Genetic Weapon Against Insects Raises Hope and Fear in Farming Andrew Pollackjan - The New York Times
go to original February 4, 2014

Monsanto is exploring the use of RNA interference to kill a mite that may play a role in bee die-offs. (Monsanto)

Scientists and biotechnology companies are developing what could become the next powerful weapon in the war on pests — one that harnesses a Nobel Prize-winning discovery to kill insects and pathogens by disabling their genes.

By zeroing in on a genetic sequence unique to one species, the technique has the potential to kill a pest without harming beneficial insects. That would be a big advance over chemical pesticides.

“If you use a neuro-poison, it kills everything,” said Subba Reddy Palli, an entomologist at the University of Kentucky who is researching the technology, which is called RNA interference. “But this one is very target-specific.”

But some specialists fear that releasing gene-silencing agents into fields could harm beneficial insects, especially among organisms that have a common genetic makeup, and possibly even human health. The controversy echoes the larger debate over genetic modification of crops that has been raging for years. The Environmental Protection Agency, which regulates pesticides, will hold a meeting of scientific advisers this week to discuss the potential risks of RNA interference.

Read the rest at The New York Times

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