Affiliation: | 1.Department of Plant Physiology,RWTH Aachen University,Aachen,Germany;2.Institute of Biotechnology and Drug Research,Kaiserslautern,Germany;3.Biotechnology,Johannes Gutenberg-University,Mainz,Germany;4.INRA, UMR BGPI, Campus International de Baillarguet,Montpellier Cedex 5,France |