1. Instituto de Bioquimica Vegetal y Fotosintesis, Consejo Superior de Investigaciones Cientificas (CSIC)-Universidad de Sevilla , Sevilla 41092 , Spain
2. Departamento de Bioquimica Vegetal y Biologia Molecular, Facultad de Biologia, Universidad de Sevilla , Sevilla 41012 , Spain
3. Guest Editor, The Plant Cell, American Society of Plant Biologists , USA
4. Department of Biology, Duke University , Durham, NC 27708 , USA
5. Senior Editor, The Plant Cell, American Society of Plant Biologists , USA
6. Department of Molecular Sciences, Uppsala BioCenter, Swedish University of Agricultural Sciences and Linnean Center for Plant Biology , Uppsala 75007 , Sweden