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Insecticidal crystal proteins of Bacillus thuringiensis.

Herman Höfte, +1 more
- 01 Jun 1989 - 
- Vol. 53, Iss: 2, pp 242-255
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TLDR
In this article, a classification for crystal protein genes of Bacillus thuringiensis is presented, based on the insecticidal spectra and the amino acid sequences of the encoded proteins.
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This article is published in Microbiological Research.The article was published on 1989-06-01 and is currently open access. It has received 2044 citations till now. The article focuses on the topics: Delta endotoxin & Bacillus thuringiensis.

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Citations
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Journal ArticleDOI

Can Bacillus thuringiensis (Bt) corn residues and Bt-corn plants affect life-history traits in the earthworm Aporrectodea caliginosa?

TL;DR: Finely ground Bt-corn leaves added to soil had no deleterious effects on survival, growth, development or reproduction in A. caliginosa, even in high concentrations that could be considered as a worst-case scenario.
Journal ArticleDOI

Intramolecular Proteolytic Cleavage ofBacillus thuringiensisCry3A δ-Endotoxin May Facilitate Its Coleopteran Toxicity

TL;DR: Interestingly a chymotrypsinized Cry3A product was soluble under neutral pH conditions, retained full activity against susceptible beetle larvae, and exhibited specific binding to Leptinotarsa decemlineatamidgut membranes.
Patent

Plant pest control

TL;DR: In this article, a novel class of proteins and their receptors for controlling plant pests is described. But the present invention is drawn to a novel protein class and their receptor. And the present method is not suitable for the control of plant pests.
Journal ArticleDOI

Single-site mutations in the conserved alternating-arginine region affect ionic channels formed by CryIAa, a Bacillus thuringiensis toxin.

TL;DR: This study provides the first direct evidence of a functional role for domain III in membrane permeabilization and suggests that residues of the positive arginine face of block 4 interact with domain I, the putative pore-forming region of CryIAa.
References
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Journal ArticleDOI

Analysis of membrane and surface protein sequences with the hydrophobic moment plot.

TL;DR: An algorithm has been developed which identifies alpha-helices involved in the interactions of membrane proteins with lipid bilayers and which distinguishes them from helices in soluble proteins, and suggests four transmembrane helices and a surface-seeking helix in fragment B, the moiety known to have trans Membrane function.
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Transgenic plants protected from insect attack

TL;DR: The Gram-positive bacterium Bacillus thuringiensis produces proteins which are specifically toxic to a variety of insect species, and modified genes have been derived from bt2, a toxin gene cloned from one Bacillus strain.
Journal ArticleDOI

Stable Transformation of Soybean (Glycine Max) by Particle Acceleration

TL;DR: Experiments using this protocol have resulted in mature RO and R1 plants expressing the introduced gene(s), regarded as a major step in the practical application of genetic engineering to the useful modification of food-crop species.
Journal ArticleDOI

Bacillus thuringiensis var israelensis crystal delta-endotoxin: effects on insect and mammalian cells in vitro and in vivo

TL;DR: With the exception of the Lepidopteran cell line, Choristoneura fumiferana 63 CF1, this soluble crystal delta-endotoxin protein showed no in vitro or in vivo toxicity, and no haemolytic activity.
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