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Conversion of phenylalanine to toluene and 2-phenylethanol by the pine engraverIps pini (Say) (Coleoptera, Scolytidae)

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Summary

The pine engraver,Ips pini (Say), was found to produce toluene and 2-phenylethanol when boring into fresh pine logs. The hypotheses that phenylalanine is a precursor of these compounds and that beetles without their symbiotic microorganisms can perform these conversions were confirmed by treating wild and axencially-reared males and females topically with L-phenyl-d5-alanine. Extracts of these beetles invariably contained deuterio-toluene, and extracts of males contained deuterio-2-phenylethanol as well.

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Gries, G., Smirle, M.J., Leufvén, A. et al. Conversion of phenylalanine to toluene and 2-phenylethanol by the pine engraverIps pini (Say) (Coleoptera, Scolytidae). Experientia 46, 329–331 (1990). https://doi.org/10.1007/BF01951781

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  • DOI: https://doi.org/10.1007/BF01951781

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