Journal article says suppressed study found GM corn killed ladybugs

A recent article in Nature Biotechnology on how biotechnology companies restrict independent research described a study showing that a genetically modified corn killed ladybugs and that the study was suppressed by the corn’s developer.

In 2001, Pioneer Hi-Bred developed a GM corn variety that contained two Bt toxins, Cry34Ab1 and Cry35Ab1, to kill corn rootworms.

The company asked university laboratories to test for unintended consequences on ladybugs. Scientists fed the corn to ladybugs and found that nearly 100% died after the eighth day in the life cycle.

Pioneer forbade the scientists from publicizing the data. A scientist with the group who wants to remain anonymous said “The company came back and said ‘you are under no circumstances able to publicize this data in any way.’”

Pioneer submitted data to the EPA showing no harm to ladybugs and received government approval to commercialize the corn in 2003.

A Pioneer scientist says the commercialized variety contains a different genetic construct than the corn that killed the ladybugs.

The EPA was told about the independently produced data, but did nothing, according to the anonymous scientist. The same scientist also says Pioneer’s data is flawed.
(Source: Nature Biotechnology)

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One response to “Journal article says suppressed study found GM corn killed ladybugs

  1. Hmm that’s very interessting but honestly i have a hard time seeing it… wonder what others have to say..

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