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News tagged with transgenes

Larger refuges needed to sustain success of transgenic corn

Transgenic crops that produce insect-killing proteins from the bacterium Bacillus thuringiensis (Bt) have reduced reliance on insecticide sprays since 1996. Yet, just as insects become resistant to conventional insecticides, they a ...

Biology / Ecology

created Jun 03, 2012 | popularity not rated yet | comments 4

Deterring signals: Tobacco plants advertise their defensive readiness to attacking leafhoppers

Following herbivory, plants produce jasmonic acid, a hormone which activates several plant defense reactions. Scientists found that leafhoppers can evaluate whether tobacco plants are ready for defense when attacked. If jasmonate-signaling ...

Biology / Biotechnology

created May 23, 2012 | popularity 5 / 5 (1) | comments 0

Drought-resistant Argentine soy raises hopes, concerns

Researchers in Argentina have isolated a drought-resistant sunflower gene and spliced it into soy, bolstering hopes for improved yields as the South American agricultural powerhouse grapples with global warming.

Biology / Biotechnology

created Apr 27, 2012 | popularity not rated yet | comments 0

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 ...

Biology / Ecology

created Apr 23, 2012 | popularity not rated yet | comments 0

World's first handmade cloned transgenic sheep born in China

Chinese scientists from BGI together with the Institute of Genetics and Developmental Biology, Chinese Academy of Sciences (CAS), and Shihezi University, Xinjiang province, made a significant breakthrough in animal cloning. ...

Biology / Biotechnology

created Apr 19, 2012 | popularity 5 / 5 (1) | comments 4

Green-glowing fish provides new insights into health impacts of pollution

Understanding the damage that pollution causes to both wildlife and human health is set to become much easier thanks to a new green-glowing zebrafish. Created by a team from the University of Exeter, the fish ...

Biology / Other

created Apr 18, 2012 | popularity 5 / 5 (2) | comments 0

Plant research reveals new role for gene silencing DICER protein

A DICER protein, known to produce tiny RNAs in cells, also helps complete an important step in gene expression, according to research on Arabidopsis thaliana.

Biology / Biotechnology

created Mar 29, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Spinach genes may stop deadly citrus disease

Citrus growers worldwide who currently have no cure for a devastating, tree-killing disease may soon find relief from an unlikely source: spinach.

Biology / Ecology

created Mar 27, 2012 | popularity 4.5 / 5 (2) | comments 0

Brazil to lead world in biotech crops: association

Brazil is on course to dislodge the United States as the world's top producer of biotech crops in the coming years, a leading promoter of farm biotechnology said Tuesday.

Biology / Biotechnology

created Feb 07, 2012 | popularity not rated yet | comments 0

Wheat can't stop Hessian flies, so scientists find reinforcements

(PhysOrg.com) -- Wheat's genetic resistance to Hessian flies has been failing, but a group of Purdue University and U.S. Department of Agriculture scientists believe that other plants may soon be able to come ...

Biology / Biotechnology

created Dec 12, 2011 | popularity not rated yet | comments 0 | with audio podcast

New bacteria toxins against resistant insect pests

Toxins from Bacillus thuringiensis bacteria (Bt toxins) are used in organic and conventional farming to manage pest insects. Sprayed as pesticides or produced in genetically modified plants, Bt toxins, us ...

Biology / Biotechnology

created Oct 19, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Physicist detects movement of macromolecules engineered into our food

Toxin proteins are genetically engineered into our food because they kill insects by perforating body cell walls, and Professor Rikard Blunck of the University of Montreal's Group for the study of membrane proteins (GEPROM) ...

Chemistry / Analytical Chemistry

created Sep 12, 2011 | popularity 4.3 / 5 (3) | comments 0

Scientist develops sterile variety of invasive plant

Professor Yi Li's Laboratory in the University of Connecticut's College of Agriculture and Natural Resources has developed a seedless variety of the popular ornamental shrub Euonymus alatus, also called 'burning bush,' that r ...

Biology / Ecology

created Aug 16, 2011 | popularity 4 / 5 (1) | comments 0

Researchers demonstrate green tea is effective in treating genetic disorder and types of tumors

A compound found in green tea shows great promise for the development of drugs to treat two types of tumors and a deadly congenital disease. The discovery is the result of research led by Principal Investigator, ...

Chemistry / Biochemistry

created Aug 15, 2011 | popularity 4.8 / 5 (5) | comments 3 | with audio podcast

More than bacon: Genetic alterations in pig tissue may allow for human transplantation

A sizzling genetic discovery by Chinese scientists may one day allow pig tissue to be transplanted successfully into humans. Their research presented in the Journal of Leukocyte Biology represents a major step forward toward ...

Biology / Biotechnology

created Jun 30, 2011 | popularity not rated yet | comments 0