Assessment of genetically modified maize DP23211 for food and feed uses (Corteva Agriscience)

The GMO Panel assessed maize DP23211 (EFSA, 2024a). The maize produces

• IPD072Aa toxin from the soil bacterium Pseudomonas chlororaphis (against corn rootworm), which is assessed by EFSA here for the first time;
• DvSSJ1 dsRNA (against corn rootworm), which is assessed here by EFSA for the first time;
• the phosphinothricin acetyl transferase (PAT) protein for tolerance to glufosinate-ammonium-containing herbicides;

as well as the PMI protein (as selectable marker). Consequently, the maize is resistant to glufosinate herbicides and toxic to corn rootworm. The genetic intervention involved a multistep process to introduce a ‘landing pad’ at the target site, where the gene constructs for the production of new proteins (new traits) are subsequently inserted.