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  Two genomes of highly polyphagous lepidopteran pests (Spodoptera frugiperda, Noctuidae) with different host-plant ranges

Gouin, A., Bretaudeau, A., Nam, K., Gimenez, S., Aury, J.-M., Duvic, B., et al. (2017). Two genomes of highly polyphagous lepidopteran pests (Spodoptera frugiperda, Noctuidae) with different host-plant ranges. Scientific Reports, 7: 11816. doi:10.1038/s41598-017-10461-4.

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Gouin, Anaïs, Autor
Bretaudeau, Anthony, Autor
Nam, Kiwoong, Autor
Gimenez, Sylvie, Autor
Aury, Jean-Marc, Autor
Duvic, Bernard, Autor
Hilliou, Frédérique, Autor
Durand, Nicolas, Autor
Montagné, Nicolas, Autor
Darboux, Isabelle, Autor
Kuwar, Suyog1, Autor           
Chertemps, Thomas, Autor
Siaussat, David, Autor
Bretschneider, Anne1, 2, Autor           
Moné, Yves, Autor
Ahn, Seung-Joon1, Autor           
Hänniger, Sabine1, Autor           
Grenet, Anne-Sophie Gosselin, Autor
Neunemann, David, Autor
Maumus, Florian, Autor
Luyten, Isabelle, AutorLabadie, Karine, AutorXu, Wei, AutorKoutroumpa, Fotini, AutorEscoubas, Jean- Michel, AutorLlopis, Angel, AutorMaïbèche-Coisne, Martine, AutorSalasc, Fanny, AutorTomar, Archana, AutorAnderson, Alisha R., AutorKhan, Sher Afzal1, 2, Autor           Dumas, Pascaline, AutorOrsucci, Marion, AutorGuy, Julie, AutorBelser, Caroline, AutorAlberti, Adriana, AutorNoel, Benjamin, AutorCouloux, Arnaud, AutorMercier, Jonathan, AutorNidelet, Sabine, AutorDubois, Emeric, AutorLiu, Nai-Yong, AutorBoulogne, Isabelle, AutorMirabeau, Olivier, AutorLe Goff, Gaelle, AutorGordon, Karl, AutorOakeshott, John, AutorConsoli, Fernando L., AutorVolkoff, Anne- Nathalie, AutorFescemyer, Howard W., AutorMarden, James H., AutorLuthe, Dawn S., AutorHerrero, Salvador, AutorHeckel, David G.1, Autor           Wincker, Patrick, AutorKergoat, Gael J., AutorAmselem, Joelle, AutorQuesneville, Hadi, AutorGroot, Astrid T.1, Autor           Jacquin-Joly, Emmanuelle, AutorNègre, Nicolas, AutorLemaitre, Claire, AutorLegeai, Fabrice, AutorFournier, Emmanuelle d’Alençon Philippe, Autor mehr..
Affiliations:
1Department of Entomology, Prof. D. G. Heckel, MPI for Chemical Ecology, Max Planck Society, ou_421895              
2IMPRS International Max Planck Research School for Global Biogeochemical Cycles, Max Planck Institute for Biogeochemistry, Max Planck Society, Hans-Knöll-Str. 10, 07745 Jena, DE, ou_1497757              

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 Zusammenfassung: Emergence of polyphagous herbivorous insects entails significant adaptation to recognize, detoxify
and digest a variety of host-plants. Despite of its biological and practical importance - since insects
eat 20% of crops - no exhaustive analysis of gene repertoires required for adaptations in generalist
insect herbivores has previously been performed. The noctuid moth Spodoptera frugiperda ranks as
one of the world’s worst agricultural pests. This insect is polyphagous while the majority of other
lepidopteran herbivores are specialist. It consists of two morphologically indistinguishable strains
(“C” and “R”) that have different host plant ranges. To describe the evolutionary mechanisms that
both enable the emergence of polyphagous herbivory and lead to the shift in the host preference,
we analyzed whole genome sequences from laboratory and natural populations of both strains. We
observed huge expansions of genes associated with chemosensation and detoxification compared with
specialist Lepidoptera. These expansions are largely due to tandem duplication, a possible adaptation
mechanism enabling polyphagy. Individuals from natural C and R populations show significant genomic
differentiation. We found signatures of positive selection in genes involved in chemoreception,
detoxification and digestion, and copy number variation in the two latter gene families, suggesting an
adaptive role for structural variation.

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 Datum: 2017-04-192017-09-25
 Publikationsstatus: Online veröffentlicht
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 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: Anderer: HEC381
DOI: 10.1038/s41598-017-10461-4
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Titel: Scientific Reports
  Kurztitel : Sci. Rep.
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: London, UK : Nature Publishing Group
Seiten: - Band / Heft: 7 Artikelnummer: 11816 Start- / Endseite: - Identifikator: ISSN: 2045-2322
CoNE: https://pure.mpg.de/cone/journals/resource/2045-2322