Nucleic acid encoding GAI gene of Arabidopsis thaliana
US6794560B2 · kind B2 · utility
24Cited by
1References
17Claims
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Key dates
| Filing date | Jul 25, 2001 |
| Grant date | Sep 21, 2004 |
| Priority date | — |
| Expiry date | Oct 21, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A40/146
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
The GAI gene of Arabidopsis thaliana has been cloned, along with mutant and homologue gene sequences. Expression of such genes in plants affects characteristics of the plants including growth. GAI expression inhibits growth of plants, which inhibition is antagonised by gibberellin (GA). Expression of gai mutants confers a dwarf phenotype which is GA-insensitive. Manipulation of expression of GAI and gai genes in plants results in tall or dwarfed plants. Dwarf plants are useful in particular for reduction in crop losses resulting from lodging.
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