Delta-endotoxins (5 -endotoxin, or Insecticidal Crystal Proteins, JCPs)
from Bacillus thuringiensis (Bt) are highly toxic to Lepidoteran pests and other
pests from many orders. Chitinases are used in plant disease control with its
high antifungal activities. The cloning and expression of 6 -endotoxin genes and
the characteristics of chitinases from Bacillus circulans have been studied in
this article.
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