Birnessite mediated abiotic protein fragmentation may supply oligopeptides to soil biota

Patrick N Reardon1, Stephany Soledad Chacon2, Eric D. Walter1, Nancy Washton1 and Markus Kleber3, (1)Pacific Northwest National Laboratory, Environmental Molecular Sciences Laboratory, Richland, WA, United States, (2)Oregon State University, Crop and Soil Science, Corvallis, OR, United States, (3)Oregon State University, Corvallis, OR, United States