating bombykol and bombykal is based on distinct sensory neurons in the antennal sensilla hairs [4].

Biological context of Bombykol


Anatomical context of Bombykol

  • Neither implantation of the BC obtained from mated females, nor injection of the spermatophore extract, into a female mated with a pr-male could inactivate bombykol production [2].
  • Injection of hemolymph from a mated female into a virgin also failed to affect bombykol production These results indicate that a combination of both the tactile stimulation of the abdominal tip and the arrival of fertile spermatozoa in the vestibulum trigger a neural inactivation mechanism of bombykol production after mating [2].

Associations of Bombykol with other chemical compounds

  • The sensilla trichodea of the silkmoth Bombyx mori are supplied by two receptor neurons each tuned specifically to one of the two pheromone components bombykol and bombykal, but only one type of PBP has been found so far in these sensilla [8].
  • These results indicate that compactin, W-7 and trifluoperazine directly suppress the step catalyzed by acyl CoA reductase, whereas EDTA, LaCl3, pNPP, and NaF inhibit bombykol production by affecting other biochemical steps in the signal transduction of PBAN action [9].

Analytical, diagnostic and therapeutic context of Bombykol


  1. Identification and functional characterization of a sex pheromone receptor in the silkmoth Bombyx mori. Sakurai, T., Nakagawa, T., Mitsuno, H., Mori, H., Endo, Y., Tanoue, S., Yasukochi, Y., Touhara, K., Nishioka, T. Proc. Natl. Acad. Sci. U.S.A. (2004) [Pubmed]
  2. Combinative stimulation inactivates sex pheromone production in the silkworm moth, Bombyx mori. Karube, F., Kobayashi, M. Arch. Insect Biochem. Physiol. (1999) [Pubmed]
  3. Sexual attraction in the silkworm moth: structure of the pheromone-binding-protein-bombykol complex. Sandler, B.H., Nikonova, L., Leal, W.S., Clardy, J. Chem. Biol. (2000) [Pubmed]
  4. A pheromone-binding protein mediates the bombykol-induced activation of a pheromone receptor in vitro. Grosse-Wilde, E., Svatos, A., Krieger, J. Chem. Senses (2006) [Pubmed]
  5. Elementary receptor currents elicited by a single pheromone molecule exhibit quantal composition. Redkozubov, A. Pflugers Arch. (2000) [Pubmed]
  6. Pheromone Discrimination by the Pheromone-Binding Protein of Bombyx mori. Gr??ter, F., Xu, W., Leal, W., Grubm??ller, H. Structure (2006) [Pubmed]
  7. Cell-free production of the silkworm sex pheromone bombykol. Matsumoto, S., Ozawa, R., Uchiumi, K., Kurihara, M. Biosci. Biotechnol. Biochem. (1996) [Pubmed]
  8. Pheromone-binding proteins contribute to the activation of olfactory receptor neurons in the silkmoths antheraea polyphemus and Bombyx mori. Pophof, B. Chem. Senses (2004) [Pubmed]
  9. Intracellular signal transduction of PBAN action in the silkworm, Bombyx mori: involvement of acyl CoA reductase. Ozawa, R., Matsumoto, S. Insect Biochem. Mol. Biol. (1996) [Pubmed]
  10. Pheromone processing center in the protocerebrum of Bombyx mori revealed by nitric oxide-induced anti-cGMP immunocytochemistry. Seki, Y., Aonuma, H., Kanzaki, R. J. Comp. Neurol. (2005) [Pubmed]
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