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FEMS Microbiol Lett. 1993 Nov 15;114(1):23-9.

Identification of a cryptic gene associated with an insertion sequence not previously identified in Bacillus thuringiensis.

Author information

1
Department of Biochemistry, University of Cambridge, UK.

Abstract

After screening several Bt strains with a cryII toxin probe, clones from two strains were found to contain a cryptic cryIIB gene associated with an insertion sequence element belonging to the IS2/IS3 family. The lack of expression of this gene appears to result from mutation of the upstream orf2 gene which has been shown to be necessary for cryII expression.

PMID:
8293956
DOI:
10.1016/0378-1097(93)90136-p
[Indexed for MEDLINE]

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