| abstract |
PCT No. PCT/GB89/01157 Sec. 371 Date Apr. 1, 1991 Sec. 102(e) Date Apr. 1, 1991 PCT Filed Sep. 29, 1989 PCT Pub. No. WO90/03434 PCT Pub. Date Apr. 5, 1990.Recombinant DNA coding for an insecticidally active form of the Bacillus thuringiensis endotoxin which DNA is derived from the chromosome plasmids of the A20 strain of Bacillus thuringiensis. The recombinant genes may be of the 6.6, 5.3 or 4.5 types. Further discloses a truncated chimetic endotoxin-producing gene derived from the 5.3 and 4.5-type genes of strain A20. |