Writing in the current Nature Biotechnology, a group from the University of Wisconsin–Madison including Joshua Coon and Jean-Michel Ané details more than 23,000 plant and bacterial proteins and the molecular controls by which they execute the beneficial relationship. The atlas, possibly the most exhaustive proteomic inventory of any kind to date, shows in minute detail the interplay of proteins as rhizobia colonize root nodules on the model legume Medicago truncatula. Read more…