Before revision: Occurrence and use Even though D-amino acids are minimal constituents of living organisms, they occur in a broad range of natural environments such as soils, riverine, lacustrine , marine systems, snow ice, aerosols and precipitation.
After revision: Occurrence and use Even though D-amino acids are minimal constituents of living organisms, they occur in a broad range of natural environments such as soils, rivers, lakesand , marine systems, snow ice, aerosols and precipitation.