Project description:Comparison of the transcriptome profiles of a widely commercialized maize MON810 variety and its non-GM near-isogenic counterpart grown in agricultural fields. The Helen variety was commercialized by Limagrain Iberica. Variety Helen B was obtained by Advanta; authorized the 11/08/2005; now commercialized by Limagrain Iberica. The insert integrated into the maize genome contains: Cauliflower Mosaic Virus 35S promoter + maize HSP70 intron (partial) + synthetic sequence coding for the Bacillus thuringensis CRYIA(b) insecticidal protein (truncated).