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US 5,667,993 AGranted
Primers and probes for the identification of bacillus thuringiensis genes and isolates
AssigneeMycogen Corporation
InventorsJerald S. Feitelson, Kenneth E. Narva
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Abstract
Disclosed and claimed are novel nucleotide primers for the identification of genes encoding toxins active against nematodes and coleopterans. The primers are useful in PCR techniques to produce gene fragments which are characteristic of genes encoding these toxins. The primers are also useful as nucleotide probes to detect the toxin-encoding genes.
Claims2
A method for the systematic identification and isolation of Bacillus thuringiensis endotoxin genes encoding toxins against nematodes or coleopterans, wherein said method comprises:
- a) amplifying a portion of said gene from total cellular DNA of Bacillus thuringiensis by using a primer pair consisting of SEQ ID NO. 3 and SEQ ID NO. 5 wherein said amplification results in the generation of a 317 to 332 nucleotide-long polynucleotide;
- and
- b) detecting the presence of said amplification product.
A nucleotide palmer pair consisting of SEQ ID NO. 3 and SEQ ID NO. 5.
Dependencies are inferred from the claim text.