Detailed Information

Cited 0 time in webofscience Cited 0 time in scopus
Metadata Downloads

Biochemical characterization of a putative wheat caffeic acid O-methyltransferase

Authors
Zhou, Jian-MinSeo, Yong WeonIbrahim, Ragai K.
Issue Date
4월-2009
Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
Keywords
Flavone-specific O-methyltransferase; Biochemical characterization; Reannotation; Tricetin; Triticum aestivum L.; Wheat
Citation
PLANT PHYSIOLOGY AND BIOCHEMISTRY, v.47, no.4, pp.322 - 326
Indexed
SCIE
SCOPUS
Journal Title
PLANT PHYSIOLOGY AND BIOCHEMISTRY
Volume
47
Number
4
Start Page
322
End Page
326
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/120324
DOI
10.1016/j.plaphy.2008.11.011
ISSN
0981-9428
Abstract
A wheat (Triticum aestivum L., near isogenic line of Hamlet) O-methyltransferase (OMT) was previously reported as a putative caffeic acid OMT (TaCOMT1), involved in lignin biosynthesis, based on its high sequence similarity with a number of graminaceous COMTs. The fact that the putative TaCOMT1 exhibits a significantly high sequence homology to another recently characterized wheat flavone-specific GMT (TaOMT2), and that molecular modeling studies indicated several conserved amino acid residues involved in substrate binding and catalysis of both proteins, prompted an investigation of its appropriate substrate specificity. We report here that TaCOMT1 exhibits highest preference for the flavone tricetin, and lowest activity with the lignin precursors, caffeic acid/5-hydroxyferulic acid as the methyl acceptor molecules, indicating that it is not involved in lignin biosynthesis. We recommend its reannotation to a flavone-specific TaOMT1 that is distinct from TaOMT2. Crown Copyright (C) 2008 Published by Elsevier Masson SAS. All rights reserved.
Files in This Item
There are no files associated with this item.
Appears in
Collections
Graduate School > Department of Plant Biotechnology > 1. Journal Articles

qrcode

Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.

Related Researcher

Researcher Seo, Yong Weon photo

Seo, Yong Weon
식물생명공학과
Read more

Altmetrics

Total Views & Downloads

BROWSE