References
Bernays EA, Chapman RF, Hartmann T (2002a) A highly sensitive taste receptor cell for pyrrolizidine alkaloids in the lateral galeal sensillum of a polyphagous caterpillar, Estigmene acrea. J Comp Physiol A 188:715–23
Bernays EA, Chapman RF, Hartmann T (2002b) A taste receptor neurone dedicated to the perception of pyrrolizidine alkaloids in the medial galeal sensillum of two polyphagous arctiid caterpillars. Physiol Entomol 27:1–10
Bernays EA, Rodrigues D, Chapman RF, Singer MS, Hartmann T (2003) Loss of gustatory responses to pyrrolizidine alkaloids after their extensive ingestion in the polyphagous caterpillar Estigmene acrea. J Exp Biol 206:4487–4496
Dussourd DE, Harvis CA, Meinwald J, Eisner T (1991) Pheromonal advertisement of a nuptial gift by a male moth Utetheisa ornatrix. Proc Natl Acad Sci USA 88:9224–9227
Eisner T, Rossini C, Gonzalez A, Iyengar VK, Siegler MVS, Smedley SR (2002) Paternal investment in egg defence. In: Hilker M, Meiners T (eds) Chemoecology of insect eggs and egg deposition. Blackwell, Oxford, pp 91–116
Hartmann T (1999) Chemical ecology of pyrrolizidine alkaloids. Planta 207:483–495
Hartmann T, Ober D (2000) Biosynthesis and metabolism of pyrrolizidine alkaloids in plants and specialized insect herbivores. In: Leeper FJ, Vederas JC (eds) Topics in current chemistry: biosynthesis—aromatic polyketides, isoprenoids, alkaloids, vol 209. Springer, Berlin Heidelberg New York, pp 207–244
Hartmann T, Theuring C, Schmidt J, Rahier M, Pasteels JM (1999) Biochemical strategy of sequestration of pyrrolizidine alkaloids by adults and larvae of chrysomelid leaf beetles. J Insect Physiol 45:1085–1095
Hartmann T, Theuring C, Witte L, Pasteels JM (2001) Sequestration, metabolism and partial synthesis of tertiary pyrrolizidine alkaloids by the neotropical leaf-beetle Platyphora boucardi. Insect Biochem Mol Biol 31:1041–1056
Hartmann T, Theuring C, Bernays EA (2003a) Are insect-synthesized retronecine esters (creatonotines) the precursors of the male courtship pheromone in the arctiid moth Estigmene acrea? J Chem Ecol 29:2603–2608
Hartmann T, Theuring C, Witte L, Schulz S, Pasteels JM (2003b) Biochemical processing of plant acquired pyrrolizidine alkaloids by the neotropical leaf-beetle Platyphora boucardi. Insect Biochem Mol Biol 33:515–23
Hsiao TH, Pasteels JM (1999) Evolution of host-plant affiliation and chemical defense in Chrysolina–Oreina leaf beetles as revealed by mtDNA phylogenies. In: Cox ML (ed) Advances in Chrysomelidae biology, vol I. Backhuys, Leiden, pp 312–342
Iyengar VK, Rossini C, Eisner T (2001) Precopulatory assessment of male quality in an arctiid moth (Utetheisa ornatrix): hydroxydanaidal is the only criterion of choice. Behav Ecol Sociobiol 49:283–288
Lindigkeit R, Biller A, Buch M, Schiebel HM, Boppré M, Hartmann T (1997) The two faces of pyrrolizidine alkaloids: the role of the tertiary amine and its N-oxide in chemical defense of insects with acquired plant alkaloids. Eur J Biochem 245:626–636
Naumann C, Hartmann T, Ober D (2002) Evolutionary recruitment of a flavin-dependent monooxygenase for the detoxification of host plant-acquired pyrrolizidine alkaloids in the alkaloid-defended arctiid moth Tyria jacobaeae. Proc Natl Acad Sci USA 99:6085–6090
Pasteels JM, Termonia A, Windsor D, Witte L, Theuring C, Hartmann T (2001) Pyrrolizidine alkaloids and pentacyclic triterpene saponins in the defensive secretions of Platyphora leaf beetles. Chemoecology 11:113–120
Termonia A, Pasteels JM, Windsor DM, Milinkovitch MC (2002) Dual chemical sequestration: a key mechanism in transitions among ecological specialization. Proc R Soc London B 269:1–6
Acknowledgment
Research in the author’s laboratory was supported by the Deutsche Forschungsgemeinschaft and Fonds der Chemischen Industrie. I thank my collaborators and colleagues in the field of entomology and ecology for fruitful cooperation and stimulating discussions: Liz Bernays, the late Reg Chapman, Mike Singer (Tucson), Jacques Pasteels (Brussels), Martine Rahier (Neuchâtel), and Susanne Dobler, Ingo Narberhaus (Hamburg).
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Hartmann, T. Plant-derived secondary metabolites as defensive chemicals in herbivorous insects: a case study in chemical ecology. Planta 219, 1–4 (2004). https://doi.org/10.1007/s00425-004-1249-y
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s00425-004-1249-y