Traditional Breeding Alters Maize Composition More than Stacking Transgenic Events
Dow AgroSciences LLC researchers, led by Rod A. Herman, evaluated the impact
of crossing (stacking)
d¤ea794c5a&e?99440571> genetically modified (GM) events on maize grain
biochemical composition and compared it with the impact caused by generating
The compositional similarity of seven GM stacks containing event DAS-?15?7-1
was compared to their corresponding non-GM near-isogenic hybrids
(iso-hybrids) and to currently grown non-GM hybrids and their iso-hybrids.
Scatter plots were used to visualize comparisons among hybrids.
The composition of GM breeding stacks was found to be more similar to the
composition of their iso-hybrids than to the composition of non-GM hybrids
to their iso-hybrids. Hence, non-GM breeding is more capable of influenced
crop composition than transgenesis or stacking of
dÂ073e846f&e?99440571> GM events.
These findings can be grounds to call into question the importance of
requiring composition studies for
fad530415&e?99440571> GM crops, especially for breeding stacks composed
of GM events previously found to be compositionally similar to iso-hybrids.
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