Effects of Light Stress on Extracellular Cycling in a Cyanobacterial Biofilm Community

Rhona Stuart1, Xavier Mayali1, Jennifer Pett-Ridge1, Peter K Weber2, Michael P Thelen1, Brad Bebout3 and Mary Suzanne Lipton4, (1)Lawrence Livermore National Laboratory, Livermore, CA, United States, (2)Lawrence Livermore National Laboratory, Physical and Life Sciences Directorate, Livermore, United States, (3)NASA Ames Research Center, Moffett Field, CA, United States, (4)Pacific Northwest National Laboratory, Environmental and Molecular Sciences, Richland, WA, United States