Importance

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Abstract

There is described herein a plant cell having modulated expression or activity of a nicotinamidase enzyme, said plant cell comprising: (a) a polynucleotide sequence comprising, consisting or consisting essentially of a sequence encoding the nicotinamidase enzyme; or (b) a polypeptide encoded by the polynucleotide set forth in (a); wherein said plant cell comprises at least one modification which modulates the expression or activity of the polynucleotide or the polypeptide as compared to a control plant cell in which the expression or activity of the polynucleotide or polypeptide has not been modified. Furthermore, said poly nucleotide (a) of said plant cell comprises: (i) a polynucleotide comprising, consisting or consisting essentially of a sequence having at least 70% sequence identity to SEQ ID NO:1, SEQ ID NO:3, SEQ ID NO:5, SEQ ID NO:7, SEQ ID NO:9, SEQ ID NO:11, SEQ ID NO:13, SEQ ID NO:15, SEQ ID NO:17, SEQ ID NO:19 SEQ ID NO:24 or SEQ ID NO:26; and/or (ii) a construct, vector or expression vector comprising the isolated polynucleotide set forth in (i) or set forth in SEQ ID NO:21. Furthermore, wherein said polypeptide (b) of said plant cell comprises: a polypeptide encoded by the polynucleotide set forth above; and/or a polypeptide comprising, consisting or consisting essentially of a sequence having at least 90% sequence identity to SEQ ID NO:2, SEQ ID NO:4, SEQ ID NO:6, SEQ ID NO:8, SEQ ID NO:10, SEQ ID NO:12, SEQ ID NO:14, SEQ ID NO:16, SEQ ID NO:18, SEQ ID NO:20, SEQ ID NO:25 or SEQ ID NO:27.

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First Claim