Denaturing Gradient Gel Electrophoresis chemistry 6 denaturing gradient gel electrophoresis 6 Bacteria 4 Biodiversity 4 Lakes 4 Phylogeny 4 article 4 bacterium 4 biodiversity 4 classification 4 genetics 4 isolation and purification 4 lake 4 phylogeny 4 Antarctic Regions 2 Antarctica 2 Argentina 2 Bioelectric Energy Sources 2 Biofilm 2 Biofilms 2 Carbon 2 Cyclic voltammetry 2 DGGE 2 Electricity 2 Electrodes 2 Electrogenic bacteria 2 Eukaryota 2 Geography 2 Microbial fuel cell 2