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  • Xia, Yi HanLund University,Lunds universitet,Funktionell zoologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Functional zoology,Department of Biology,Faculty of Science (author)

Multi-Functional Desaturases in Two Spodoptera Moths with ∆11 and ∆12 Desaturation Activities

  • Article/chapterEnglish2019

Publisher, publication year, extent ...

  • 2019-04-02
  • Springer Science and Business Media LLC,2019

Numbers

  • LIBRIS-ID:oai:lup.lub.lu.se:e07ef71f-8238-48c8-9977-fcd8b9abb90e
  • https://lup.lub.lu.se/record/e07ef71f-8238-48c8-9977-fcd8b9abb90eURI
  • https://doi.org/10.1007/s10886-019-01067-3DOI
  • https://research.chalmers.se/publication/523901URI

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  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • The beet armyworm, Spodoptera exigua, uses (Z,E)-9,12-tetradecadienyl acetate as the major component of its sex pheromone. Previous isotope-labeling experiments demonstrated an unusual ∆12 desaturase activity involved in the biosynthesis of this compound; however, the putative ∆12 desaturase gene has not been reported to date. In the present study, we confirmed this ∆12 desaturation pathway by in vivo labeling experiments, and characterized candidate desaturase genes in a yeast heterologous expression system. We demonstrated that a pheromone gland-specific desaturase, SexiDes5, uses palmitic acid and the subsequently chain-shortened product (Z)-9-tetradecenoic acid as substrates to produce (Z)-11-hexadecenoic and (Z,E)-9,12-tetradecadienoic acids, respectively. In addition, the homologous desaturase SlitDes5 from the congeneric Spodoptera litura had analogous functions.

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  • Zhang, Ya NanHuaibei Normal University (author)
  • Ding, Bao JianLund University,Lunds universitet,Funktionell zoologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Functional zoology,Department of Biology,Faculty of Science(Swepub:lu)ekol-bod (author)
  • Wang, Hong LeiLund University,Lunds universitet,Funktionell zoologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Functional zoology,Department of Biology,Faculty of Science(Swepub:lu)ekol-hlw (author)
  • Löfstedt, ChristerLund University,Lunds universitet,Funktionell zoologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Functional zoology,Department of Biology,Faculty of Science(Swepub:lu)ekol-clo (author)
  • Xia, Yihan,1990Lunds universitet,Lund University(Swepub:cth)yihanx (author)
  • Ding, BaojianLunds universitet,Lund University (author)
  • Wang, HongleiLunds universitet,Lund University (author)
  • Funktionell zoologiBiologiska institutionen (creator_code:org_t)

Related titles

  • In:Journal of Chemical Ecology: Springer Science and Business Media LLC45:4, s. 378-3870098-03311573-1561

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