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thuringiensis at Biology News

UCSD discovery may help extend life of natural pesticide

...roundworms that makes them susceptible to Bacillus thuringiensis toxin, or Bt toxin--a pesticide produced by bacteria and widely used by organic farmers and in genetically engineered crops to ward off insect pests. Their findings should facilitate the design and use of Bt toxins to prevent insects, which the rese...

Genetically modified rice in China benefits farmers' health, study finds

...er and leaf roller through insertion of a Bacillus thuringiensis (Bt) gene, and the Youming 86 variety, which is insect-resistant due to introduction of a resistance gene from the cowpea plant. Both varieties have been in pre-production field trials since 2001. These field trials in China were designed to identif...

Insects develop resistance to engineered crops

...ity researchers. A soil bacterium called Bacillus thuringiensis (Bt), whose genes are inserted into crop plants, such as maize and cotton, creates these toxins that are deadly to insects but harmless to humans. Bt crops were first commercialized in 1996, and scientists, critics and others have been concerned tha...

Bt cotton in China fails to reap profit after seven years

... is known as Bt cotton, shorthand for the Bacillus thuringiensis gene inserted into the seeds to produce toxins. But these toxins are lethal only to leaf-eating bollworms. After seven years, populations of other insects - such as mirids - have increased so much that farmers are now having to spray their crops up t...

Most widely used organic pesticide requires help to kill

... insecticide, a plucky bacterium known as Bacillus thuringiensis or Bt for short, requires the assistance of other ...e shown that the mechanism of killing for Bacillus thuringiensis is facilitated by the normal gut community," says Nichole Broderick, a UW-Madison graduate student a...

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Transformation of Filamentous Fungi by High-Voltage Electroporation

...scians (Desomer et al., 1990) and Bacillus thuringiensis (Mahillon et al., 1989) has been obtained by combining PEG and electroporation. The decreased efficiency of transformation obtained by increasing the concentration of PEG above 1% did not correlate to the survival of th...
thuringiensis at Biology Dictionary

Secondary Structure

...r segment s of a single folded chain. Bacillus thuringiensis ... Full article >>> Contrast with intermediary metabolism secondary structure The localize d conformation of a protein . sedimentation coefficient A physical constant specifying the rate of sedimentation of a particle in a cen...

Marker

...r .) Bacillus . A rod-shaped bacterium. Bacillus thuringiensis (Bt). A bacterium that kills insects; a major component of the microbial pesticide industry. Backcross . Crossing an organ ism with one of its parent organ isms. Full article >>> Linkage -- ana lysis of pedigree the tracking...

Fungi

...ic stress . bP. See Base pair . Bt. See Bacillus thuringiensis . C Capsid . See Coat protein . Carcinogen. A substance that induces cancer . Full article >>> Fungi - kingdom in which organ isms may be unicellular or multicellular, obtain their food from external sources, and reproduce s...

Biotic stress

...c stress . bP. See Base pair . Bt. See Bacillus thuringiensis . Full article >>> Biology dictionary A A biotic stress . Outside (nonliving) factors which can cause harmful effects to plant s, such as soil conditions, drought, extreme temperatures. Abzyme. See Catalytic antibody . Adaptive ...

Bacillus

...by ... Full article >>> Bacillus thuringiensis (Bt) Bacillus thuringiensis is a bacterium that parasitizes the caterpillars of some harmful moths and butterflies. Full artic...

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thuringiensis at Medicine News
thuringiensis at Medicine Products
thuringiensis at Medicine Technology
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