Journal
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
Volume 103, Issue 27, Pages 10509-10513Publisher
NATL ACAD SCIENCES
DOI: 10.1073/pnas.0603998103
Keywords
Diaeretiella rapae; Myzus persicae; semiochemical; volatile; farnesene
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Funding
- Biotechnology and Biological Sciences Research Council [BBS/E/C/00004558, BBS/E/C/00004162] Funding Source: Medline
- Biotechnology and Biological Sciences Research Council [BBS/E/C/00004162, BBS/E/C/00004558] Funding Source: researchfish
- Economic and Social Research Council [RES-224-25-0093-A] Funding Source: researchfish
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The alarm pheromone for many species of aphids, which causes dispersion in response to attack by predators or parasitoids, consists of the sesquiterpene (E)-beta-farnesene (E beta f). We used high levels of expression in Arabidopsis thaliana plants of an E beta f synthase gene cloned from Mentha x piperita to cause emission of pure E beta f. These plants elicited potent effects on behavior of the aphid Myzus persicae (alarm and repellent responses) and its parasitoid Diaeretiella rapae (an arrestant response). Here, we report the transformation of a plant to produce an insect pheromone and demonstrate that the resulting emission affects behavioral responses at two trophic levels.
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