Insect chymotrypsin and inhibitors thereof

Helicoverpa armigera Helicoverpa punctigera Nicotiana alata. Helicoverpa The present invention relates generally to a novel chymotrypsin that exhibits resistance to a plant serine proteinase inhibitor. More particularly, the present invention provides a chymotrypsin which is up-regulated in the gut...

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Main Authors Dunse, Kerry Michelle, Heath, Robyn Louise, Anderson, Marilyn Anne
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LanguageEnglish
Published 09.12.2008
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Abstract Helicoverpa armigera Helicoverpa punctigera Nicotiana alata. Helicoverpa The present invention relates generally to a novel chymotrypsin that exhibits resistance to a plant serine proteinase inhibitor. More particularly, the present invention provides a chymotrypsin which is up-regulated in the gut of and insect larvae when fed the serine proteinase inhibitors of The novel chymotrypsin represents, therefore, a target for the identification of antagonists including inhibitors which are proposed to be useful in the control of spp. populations that have become resistant to serine proteinase inhibitors produced in plants. The antagonists of the chymotrypsin may be topically applied to the plants or, when in proteinaceous form, may be produced by genetic means in plant cells. The antagonists may act at the level of gene expression or protein activity.
AbstractList Helicoverpa armigera Helicoverpa punctigera Nicotiana alata. Helicoverpa The present invention relates generally to a novel chymotrypsin that exhibits resistance to a plant serine proteinase inhibitor. More particularly, the present invention provides a chymotrypsin which is up-regulated in the gut of and insect larvae when fed the serine proteinase inhibitors of The novel chymotrypsin represents, therefore, a target for the identification of antagonists including inhibitors which are proposed to be useful in the control of spp. populations that have become resistant to serine proteinase inhibitors produced in plants. The antagonists of the chymotrypsin may be topically applied to the plants or, when in proteinaceous form, may be produced by genetic means in plant cells. The antagonists may act at the level of gene expression or protein activity.
Author Dunse, Kerry Michelle
Anderson, Marilyn Anne
Heath, Robyn Louise
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