Alexandra Possling

Max Planck Institute for Molecular Genetics

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About

Alexandra Possling is a molecular biologist whose pioneering work in plant proteomics has significantly advanced the use of protein microarray technology. Her research centers on developing high-throughput tools to study protein interactions and post-translational modifications in plants, with a particular focus on kinases and their targets. Possling’s landmark 2003 study, which generated the first Arabidopsis protein chips for antibody and serum screening (47 citations), established a foundational platform for plant functional genomics. She further demonstrated the power of this technology in her 2004 work identifying targets of barley CK2α (46 citations), providing critical insights into kinase signaling networks in crops. These contributions have enabled researchers to systematically probe protein functions and disease responses in plants, with her methods still widely referenced in proteomics studies. Possling’s work exemplifies how innovative tool development can accelerate discovery in plant biology, bridging the gap between genomic data and functional understanding.