Multicellular living organisms and unmodified parts thereof and – Plant – seedling – plant seed – or plant part – per se – Higher plant – seedling – plant seed – or plant part
Reexamination Certificate
2005-02-15
2005-02-15
Kruse, David H (Department: 1638)
Multicellular living organisms and unmodified parts thereof and
Plant, seedling, plant seed, or plant part, per se
Higher plant, seedling, plant seed, or plant part
C435S320100, C536S023600, C800S279000, C800S298000
Reexamination Certificate
active
06855872
ABSTRACT:
Fusarium graminearumis a plant pathogen, attacking a wide range of plant species including corn (ear and stalk rot), barley, and wheat (head blight).Fusariumepidemics result in millions of dollars of losses in crop revenues.Fusarium graminearuminfection in the cereals reduces both grain yield and quality. Mycotoxins are produced by many fungalFusariumspecies and thus the grain becomes contaminated with these mycotoxins, such as the trichothecenes. The major trichothecene produced byF. graminearumis deoxynivalenol (abbreviated as DON, also known as vomitoxin). Trichothecenes are potent protein synthesis inhibitors and are quite toxic to humans and livestock. A yeast gene has been identified which confers upon yeast tolerant of the trichothecene, trichodermin. A corresponding plant gene has been prepared, which has been used to transform plants. These transformed plants have an increased resistance toFusariuminfestation.
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Gleddie Stephen C.
Harris Linda J.
Simmonds John A.
Her Majesty the Queen in right of Canada as represented by the
Kruse David H
Rothwell Figg Ernst & Manbeck
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