Abstract
Effects of the structure of plasmids carrying the cloned delta-endotoxin gene (tox) ot Bacillus thuringiensis and of the culture media on the expression of the gene have been studied. The DNA region located upstream from the crystal protein gene promoter inhibited the expression of the tox gene in Escherichia coli cells, but enhanced the expression in Bacillus megaterium cells grown in LB medium. The upstream DNA region did not affect the tox gene expression when Bacillus megaterium cells were grown in SSM medium.
MeSH terms
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Bacillus megaterium / genetics
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Bacillus thuringiensis / genetics*
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Bacillus thuringiensis Toxins
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Bacterial Proteins*
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Bacterial Toxins*
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Cloning, Molecular
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Endotoxins / genetics*
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Escherichia coli / genetics
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Gene Expression Regulation, Bacterial*
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Genes, Bacterial*
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Hemolysin Proteins
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Immunoelectrophoresis, Two-Dimensional
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Plasmids
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Recombination, Genetic
Substances
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Bacillus thuringiensis Toxins
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Bacterial Proteins
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Bacterial Toxins
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Endotoxins
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Hemolysin Proteins
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insecticidal crystal protein, Bacillus Thuringiensis