Tanja Feilner

Max Planck Society, Max Planck Institute for Molecular Genetics

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About

Tanja Feilner is a pioneering figure in plant proteomics and functional genomics, best known for her foundational work in developing high-throughput protein microarray technologies. Her research centers on the systematic analysis of protein interactions and post-translational modifications, with a particular focus on signaling pathways in plants. Feilner’s landmark 2003 study, "Generation of Arabidopsis protein chips for antibody and serum screening" (47 citations), established a critical platform for large-scale protein interaction studies, enabling researchers to screen antibodies and sera against thousands of Arabidopsis proteins simultaneously. This innovation was rapidly applied in her 2004 work, "Identification of barley CK2α targets by using the protein microarray technology" (46 citations), where she demonstrated the power of these chips to uncover novel kinase substrates—specifically targets of casein kinase 2α in barley. By bridging plant model systems with cutting-edge proteomic tools, Feilner’s contributions have significantly advanced our understanding of cellular signaling networks and provided essential resources for the plant biology community. Her work remains a cornerstone for researchers exploring protein function and regulation in plants.