GabiPD: the GABI primary database - a plant integrative 'omics' database. - Diego Mauricio Riaño-Pachón; Axel Nagel; Jost Neigenfind; Robert Wagner; Rico Basekow; Elke Weber; Bernd Mueller-Roeber; Svenja Diehl; Birgit Kersten (Nucleic Acids Res., 2009)

PhosPhAt: the Arabidopsis thaliana phosphorylation site database. An update. - Pawel Durek; Robert Schmidt; Joshua L. Heazlewood; Alexandra Jones; Daniel MacLean; Axel Nagel; Birgit Kersten; Waltraud X. Schulze (Nucleic Acids Res., 2010)

PlnTFDB: updated content and new features of the plant transcription factor database. - Paulino Pérez-Rodríguez; Diego Mauricio Riaño-Pachón; Luiz Gustavo Guedes Corrêa; Stefan A. Rensing; Birgit Kersten; Bernd Mueller-Roeber (Nucleic Acids Res., 2010)