Methods and materials for making and using transgenic dicamba-degrading organisms
First Claim
1. A method for producing a dicamba-degrading oxygenase that comprises the amino acid sequence of SEQ ID NO:
- 3, or that comprises an amino acid sequence that differs from SEQ ID NO;
3 by one substitution, an amino acid sequence that differs from SEQ ID NO;
3 by one addition, or an amino acid sequence that differs from SEQ ID NO;
3 by one substitution and by one addition, said method comprising culturing a host cell transformed with a replication or expression vector comprising DNA sequence encoding a dicamba-degrading oxygenase that comprises the amino acid sequence of SEQ ID NO;
3, or that comprises an amino acid sequence that differs from SEQ ID NO;
3 by one substitution, an amino acid sequence that differs from SEQ ID NO;
3 by one addition, or an amino acid sequence that differs from SEQ ID NO;
3 by one substitution and by one addition, under conditions effective to express said polypeptide, and recovering the polypeptide so expressed.
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Abstract
The invention provides isolated and at least partially-purified dicamba-degrading enzymes, isolated DNA molecules coding for dicamba-degrading enzymes, DNA constructs coding for dicamba-degrading enzymes, transgenic host cells comprising DNA coding for dicamba-degrading enzymes, and transgenic plants and plant parts comprising one or more cells comprising DNA coding for dicamba-degrading enzymes. Expression of the dicamba-degrading enzymes results in the production of dicamba-degrading organisms, including dicamba-tolerant plants. Finally, the invention provides a method of selecting transformed plants and plant cells based on dicamba tolerance and a method of selecting or screening transformed host cells, intact organisms and parts of organisms based on the fluorescence of 3,6-dichlorosalicylic acid produced as a result of dicamba degradation.
980 Citations
9 Claims
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1. A method for producing a dicamba-degrading oxygenase that comprises the amino acid sequence of SEQ ID NO:
- 3, or that comprises an amino acid sequence that differs from SEQ ID NO;
3 by one substitution, an amino acid sequence that differs from SEQ ID NO;
3 by one addition, or an amino acid sequence that differs from SEQ ID NO;
3 by one substitution and by one addition, said method comprising culturing a host cell transformed with a replication or expression vector comprising DNA sequence encoding a dicamba-degrading oxygenase that comprises the amino acid sequence of SEQ ID NO;
3, or that comprises an amino acid sequence that differs from SEQ ID NO;
3 by one substitution, an amino acid sequence that differs from SEQ ID NO;
3 by one addition, or an amino acid sequence that differs from SEQ ID NO;
3 by one substitution and by one addition, under conditions effective to express said polypeptide, and recovering the polypeptide so expressed.
- 3, or that comprises an amino acid sequence that differs from SEQ ID NO;
- 2. A seed containing a recombinant dicamba-degrading oxygenase comprising the amino acid sequence of SEQ ID NO:
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3. A seed containing a recombinant dicamba-degrading oxygenase comprising an amino acid sequence that differs from SEQ ID NO:
- 3 by one substitution.
- View Dependent Claims (7)
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4. A seed containing a recombinant dicamba-degrading oxygenase comprising an amino acid sequence that differs from SEQ ID NO:
- 3 by one addition.
- View Dependent Claims (8)
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5. A seed containing a recombinant dicamba-degrading oxygenase comprising an amino acid sequence that differs from SEQ ID NO:
- 3 by one substitution and by one addition.
- View Dependent Claims (9)
Specification