Transformation vectors allowing expression of foreign polypeptide endotoxins from Bacillus thuringiensis in plants
US5317096A · kind A · utility
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Key dates
| Filing date | Feb 5, 1993 |
| Grant date | May 31, 1994 |
| Priority date | — |
| Expiry date | Feb 5, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A40/146
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
Novel transformation vectors containing novel chimeric genes allow the introduction of exogenous DNA fragments coding for polypeptide toxins produced by Bacillus thuringiensis or having substantial sequence homology to a gene coding for a polypeptide toxin as described herein and expression of the chimeric gene in plant cells and their progeny after integration into the plant cell genome. Transformed plant cells and their progeny exhibit stably inherited polypeptide toxin expression useful for protecting said plant cells and their progeny against certain insect pests and in controlling said insect pests.
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