Abstract
The insecticidal crystal protein genes of highly toxic Bacillus thuringiensis YBT-1520 were analyzed. Southern hybridization and PCR analysis indicated that this strain bears cry1Aa, cry1Ab, cry1Ac and cry2 genes. The copy number of three cry1A genes is different and cry1Ac gene (here named cry218) is the highest. The restriction location of three genes is different from that in typical strains, such as HD-1 and HD-73 strains. 4190 bp nucleotide sequence of cry218 gene was determined and this gene was named cry1Ac10 in the recently published gene nomenclature.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Bacillus thuringiensis / genetics*
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Bacillus thuringiensis Toxins
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Bacterial Proteins / chemistry
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Bacterial Proteins / genetics*
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Bacterial Toxins / chemistry
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Bacterial Toxins / genetics*
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Base Sequence
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Blotting, Southern
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Endotoxins / chemistry
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Endotoxins / genetics*
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Gene Dosage
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Genes, Bacterial*
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Hemolysin Proteins
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Molecular Sequence Data
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Polymerase Chain Reaction
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