Article
Flexibility in the protoxin composition of Bacillus thuringiensis.
FEMS microbiology letters - 15 Mar 1994
Aronson A I
Abstract excerpt
In at least three Bacillus thuringiensis subspecies, multiple protoxin genes are confined to just a few of the many plasmids with two or more on one of > 100 mDa and a particular gene, cryIA(b), on a 40-50 mDa plasmid. The latter is unstable but can be maintained in the population by cell mating. Cells which had lost this plasmid compensated by increasing transcription of the remaining protoxin genes resulting in...
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