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DETOXICATIVE ENZYME ACTIVITIES IN FIVE SPECIES OF FIELD-COLLECTED MELANOPLINE GRASSHOPPERS (ORTHOPTERA: ACRIDIDAE)

Published online by Cambridge University Press:  31 May 2012

Murray B. Isman ,
Ruying Feng  and
Dan L. Johnson
Murray B. Isman
Affiliation:
Department of Plant Science, University of British Columbia, Vancouver, British Columbia V6T 1Z4
Ruying Feng
Affiliation:
Department of Plant Science, University of British Columbia, Vancouver, British Columbia V6T 1Z4
Dan L. Johnson
Affiliation:
Agriculture and Agri-Food Canada Research Centre, PO Box 3000, Main, Lethbridge, Alberta, Canada T1J 4B1
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Extract

Detoxicative enzyme systems, such as the cytochrome P450 monooxygenases, gluthione S-transferases, and general esterases, have been widely studied in holometabolous insects (e.g. Lepidoptera, Diptera, and Coleoptera). These, and other enzyme systems, play important roles in insecticide resistance, but are also important in insect–host plant relationships, because host range can partially depend on the ability of an insect to cope with putatively toxic allelochemicals in an otherwise suitable host plant (e.g. Lindroth 1989). In some cases, differences in the relative activities of these enzymes between closely related insect taxa can have significant biological consequences (Siegfried and Mullin 1989).

Type
Articles
Information
The Canadian Entomologist , Volume 128 , Issue 2 , April 1996 , pp. 353 - 354
Copyright
Copyright © Entomological Society of Canada 1996

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References

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