CYP92B1, A Cytochrome P450, Expressed in Petunia Flower Buds, That Catalyzes Monooxidation of Long-Chain Fatty Acids(Biochemistry & Molecular Biology)

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In higher plants, long-chain fatty acid hydroperoxides are intermediates in the synthesis of a diverse group of bioactive compounds. We used the reverse trascriptase-polymerase chain reaction to isolate a gene responsible for the oxidization of fatty acids from Petunia hybrida. A P450 cDNA not isolated earlier, CYP92B1, contained an open reading frame predicted to encode a polypeptide consisting of 510 amino acid residues. The transcript of the cyp92B1 gene was expressed at a high level in the early stage of flower development. CYP92B1 cDNA was expressed in a yeast, Saccharomyces cerevisiae, and recombinant yeast microsomes containing CYP92B1, a hemoprotein, metabolized lauric acid, linoleic acid, and linolenic acid.
社団法人日本農芸化学会の論文
2002-09-23