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Sep 27, 2010

BT Residue from GM Corn Entering Midwestern Streams and Headwaters

In a study published by the Proceedings of the National Academy of Science on 27 September 2010 scientists have found BT contaminants in Midwestern streams. 

The research was conducted by University of Notre Dame ecologist, Jennifer Tank, Emma J. Rosi-Marshall at The Cary Institute of Ecosystem Studies, Todd V. Royer of Indiana University, Matthew R. Whiles of Southern Illinois University, David J. Treering of Loyola University Chicago, and Natalie A. Griffiths and Therese C. Frauendorf at the University of  Notre Dame.


BT contamination from gene-engineered corn crops was found in streams throughout the midwestern United States, even six months after harvest. The study examined how BT was concentrated and distributed.  This is an important consideration as these midwestern streams drain into the Mississippi and Missouri river basin where agricultural run-off is responsible for creating a large "dead-zone" in the Gulf of Mexico.


For more see:

Tank, Jennifer L.; Emma J. Rosi-Marshall, Todd V. Royer, Matt R. Whiles, Natalie A. Griffiths, Therese C. Frauendorf, and David J. Treering.  "Occurrence of maize detritus and a transgenic insecticidal protein (Cry1Ab) within the stream network of an agricultural landscape." PNAS, 27 September 2010.

Biello, David.  "Genetically inserted insecticide contaminates U.S. waterway," Scientific American, 29 September 2010.


Weise, Elizabeth.  "Genetically engineered protein from corn found in waterways," USA Today, 29 September 2010.
 
Ruitenberg, Rudy.  "Toxin From Biotech Corn Detected in U.S. Streams, Study Finds," Bloomberg, 28 September 2010.

About Margaret


CEO and Curator (The Food Museum) | Managing Director and Chief Editor (GR2 Global LLC) | Educator (UCLA PhD) | Researching and writing on global food issues, nutrition and health, sustainability, history (preservation), conservation (natural resources), and design.
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