News tagged with bacterium bacillus thuringiensis
Experts suggest steps to stop spread of resistant corn rootworms
(Phys.org) -- The discovery that more Western corn rootworms are resistant to the toxin contained in widely planted transgenic corn has sparked a warning that farmers must change tactics or lose a valuable management tool ...
Apr 23, 2012 |
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Genetic engineers create smarter toxins to help crops fight resistant pests
One of the most successful strategies in pest control is to endow crop plants with genes from the bacterium Bacillus thuringiensis, or Bt for short, which code for proteins that kill pests attempting to eat ...
Oct 09, 2011 |
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Insecticidal toxin useless without 'friendly' bacteria accomplices
The toxin produced by the bacterium Bacillus thuringiensis (Bt) is a popular insecticide used to control pest moths and butterflies, and in some GM pest-proof crops. In a study published in the open access journal BMC Bi ...
Mar 04, 2009 |
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Search results for bacterium bacillus thuringiensis
Genetically modified corn affects its symbiotic relationship with non-target soil organisms
An increasing number of crops commercially grown today are genetically modified (GM) to resist insect pests and/or tolerate herbicides. Although Bt corn is one of the most commonly grown GM crops in the Un ...
Apr 17, 2012 |
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Policies implementing GMOs need to take biodiversity complexities into account, researcher says
Policies regarding genetically modified organisms (GMOs) need to take biodiversity and regional attributes into account, according to Sandra Mitchell, professor and chair in the Department of History and Philosophy of Science ...
Feb 19, 2012 |
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Entomologists devise new test for insecticide resistance
(PhysOrg.com) -- A 10-year study has led to a model that assesses the effectiveness of insect refuges in slowing evolution of resistance.
Jan 10, 2012 |
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Researchers identify insect resistance to Bt pesticide
For the first time, researchers have identified how cabbage looper caterpillars in the field develop resistance to the bacterium Bacillus thuringiensis (Bt), which naturally occurs in the soil and on plants ...
Aug 30, 2011 |
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Getting closer to a better biocontrol for garden pests
U.S. Department of Agriculture (USDA) scientists have found strains of bacteria that could one day be used as environmentally friendly treatments to keep caterpillars and other pests out of gardens and cultivated fields.
Mar 31, 2011 |
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Technology protects cotton from caterpillar's appetite
The furry-looking insects start their development smaller than the head of a pin, but the caterpillars soon develop an appetite for cotton as big as the crop.
Feb 01, 2011 |
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Gene transfer from transgenic crops: A more realistic picture
A new data-driven statistical model that incorporates the surrounding landscape in unprecedented detail describes the transfer of an inserted bacterial gene via pollen and seed dispersal in cotton plants more ...
Nov 30, 2010 |
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Transgenic corn suppresses European corn borer, saves farmers billions
Transgenic corn's suppression of the European corn borer has saved Midwest farmers billions of dollars in the past decade, reports a new study in Science.
Oct 07, 2010 |
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Entomologists to develop special bacteria to combat spread of mosquito-borne diseases
Roughly half the world's population still lives in areas at risk of malaria transmission. Even in the United States, 1500 cases of malaria are reported annually on average.
Medicine & Health / Medical research
Jun 14, 2010 |
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Study uncovers optimal ecology of bioinsecticide
Researchers at the University of Oxford and Royal Holloway University of London have discovered that the commonly used and naturally occurring bacterial insecticide Bt works best if applied to young plants ...
May 20, 2010 |
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List of search results for bacterium bacillus thuringiensis
