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A salivary GMC oxidoreductase of Manduca sexta re-arranges the green leaf volatile profile of its host plant

Author

Listed:
  • Yu-Hsien Lin

    (University of Amsterdam)

  • Juliette J. M. Silven

    (University of Amsterdam)

  • Nicky Wybouw

    (Ghent University)

  • Richard A. Fandino

    (Max Planck Institute for Chemical Ecology
    Cornell University)

  • Henk L. Dekker

    (University of Amsterdam)

  • Heiko Vogel

    (Max Planck Institute for Chemical Ecology)

  • Yueh-Lung Wu

    (National Taiwan University)

  • Chris Koster

    (University of Amsterdam)

  • Ewald Große-Wilde

    (Max Planck Institute for Chemical Ecology
    Czech University of Life Sciences)

  • Michel A. Haring

    (University of Amsterdam)

  • Robert C. Schuurink

    (University of Amsterdam)

  • Silke Allmann

    (University of Amsterdam)

Abstract

Green leaf volatiles (GLVs) are short-chain oxylipins that are emitted from plants in response to stress. Previous studies have shown that oral secretions (OS) of the tobacco hornworm Manduca sexta, introduced into plant wounds during feeding, catalyze the re-arrangement of GLVs from Z-3- to E-2-isomers. This change in the volatile signal however is bittersweet for the insect as it can be used by their natural enemies, as a prey location cue. Here we show that (3Z):(2E)-hexenal isomerase (Hi-1) in M. sexta’s OS catalyzes the conversion of the GLV Z-3-hexenal to E-2-hexenal. Hi-1 mutants that were raised on a GLV-free diet showed developmental disorders, indicating that Hi-1 also metabolizes other substrates important for the insect’s development. Phylogenetic analysis placed Hi-1 within the GMCβ-subfamily and showed that Hi-1 homologs from other lepidopterans could catalyze similar reactions. Our results indicate that Hi-1 not only modulates the plant’s GLV-bouquet but also functions in insect development.

Suggested Citation

  • Yu-Hsien Lin & Juliette J. M. Silven & Nicky Wybouw & Richard A. Fandino & Henk L. Dekker & Heiko Vogel & Yueh-Lung Wu & Chris Koster & Ewald Große-Wilde & Michel A. Haring & Robert C. Schuurink & Sil, 2023. "A salivary GMC oxidoreductase of Manduca sexta re-arranges the green leaf volatile profile of its host plant," Nature Communications, Nature, vol. 14(1), pages 1-17, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-39353-0
    DOI: 10.1038/s41467-023-39353-0
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    References listed on IDEAS

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    1. Niels Bjerg Jensen & Mika Zagrobelny & Karin Hjernø & Carl Erik Olsen & Jens Houghton-Larsen & Jonas Borch & Birger Lindberg Møller & Søren Bak, 2011. "Convergent evolution in biosynthesis of cyanogenic defence compounds in plants and insects," Nature Communications, Nature, vol. 2(1), pages 1-9, September.
    2. C. M. De Moraes & W. J. Lewis & P. W. Paré & H. T. Alborn & J. H. Tumlinson, 1998. "Herbivore-infested plants selectively attract parasitoids," Nature, Nature, vol. 393(6685), pages 570-573, June.
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