Timeline of 16S rRNA genes represented in the database. Timeline of 16S rRNA genes represented in the database. Lead author and journal abbreviation from papers contributing sequences are noted along the timeline. The yellow bar indicates the previous freshwater sequence collection review by Zwart and colleagues (238). Journal abbreviations are as follows: AEM, Applied and Environmental Microbiology; AME, Aquatic Microbial Ecology; EM, Environmental Microbiology; FEMS ME, FEMS Microbiology Ecology; FW Bio, Freshwater Biology; GeoMicro J, Geomicrobiology Journal; Mikro, Mikrobiologiia; L&O, Limnology and Oceanography; ME, Microbial Ecology; Micro, Microbiology; FEMS ML, FEMS Microbiology Letters; IJSEM, International Journal of Systematics and Evolutionary Microbiology; Polar Bio, Polar Biology; SAM, Systematic and Applied Microbiology. 1, manuscript in press at Environmental Microbiology (141a) (includes GenBank accession numbers FJ827781 to FJ828505); 2, GenBank accession numbers for the sequenced clones are HQ386253 to HQ386631; 3, GenBank accession numbers for the sequenced clones are FJ916807 to FJ916903 and HQ530565 to HQ532908, except HQ530583, HQ531638, and HQ532521. (Based on data from references 2, 3, 4, 11, 20, 22, 24, 27, 35, 38, 41, 42, 44, 45, 46, 48, 49, 52, 61, 63, 69, 73, 74, 82, 83, 84, 85, 89, 93, 95, 101, 105, 106, 108, 116, 124, 126, 127, 134, 135, 139, 140, 141, 147, 148, 149, 150, 151, 157, 176, 177, 179, 195, 205, 207, 211, 212, 213, 214, 223, 230, 231, 233, 237, 238, 239, 240, 241, and 243.) Ryan J. Newton et al. Microbiol. Mol. Biol. Rev. 2011; doi:10.1128/MMBR.00028-10