Patent ID: 7425670

Claim:
A transgenic tobacco plant of the genus Nicotiana having reduced quinolate phosphoribosyl transferase (QPRTase) production relative to a non-transformed control plant, said transgenic plant comprising transgenic plant cells containing a heterologous nucleic acid comprising a nucleotide sequence selected from the group consisting of: (a) the nucleotide sequence of SEQ ID NO: 1; (b) a nucleotide sequence that encodes a quinolate phosphoribosyl transferase enzyme having the amino acid sequence of SEQ ID NO:2; and (c) a nucleotide sequence that is at least 95% identical to the nucleotide sequence of (a) or (b) above and that encodes a quinolate phosphoribosyl transferase enzyme, and wherein said transgenic plant further comprises a transgene encoding a heterologous protein of interest.