Abstract
A novel recombinant Bacillus thuringiensis subsp. israelensis strain that produces the B. sphaericus binary toxin, Cyt1Aa, and Cry11Ba is described. The toxicity of this strain (50% lethal concentration [LC(50)] = 1.7 ng/ml) against fourth-instar Culex quinquefasciatus was higher than that of B. thuringiensis subsp. israelensis IPS-82 (LC(50) = 7.9 ng/ml) or B. sphaericus 2362 (LC(50) = 12.6 ng/ml).
Publication types
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Research Support, Non-U.S. Gov't
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Animals
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Bacillus / genetics
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Bacillus thuringiensis / genetics
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Bacillus thuringiensis / metabolism*
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Bacillus thuringiensis Toxins
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Bacterial Proteins / genetics
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Bacterial Proteins / metabolism*
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Bacterial Toxins / genetics
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Bacterial Toxins / metabolism*
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Culex / growth & development*
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Endotoxins / genetics
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Endotoxins / metabolism*
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Hemolysin Proteins
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Pest Control, Biological*
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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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binB protein, Bacillus sphaericus
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insecticidal crystal protein, Bacillus Thuringiensis