Journal of Chemical Ecology

, Volume 33, Issue 9, pp 1787–1794 | Cite as

Nitroalkenes and Sesquiterpene Hydrocarbons from the Frontal Gland of Three Prorhinotermes Termite Species

  • Rafal Piskorski
  • Robert Hanus
  • Soňa Vašíčková
  • Josef Cvačka
  • Jan Šobotník
  • Aleš Svatoš
  • Irena Valterová
Article

Abstract

Frontal gland contents of soldiers of three Prorhinotermes species, Prorhinotermes canalifrons, Prorhinotermes inopinatus, and Prorhinotermes simplex, consisted of two groups of compounds: nitroalkenes and sesquiterpene hydrocarbons. Analysis by gas chromatography-mass spectrometry revealed (E)-1-nitropentadec-1-ene as the major component of the glands with mean values of 152, 207, and 293 μg/individual for P. canalifrons, P. inopinatus, and P. simplex, respectively. Four other 1-nitroalkenes (C13, C14, C16, and C17), and two nitrodienes (C15 and C17) were also detected in the three species. The C17:1 nitroalkene was identified as (E)-1-nitroheptadec-1-ene. The sesquiterpene composition of the gland was species-specific: P. simplex contained (3Z,6E)-α-farnesene (mean of 39 μg/individual), while P. canalifrons and P. inopinatus contained the same compound (means of 0.5 and 1.5 μg/individual, respectively) as well as the (3E,6E) isomer (means of 1.8 and 0.7 μg/individual, respectively). Two other sesquiterpenes, trans-β-bergamotene and (Z)-γ-bisabolene, were also found in low quantities in the frontal gland of P. canalifrons.

Keywords

Nitroalkenes α-Farnesene Termite soldier Frontal gland Prorhinotermes GC/FT-IR 

Notes

Acknowledgements

We are grateful to Christian Bordereau and Alain Robert for providing us with the P. canalifrons colony. The P. inopinatus material was obtained thanks to a project funded by the US National Science Foundation (DEB-02-11591). We kindly acknowledge Anna-Karin Borg-Karlson for the gift of pure (3E,6E)-α-farnesene and Erin Walsh for the language corrections. Financial support was provided by the Grant Agency of the Academy of Sciences of the Czech Republic (A600550614), and the Z4 055 0506 project realized in the Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Prague.

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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  • Rafal Piskorski
    • 1
  • Robert Hanus
    • 1
  • Soňa Vašíčková
    • 1
  • Josef Cvačka
    • 1
  • Jan Šobotník
    • 1
  • Aleš Svatoš
    • 1
    • 2
  • Irena Valterová
    • 1
  1. 1.Institute of Organic Chemistry and BiochemistryAcademy of Sciences of the Czech RepublicPraha 6Czech Republic
  2. 2.Max Planck Institute for Chemical EcologyJenaGermany

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