Abstract: Four new strains of Bacillus thuringiensis are disclosed which are active against Coleoptera. The novel strains are identified through PCR technology using mixtures of carefully selected oligonucleotide primers that aid in the prediction of insect toxicity profile for the proteins produced by the strains.
Type:
Grant
Filed:
May 21, 1991
Date of Patent:
April 20, 1993
Assignee:
Ciba-Geigy Corporation
Inventors:
Nadine B. Carozzi, Vance C. Kramer, Gregory W. Warren, Michael G. Koziel