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Control of sex pher...
Control of sex pheromone biosynthesis in the moth Mamestra brassicae by the pheromone biosynthesis activating neuropeptide
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- Jacquin, Emmanuelle (author)
- Laboratoire des Médiateurs Chimiques
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- Jurenka, Russell A. (author)
- Cornell University
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- Ljungberg, Håkam (author)
- Lund University
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- Nagnan, Patricia (author)
- Laboratoire des Médiateurs Chimiques
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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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- Descoins, Charles (author)
- Laboratoire des Médiateurs Chimiques
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- Roelofs, Wendell L. (author)
- Cornell University
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(creator_code:org_t)
- Elsevier BV, 1994
- 1994
- English 9 s.
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In: Insect Biochemistry and Molecular Biology. - : Elsevier BV. - 0965-1748. ; 24:2, s. 203-211
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http://dx.doi.org/10...
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Abstract
Subject headings
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- The physiological route for the action of the pheromone biosynthesis activating neuropeptide (PBAN) was determined in Mamestra brassicae (L.) (Lepidoptera:Noctuidae). Removal of the ventral nerve cord including the terminal abdominal ganglia did not affect PBAN stimulation of pheromone production and the biogenic amine octopamine did not stimulate pheromone production in isolated abdomens. PBAN-like activity was found in the hemolymph of intact females in scotophase and not in the hemolymph of decapitated females or females in photophase. Our results suggest that PBAN follows a humoral route to its site of action rather than a neural one after being released from the brain. The hormonal control of the pheromone biosynthetic pathway was investigated using labeled precursors. Our results suggest that PBAN regulates an early step in the pheromone biosynthetic pathway, contrary to a previous report that it stimulates the Δ11-desaturase.
Subject headings
- NATURVETENSKAP -- Biologi -- Biokemi och molekylärbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Biochemistry and Molecular Biology (hsv//eng)
Keyword
- Hormonal control
- Mamestra brassicae
- PBAN
- Pheromone biosynthesis
- Sex pheromone
Publication and Content Type
- art (subject category)
- ref (subject category)
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