Zeneca Limited

Caroline Rachel Drake

Wolfgang Walter Schuch

Colin Roger Bird

A method for enhancing the expression of a tomato phytoene synthese gene in a plant while avoiding or reducing co-suppression involves the synthesis of a DNA which is altered in nucleotide sequence (SEQ ID NO:1) and is capable of expression of a protein, ideally identical to that of a protein already expressed by a DNA already present in the plant. This method ensures that sequence similarity between the two genes is reduced enough to eliminate the phenomenon of co-suppression, allowing the over-expression of a specific phytoene synthese protein.

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Bracknell, United Kingdom

Caroline Rachel Drake