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- Title
A scorpion neurotoxin increases the potency of a fungal insecticide.
- Authors
Chengshu Wang; St Leger, Raymond J.
- Abstract
The low virulence of the insecticidal fungus Metarhizium anisopliae has stymied its widespread use in controlling insect pests. We show that high-level expression of an insect-specific neurotoxin from the scorpion Androctonus australis in hemolymph by M. anisopliae increases fungal toxicity 22-fold against tobacco hornworm (Manduca sexta) caterpillars and ninefold against adult yellow fever mosquitoes (Aedes aegypti) without compromising host specificity. Prelethal effects include reduced mobility and feeding of the insects targeted.
- Subjects
METARHIZIUM anisopliae; PEST control; SCORPION venom; SCORPIONS; TOBACCO hornworm; PESTICIDES; CONTROL of plant parasites; METARHIZIUM; INSECTICIDAL plants; PESTICIDAL plants; THERAPEUTICS
- Publication
Nature Biotechnology, 2007, Vol 25, Issue 12, p1455
- ISSN
1087-0156
- Publication type
Article
- DOI
10.1038/nbt1357