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Multi-Functional De...
Multi-Functional Desaturases in Two Spodoptera Moths with ∆11 and ∆12 Desaturation Activities
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- Xia, Yi Han (author)
- Lund University,Lunds universitet,Funktionell zoologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Functional zoology,Department of Biology,Faculty of Science
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- Zhang, Ya Nan (author)
- Huaibei Normal University
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- Ding, Bao Jian (author)
- Lund University,Lunds universitet,Funktionell zoologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Functional zoology,Department of Biology,Faculty of Science
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- Wang, Hong Lei (author)
- Lund University,Lunds universitet,Funktionell zoologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Functional zoology,Department of Biology,Faculty of Science
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- Löfstedt, Christer (author)
- Lund University,Lunds universitet,Funktionell zoologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Functional zoology,Department of Biology,Faculty of Science
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- Xia, Yihan, 1990 (author)
- Lunds universitet,Lund University
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- Ding, Baojian (author)
- Lunds universitet,Lund University
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- Wang, Honglei (author)
- Lunds universitet,Lund University
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(creator_code:org_t)
- 2019-04-02
- 2019
- English.
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In: Journal of Chemical Ecology. - : Springer Science and Business Media LLC. - 0098-0331 .- 1573-1561. ; 45:4, s. 378-387
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Abstract
Subject headings
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- 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.
Subject headings
- NATURVETENSKAP -- Biologi -- Biokemi och molekylärbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Biochemistry and Molecular Biology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Zoologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Zoology (hsv//eng)
Keyword
- Pheromone biosynthesis
- Spodoptera exigua
- Spodoptera litura
- ∆11 desaturation
- ∆12 desaturation
Publication and Content Type
- art (subject category)
- ref (subject category)
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