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Novel family of terpene synthases evolved from trans-isoprenyl diphosphate synthases in a flea beetle

Identifieur interne : 000104 ( Main/Exploration ); précédent : 000103; suivant : 000105

Novel family of terpene synthases evolved from trans-isoprenyl diphosphate synthases in a flea beetle

Auteurs : Franziska Beran [Allemagne] ; Peter Rahfeld [Allemagne] ; Katrin Luck [Allemagne] ; Raimund Nagel [Allemagne] ; Heiko Vogel [Allemagne] ; Natalie Wielsch [Allemagne] ; Sandra Irmisch [Allemagne] ; Srinivasan Ramasamy [Taïwan] ; Jonathan Gershenzon [Allemagne] ; David G. Heckel [Allemagne] ; Tobias G. Köllner [Allemagne]

Source :

RBID : PMC:4801258

Abstract

Significance

Whether insect sesquiterpenes are synthesized de novo, derived from plant precursors, or produced by symbionts is often unknown. We identified an evolutionarily novel terpene synthase gene family in the striped flea beetle, a notorious pest of Brassica crops in North America and Asia, and one of these genes was shown to be directly involved in the biosynthesis of the male-specific sesquiterpene aggregation pheromone. Phylogenetic and gene structure analyses indicate that an expansion of the trans-isoprenyl diphosphate synthase gene family in the ancestor of the subfamily Galerucinae enabled functional diversification toward this terpene synthase gene family. These insights into how flea beetles synthesize their aggregation pheromones may lead to new approaches for pest management.


Url:
DOI: 10.1073/pnas.1523468113
PubMed: 26936952
PubMed Central: 4801258


Affiliations:


Links toward previous steps (curation, corpus...)


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<name sortKey="Beran, Franziska" sort="Beran, Franziska" uniqKey="Beran F" first="Franziska" last="Beran">Franziska Beran</name>
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, 07745 Jena,
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, 07745 Jena,
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<country xml:lang="fr">Allemagne</country>
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, 07745 Jena,
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, 07745 Jena,
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, 07745 Jena,
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<nlm:aff id="aff4">Department of Entomology,
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, 07745 Jena,
<country>Germany</country>
;</nlm:aff>
<country xml:lang="fr">Allemagne</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
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<name sortKey="Wielsch, Natalie" sort="Wielsch, Natalie" uniqKey="Wielsch N" first="Natalie" last="Wielsch">Natalie Wielsch</name>
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<nlm:aff id="aff5">Department of Mass Spectrometry,
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, 07745 Jena,
<country>Germany</country>
;</nlm:aff>
<country xml:lang="fr">Allemagne</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
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<nlm:aff id="aff3">Department of Biochemistry,
<institution>Max Planck Institute for Chemical Ecology</institution>
, 07745 Jena,
<country>Germany</country>
;</nlm:aff>
<country xml:lang="fr">Allemagne</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
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<name sortKey="Ramasamy, Srinivasan" sort="Ramasamy, Srinivasan" uniqKey="Ramasamy S" first="Srinivasan" last="Ramasamy">Srinivasan Ramasamy</name>
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<nlm:aff id="aff6">Entomology,
<institution>AVRDC–The World Vegetable Center</institution>
, Shanhua, Tainan 74151,
<country>Taiwan</country>
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<country xml:lang="fr">Taïwan</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
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, 07745 Jena,
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<country xml:lang="fr">Allemagne</country>
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, 07745 Jena,
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;</nlm:aff>
<country xml:lang="fr">Allemagne</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
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, 07745 Jena,
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<country xml:lang="fr">Allemagne</country>
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<title>Significance</title>
<p>Whether insect sesquiterpenes are synthesized de novo, derived from plant precursors, or produced by symbionts is often unknown. We identified an evolutionarily novel terpene synthase gene family in the striped flea beetle, a notorious pest of
<italic>Brassica</italic>
crops in North America and Asia, and one of these genes was shown to be directly involved in the biosynthesis of the male-specific sesquiterpene aggregation pheromone. Phylogenetic and gene structure analyses indicate that an expansion of the
<italic>trans</italic>
-isoprenyl diphosphate synthase gene family in the ancestor of the subfamily Galerucinae enabled functional diversification toward this terpene synthase gene family. These insights into how flea beetles synthesize their aggregation pheromones may lead to new approaches for pest management.</p>
</div>
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