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Complete sequence and organization of pBtoxis, the toxin-coding plasmid of Bacillus thuringiensis subsp. israelensis
Colin Berry1, Susan O'Neil, Eitan Ben-Dov
1Cardiff School of Biosciences, Cardiff University, Cardiff, United Kingdom. Berry@cf.ac.uk
Applied and Environmental Microbiology
|September 27, 2002
Abstract:
The entire 127,923-bp sequence of the toxin-encoding plasmid pBtoxis from Bacillus thuringiensis subsp. israelensis is presented and analyzed. In addition to the four known Cry and two known Cyt toxins, a third Cyt-type sequence was found with an additional C-terminal domain previously unseen in such proteins. Many plasmid-encoded genes could be involved in several functions other than toxin production. The most striking of these are several genes potentially affecting host sporulation and germination and a set of genes for the production and export of a peptide antibiotic.