Patent ID: 7439419

Claim:
An isolated nucleic acid molecule encoding a β-solanine/β-chaconine rhamnosyltransferase (SGT3) polypeptide having SGT3 enzymatic activity, selected from the group consisting of: (a) a nucleic acid molecule with polypeptide coding sequence having at least 99% nucleotide sequence identity with SEQ ID NO:1 from nucleotide 7 to nucleotide 1521; (b) a nucleic acid sequence which encodes a polypeptide having at least 99% identity with SEQ ID NO:2; (c) a nucleic acid sequence which hybridizes under high stringency conditions with: SEQ ID NO:1 from nucleotide 7 to nucleotide 1521 wherein said high stringency conditions comprise hybridization at 68° C. in a solution consisting of 5×SSPE, 1% SDS 5×Denhardt's reagent and 100 μg/ml denatured salmon sperm DNA followed by washing in a solution comprising 0.1×SSPE, and 0.1% SDS at 68° C.; (d) a nucleic acid molecule as shown in SEQ ID NO:1; (e) an RNA equivalent of the sequences of (a), (b), (c), or (d); and (f) a full length complement of the molecule defined in (a), (b), (c), (d) or (e).