Molecular control of transgene segregation and its escape by a recoverable block of funtion (rbf) system
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United States of America Patent
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Issued Date -
Feb 5, 2004
app pub date -
Jan 14, 2003
filing date -
Jul 14, 2000
priority date (Note) -
Abandoned
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Abstract
The invention is related to a method and a complex of DNA constructs for providing an increased level of control of transgene segregation in Sexually Reproducing Multicellular Organisms (SRMOs), which are prone to out-crossing with their wild-type or cultivated relatives. The method and constructs allow the farmer to reuse the transgenic crop. without risk. The RBF system comprises one or more Transgenes of Interest (TGIs) encoding desired gene products, one or more Blocking Constructs (BC), and one or more user-controlled means for recovering the blocked functions. The BC has the capacity of blocking at least one function essential for the survival and/or reproduction of the SRMO. Preferably more than one BC flanking the TGIs are used. The BC may be located in close proximity to the TGI, preferably in an intron or flanking the TGIs. The blocked function is recoverable by user-controlled interventions preferably applicable under confined conditions. The intervention is combined with one or more Recovering Constructs (RC). Different types of RBF systems are disclosed. The Double and Triple and Segregating RBF systems and intron-inserted BC are the preferred embodiments of the present invention. The Transgenic Inserts (TI) of the Triple RBF system and their interactions are shown in FIG. 10.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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PANAMETRICS INC | 221 CRESCENT STREET WALTHAM MA 02453 |
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Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Kanerva, Anne | Helsinki, FI | 31 | 110 |
Koivu, Kimmo | Helsinki, FI | 23 | 93 |
Kuvshinov, Viktor | Helsinki, FI | 15 | 57 |
Pehu, Eija | Helsinki, FI | 15 | 107 |
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Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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