Patent · US Expired

Hybrid Bacillus thuringiensis .delta.-endotoxins with novel broad-spectrum insecticidal activity

US6017534A · kind A · utility

24Cited by
10References
34Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 20, 1996
Grant dateJan 25, 2000
Priority date
Expiry dateNov 20, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S977/902
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

Disclosed are novel synthetically-modified B. thuringiensis chimeric crystal proteins having improved insecticidal activity against coleopteran, dipteran and lepidopteran insects. Also disclosed are the nucleic acid segments encoding these novel peptides. Methods of making and using these genes and proteins are disclosed as well as methods for the recombinant expression, and transformation of suitable host cells. Transformed host cells and transgenic plants expressing the modified endotoxin are also aspects of the invention.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.