Using Position-Specific 13C and 14C Labeling and 13C-PLFA Analysis to Assess Microbial Transformations of Free Versus Sorbed Alanine

Carolin Apostel, Georg-August-Universitaet Goettingen, Goettingen, Germany, Jennifer Herschbach, University of Koblenz and Landau, Landau, Germany, Ezekiel Kipyegon Bore, University of Goettingen, Germany, Agricultural soil sciences, Goettingen, Germany, Yakov Kuzyakov, Department of Soil Science of Temperate Ecosystems, University of Göttingen, Göttingen, Germany and Michaela Anna Dippold, Department of Biogeochemistry of Agroecosystems, University of Göttingen, Göttingen, Germany