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Plant Biosystems - An International Journal Dealing with all Aspects of Plant Biology
Official Journal of the Societa Botanica Italiana
Volume 139, 2005 - Issue 1: Tenth Cell Wall Meeting, Sorrento, Italy. 29 August – 3 September 2004. Guest Editors: Felice Cervone, Giuseppe Dalessandro and Stephen Fry
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Acyltransferase-catalysed p-coumarate ester formation is a committed step of lignin biosynthesis

L Hoffmann Institut de Biologie Moléculaire des Plantes du CNRS, Strasbourg, FranceView further author information
,
S Besseau Institut de Biologie Moléculaire des Plantes du CNRS, Strasbourg, France
,
P Geoffroy Institut de Biologie Moléculaire des Plantes du CNRS, Strasbourg, France
,
C Ritzenthaler Institut de Biologie Moléculaire des Plantes du CNRS, Strasbourg, France
,
D Meyer Institut de Biologie Moléculaire des Plantes du CNRS, Strasbourg, France
,
C Lapierre Laboratoire de Chimie Biologique, INRA/INA, Thiverval-Grignon, France
,
B Pollet Laboratoire de Chimie Biologique, INRA/INA, Thiverval-Grignon, France
&
M Legrand Institut de Biologie Moléculaire des Plantes du CNRS, Strasbourg, France
 show all
Pages 50-53 | Published online: 21 Feb 2007
 
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Abstract

An acyltransferase (HCT) catalyses the production of p-coumaroyl-shikimate/quinate esters, the substrates of the 3-hydroxylase involved in phenylpropanoid biosynthesis. The heterologously expressed enzyme was shown to transfer the acyl group of p-coumaroyl-CoA to shikimate or quinate. HCT gene silencing in Arabidopsis thaliana and Nicotiana benthamiana resulted in changes in lignin amount and composition, thus demonstrating HCT function in planta.

Acknowledgement

We thank Frédéric Legée (INRA) for Klason determinations.

Notes

CoA, coenzyme A; HCT, hydroxycinnamoyl-CoA : shikimate/quinate hydroxycinnamoyltransferase; TRV, tobacco rattle virus; VIGS, virus-induced gene silencing

Additional information

Notes on contributors

L Hoffmann

CoA, coenzyme A; HCT, hydroxycinnamoyl-CoA : shikimate/quinate hydroxycinnamoyltransferase; TRV, tobacco rattle virus; VIGS, virus-induced gene silencing

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