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 ...
Jun 03, 2012 |
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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 ...
May 23, 2012 |
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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.
Apr 27, 2012 |
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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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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. ...
Apr 19, 2012 |
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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 ...
Apr 18, 2012 |
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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.
Mar 29, 2012 |
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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.
Mar 27, 2012 |
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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.
Feb 07, 2012 |
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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 ...
Dec 12, 2011 |
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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 ...
Oct 19, 2011 |
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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
Sep 12, 2011 |
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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 ...
Aug 16, 2011 |
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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, ...
Aug 15, 2011 |
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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 ...
Jun 30, 2011 |
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