Abstract
Phosphinothricin-resistant plants of commercial summer rapeseed varieties (Brassica napus L. var. oleifera DC) were obtained by means of Agrobacterium tumefaciens-mediated transformation of leaf disks. The vector structures contained the promoterless coding sequence of the phosphinothricin acetyltransferase gene (bar), which is situated between two inverted lox sites (elements of the Cre/lox recombination systems of the PI phage) and the selective neomycinphosphotransferase II gene (nptII). The presence of the newly introduced genes in the genome of the obtained plants is confirmed by the polymerase chain reaction method. Stable and linked inheritance of these genes in the T1 and T2 generations is demonstrated.
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