PuSH - Publication Server of Helmholtz Zentrum München: Elicitor induced S-adenosyl-L-methionine: Caffeoyl-CoA 3-O-methyltransferase from Carrot Cell Suspension Cultures.

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Kühnl, T. ; Koch, U. ; Heller, W. ; Wellmann, E.

Elicitor induced S-adenosyl-L-methionine: Caffeoyl-CoA 3-O-methyltransferase from Carrot Cell Suspension Cultures.

Plant Sci. 60, 21-25 (1989)

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Open Access Green as soon as Postprint is submitted to ZB.

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In the presence of S-adenosyl-l-methionine, enzyme preparations from carrot (Daucus carota L.) cell suspension cultures specifically catalyze the methylation of caffeoyl-CoA to feruloyl-CoA. Caffeate, 5-O-caffeoyl-d-quinate, 5-O-caffeoylshikimate and methyl caffeate do not act as substrates. The caffeoyl-CoA 3-O-methyltransferase activity is stimulated in vitro by 1 mM Mg²⁺. The reaction is inhibited by S-adenosyl-l-homocysteine but not by coenzyme A. Extractable enzyme activity is stimulated by cell wall preparations from Phytophthora megasperma f. sp. glycinea indicating that feruloyl-CoA is an intermediate in the defence reaction of the cells.

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Publication type Article: Journal article

Document type Scientific Article

Corresponding Author

Keywords caffeoyl-CoA 3-O-methyltransferase; feruloyl-CoA; Pmg elicitor; Daucus carota L

ISSN (print) / ISBN 0168-9452

e-ISSN 0168-9452

Journal Plant Science

Quellenangaben Volume: 60, Pages: 21-25

Publisher Elsevier

Non-patent literature Publications

Reviewing status Peer reviewed

Institute(s) Institute of Biochemical Plant Pathology (BIOP)