Sentences with phrase «produce bt»

Mice were fed with either GM potatoes engineered to produce Bt toxin or natural potatoes spiked with Bt toxin.

Experts have attributed these kinds of changes to impurities in the bacterial preparation — it is important to recognize that some bacteria that produce Bt make several toxic proteins.

Scientists from the UA and the U.S. Department of Agriculture worked closely with cotton growers in Arizona to develop and implement resistance management strategies such as providing «refuges» of standard cotton plants that do not produce Bt proteins and releasing sterile pink bollworm moths.

This will be critically important information as more crops are engineered to produce Bt toxins.»

Turlings's team is now looking into creating super-resistant maize by inserting the gene for caryophyllene into plants that are already engineered to produce the Bt toxin against rootworms.

Not exact matches

When crops genetically modified to express the Bt protein started hitting the market, the anti-GMO activists, including Greenpeace, claimed that the plant produced too much Bt and that it could be harmful to people.

Bt eggplant is genetically modified to produce toxins against the fruit and shoot borer.

However, last August a team headed by plant ecologist Allison Snow at Ohio State University demonstrated that this same gene might produce some very tough weeds: She found that wild sunflowers crossed with Bt sunflowers produced offspring that suffered significantly less insect - related damage and produced 50 percent more seeds than control plants without the gene.

The stakes are especially high for defining and managing insect resistance to corn and cotton plants genetically engineered to produce proteins from the bacterium Bacillus thuringiensis (Bt).

The first transgenic crop likely to be put forward for approval for open trials and commercial release is Bt cotton — which has added genes from the Bacillus thuringiensis bacterium, making the plant produce toxins that confer resistance to some insect pests.

The caterpillar pest Helicoverpa zea (also known as cotton bollworm and corn earworm) has evolved resistance to four Bt proteins produced by biotech crops.

An encouraging development is the recent commercialization of biotech crops producing a novel type of Bt protein called a vegetative insecticidal protein, or Vip.

Since 1996, farmers worldwide have planted more than a billion acres (400 million hectares) of genetically modified corn and cotton that produce insecticidal proteins from the bacterium Bacillus thuringiensis, or Bt for short.

The new study revealed that pest resistance to Bt crops is evolving faster now than before, primarily because resistance to some Bt proteins causes cross-resistance to related Bt proteins produced by subsequently introduced crops.

Many plants, including some genetically altered ones, rely on a biologically produced insecticide called Bacillus thuringiensis (Bt) for protection against pests.

Comparing proteins produced by normal genes to those produced by mutant Bt resistant ones, the team discovered that enzymes play a key role in determining whether or not a worm succumbs to the toxin.

DNA analyses of the Oaxaca corn revealed several signs of gene transfer from transgenic plants, including a gene of Bacillus thuringiensis (Bt), a bacterium that produces a toxin lethal to common pests.

China has nearly reached self - sufficiency in producing rice using conventional varieties, so the ministry has decided there is no need to commercialize Bt rice in the near future, says Huang Jikun, director of the Chinese Academy of Sciences» Center for Chinese Agricultural Policy.

[Editors» note: Bt crops have been genetically modified to produce a bacterial protein that kills certain insect pests.]

The permits enabled a group at Huazhong Agricultural University in Wuhan to produce two varieties of rice carrying a gene from the Bacillus thuringiensis (Bt) bacteria that provides pest resistance.

In a warmer world, the corn earworm may evolve resistance faster to Bt corn, a crop that has been genetically modified to produce an insect - killing toxin, researchers propose.

Bt produces a protein that is deadly to a very narrow category of pests, including the corn borer worm.

Genetically modified crops that produce the pest - killing toxin Bt increase yields and reduce the use of noxious chemical insecticides.

Plants genetically modified to produce biodegradable insecticides such as Bt are one way to solve these problems, but this approach does not work for all pests and there is intense opposition to GM crops in many countries.

Bt crops, including corn, are genetically engineered to produce proteins from the Bacillus thuringiensis (Bt) bacterium.

In the medium term, single - toxin Bt maize is being progressively replaced by a stacked variety producing two different toxins but, in a worst case scenario, one can not exclude that Busseola fusca could also quickly adapt to varieties expressing more than one toxin.

Like many other transgenic crops, Bt maize synthesises its own pesticide: a toxic protein produced in its leaves and stems, which kills pests in a matter of days.

Crops genetically engineered to produce proteins from the bacterium Bacillus thuringiensis — or Bt — were introduced in 1996 and planted on more than 180 million acres worldwide during 2013.

Planting refuges near Bt crops allows susceptible insects to survive and reproduce and thus reduces the chances that two resistant insects will mate with each other and produce resistant offspring.

A LARGE body of literature has shown that genetically modified (GM) plants that produce proteins from the bacterium Bacillus thuringiensis (Bt) to protect themselves from insect pests have little to no effect on a wide range of non-target insects.

Different strains of Bt produce proteins that target different species of insect.

By sequencing the DNA of resistant pink bollworm collected from the field in India — which grows the most Bt cotton of any country in the world — the team found that the insects produce remarkably diverse disrupted variants of cadherin.

Organic farmers actually use Bt - toxin - producing bacteria as an effective nematode control.

GMO Corn for example was combined with bacteria in order to produce its own insecticide, called Bt - toxin.

Some GE crops — especially corn — produce their own insecticide called Bt - toxin.