Recombinant
cry1Ab DNA and insecticidal Cry1Ab protein from genetically modified (gm) maize is introduced into soil by plant residues and potentially by liquid manure of gm maize fed cattle. The aim of the study was to follow the soil entry of the novel molecules by these two pathways. A fast degradation of
cry1Ab DNA and Cry1Ab protein from plant material over feed to liquid manure was shown. In liquid manure minor amounts of immunoactive Cry1Ab fragments but no
cry1Ab DNA was detected. Cry1Ab protein was further degraded to non-detectable levels in soil. There was no accumulation of Cry1Ab in soil after nine years of Bt-maize cultivation.
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Recombinant
cry1Ab DNA and insecticidal Cry1Ab protein from genetically modified (gm) maize is introduced into soil by plant residues and potentially by liquid manure of gm maize fed cattle. The aim of the study was to follow the soil entry of the novel molecules by these two pathways. A fast degradation of
cry1Ab DNA and Cry1Ab protein from plant material over feed to liquid manure was shown. In liquid manure minor amounts of immunoactive Cry1Ab fragments but no
cry1Ab DNA was detected. Cry1A...
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