ISOLATED AND PURIFIED DNA FRAGMENT CRY IIIC; PROTEIN CRY IIIC TOXIC FOR COLEOPTERA; INSECTICIDE COMPOSITION TO FIGHT AGAINST COLEOPTEROUS INSECTS (VARIANTS); STRAIN OF BACILLUS THURINGIENSIS BACTERIA - A PRODUCENT OF PROTEIN CRY IIIC TOXIC FOR COLEOPTERA (VARIANTS); PROTEIN TOXIC FOR COLEOPTERA; METHOD TO FIGHT AGAINST COLEOPTEROUS INSECTS Russian patent published in 1998 - IPC

FIELD: agricultural biotechnology, biological plant protection against injurious insects. SUBSTANCE: purified and isolated DNA fragment Cry IIIC that contains nucleotide sequence of bases coding amino acid sequence of protein Cry IIIC is obtained from new strain of Bacillus thuringiensis. Toxic protein Cry IIIC is efficient at its application in insecticide compositions while fighting against coleopterous insects. EFFECT: higher efficiency of plant protection. 8 cl, 4 cl, 7 tbl, 12 dwg