Targeted expression of a ferulic acid esterase from Aspergillus niger in leaves of forage grasses

Marcia M. de O. Buanafina, Tim Langdon, H. Hicks, Barbara D. Hauck, Sue J. Dalton, Phillip Morris

Research output: Chapter in Book/Report/Conference proceedingConference Proceeding (Non-Journal item)

Abstract

Transgenic plants of Festuca arundinacea and Lolium multiflorum were produced expressing a ferulic acid esterase (FAE) gene isolated from Aspergillus niger, following microprojectile bombardment of cell cultures. The level of FAE activity measured from different vectors targeting FAE to the vacuole, ER and apoplast under constitutive promoters showed that the activity was highest in young leaves and increased along the leaf lamina. FAE expression resulted in release of monomeric and dimeric ferulic acids from cell walls on cell death and this was enhanced several fold by the addition of recombinant xylanase. The effect of FAE expression on the monomeric and dimeric cell wall ester linked ferulate content in comparison to control (non-transformed) plants is reported.
Original languageEnglish
Title of host publicationMultifunctional Grassland: Quality Forages, Animal Products and Landscapes
EditorsJ- L. Durand, J-C. Emile, C. Huyghe, G. Lemaire
PublisherBritish Grassland Society
Pages66-69
Number of pages4
Volume7
ISBN (Print)2950411037
Publication statusPublished - 2002
EventProceedings of the 19th General Meeting of the European Grassland Federation (EGF) - La Rochelle, France
Duration: 27 May 200230 May 2002

Publication series

NameGrassland Science in Europe

Conference

ConferenceProceedings of the 19th General Meeting of the European Grassland Federation (EGF)
Country/TerritoryFrance
CityLa Rochelle
Period27 May 200230 May 2002

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