Mode of Action of Bipyramidal δ-Endotoxin of Bacillus thuringiensis subsp. kurstaki HD-1
نویسندگان
چکیده
منابع مشابه
Genome Sequence of Bacillus thuringiensis subsp. kurstaki Strain HD-1
We report here the complete genome sequence of Bacillus thuringiensis subsp. kurstaki strain HD-1, which serves as the primary U.S. reference standard for all commercial insecticidal formulations of B. thuringiensis manufactured around the world.
متن کاملComplete Genome Sequence of Bacillus thuringiensis subsp. kurstaki Strain HD73
Bacillus thuringiensis is a Gram-positive bacterium that produces intracellular protein crystals toxic to a wide variety of insect larvae. We report the complete genome sequence of Bacillus thuringiensis subsp. kurstaki strain HD73 from the Centre OILB (Institut Pasteur, France), which belongs to serotype 3ab and is toxic to lepidopteran larvae.
متن کاملEffects of Protoplast Fusion on δ-endotoxin Production in Bacillus thuringiensis Spp. (H14)
In this study, mutant forms of Bacillus thuringiensis spp. israelensis (H14) were produced. These mutants were identified when the cells were cultured on chloramphenicol plates and stained with crystal violet. Protoplasts of the mutants were isolated by enzymatic digestion (lysozyme) of the cell walls at the presence of an osmotic stabilizer. The protoplasts were induced to fuse to each other i...
متن کاملFacile autoplast generation and transformation in Bacillus thuringiensis subsp. kurstaki.
We describe a method for maximizing the rate of conversion of Bacillus thuringiensis subsp. kurstaki vegetative cells to osmotically fragile forms in the absence of exogenously added enzymes. Optimal generation of autoplasts occurred in 50 mM sodium acetate buffer (pH 7.0) at 37 degrees C with 10% (wt/vol) polyethylene glycol as an osmotic stabilizer. The maximum autolytic rate resulted in a co...
متن کاملNovel Bacillus thuringiensis δ-endotoxin active against Locusta migratoria manilensis.
A novel δ-endotoxin gene was cloned from a Bacillus thuringiensis strain with activity against Locusta migratoria manilensis by PCR-based genome walking. The sequence of the cry gene was 3,432 bp long, and it encoded a Cry protein of 1,144 amino acid residues with a molecular mass of 129,196.5 kDa, which exhibited 62% homology with Cry7Ba1 in the amino acid sequence. The δ-endotoxin with five c...
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ژورنال
عنوان ژورنال: Applied and Environmental Microbiology
سال: 1986
ISSN: 0099-2240,1098-5336
DOI: 10.1128/aem.51.3.630-633.1986