<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Christine M. Foreman</style></author><author><style face="normal" font="default" size="100%">Rose M. Cory</style></author><author><style face="normal" font="default" size="100%">Morris, Cindy E</style></author><author><style face="normal" font="default" size="100%">Michael D. SanClements</style></author><author><style face="normal" font="default" size="100%">Smith, Heidi J</style></author><author><style face="normal" font="default" size="100%">John T. Lisle</style></author><author><style face="normal" font="default" size="100%">Penney L. Miller</style></author><author><style face="normal" font="default" size="100%">Yu-Ping Chin</style></author><author><style face="normal" font="default" size="100%">Diane M. McKnight</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Microbial growth under humic-free conditions in a supraglacial stream system on the Cotton Glacier, Antarctica</style></title><secondary-title><style face="normal" font="default" size="100%">Environmental Research Letters</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2013</style></year><pub-dates><date><style  face="normal" font="default" size="100%">09/2013</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://iopscience.iop.org/1748-9326/8/3/035022</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">8</style></volume><pages><style face="normal" font="default" size="100%">035022</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">During the austral summers of 2004 and 2009, we sampled a supraglacial stream on the Cotton Glacier, Antarctica. The stream dissolved organic matter (DOM) was low (44–48 μM C) and lacked detectable humic fluorescence signatures. Analysis of the excitation emissions matrices (EEMs) indicated that amino-acid fluorophores dominated, consistent with DOM of microbial origin, with little humic-like fluorescence. In most aquatic ecosystems, humic DOM attenuates harmful UV radiation and its absence may represent an additional stressor influencing the microbial community. Nonetheless, the stream contained an active microbial assemblage with bacterial cell abundances from 2.94 × 104 to 4.97 × 105 cells ml−1, and bacterial production ranging from 58.8 to 293.2 ng C l−1 d−1. Chlorophyll-a concentrations ranged from 0.3 to 0.53 μg l−1 indicating that algal phototrophs were the probable source of the DOM. Microbial isolates produced a rainbow of pigment colors, suggesting adaptation to stress, and were similar to those from other cryogenic systems (Proteobacteria and Bacteroidetes lineages). Supraglacial streams provide an example of contemporary microbial processes on the glacier surface and a natural laboratory for studying microbial adaptation to the absence of humics.</style></abstract><issue><style face="normal" font="default" size="100%">3</style></issue></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Markus Dieser</style></author><author><style face="normal" font="default" size="100%">Christine M. Foreman</style></author><author><style face="normal" font="default" size="100%">Chris Jaros</style></author><author><style face="normal" font="default" size="100%">John T. Lisle</style></author><author><style face="normal" font="default" size="100%">Mark C. Greenwood</style></author><author><style face="normal" font="default" size="100%">Johanna Laybourn-Parry</style></author><author><style face="normal" font="default" size="100%">Penney L. Miller</style></author><author><style face="normal" font="default" size="100%">Yu-Ping Chin</style></author><author><style face="normal" font="default" size="100%">Diane M. McKnight</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Physicochemical and biological dynamics in a coastal Antarctic lake as it transitions from frozen to open water</style></title><secondary-title><style face="normal" font="default" size="100%">Antarctic Science</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2013</style></year><pub-dates><date><style  face="normal" font="default" size="100%">12/2013</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">25</style></volume><pages><style face="normal" font="default" size="100%">663–675</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">5</style></issue></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Christine M. Foreman</style></author><author><style face="normal" font="default" size="100%">Markus Dieser</style></author><author><style face="normal" font="default" size="100%">Mark Greenwood</style></author><author><style face="normal" font="default" size="100%">Rose M. Cory</style></author><author><style face="normal" font="default" size="100%">Johanna Laybourn-Parry</style></author><author><style face="normal" font="default" size="100%">John T. Lisle</style></author><author><style face="normal" font="default" size="100%">Chris Jaros</style></author><author><style face="normal" font="default" size="100%">Penney L. Miller</style></author><author><style face="normal" font="default" size="100%">Yu-Ping Chin</style></author><author><style face="normal" font="default" size="100%">Diane M. McKnight</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">When a habitat freezes solid: microorganisms over-winter within the ice column of a coastal Antarctic lake</style></title><secondary-title><style face="normal" font="default" size="100%">FEMS Microbiology Ecology</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">06/2011</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://onlinelibrary.wiley.com/doi/10.1111/j.1574-6941.2011.01061.x/full</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">76</style></volume><pages><style face="normal" font="default" size="100%">401 - 412</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">3</style></issue></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Sawstrom, C</style></author><author><style face="normal" font="default" size="100%">John T. Lisle</style></author><author><style face="normal" font="default" size="100%">Alexandre M. Anesio</style></author><author><style face="normal" font="default" size="100%">John C. Priscu</style></author><author><style face="normal" font="default" size="100%">Johanna Laybourn-Parry</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Bacteriophage in polar inland waters</style></title><secondary-title><style face="normal" font="default" size="100%">Extremophiles</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2008</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">/reports/lakes/SawstromEtAl2008Bacteriophage.pdf</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">12</style></volume><pages><style face="normal" font="default" size="100%">167-175</style></pages><language><style face="normal" font="default" size="100%">eng</style></language></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>5</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">John C. Priscu</style></author><author><style face="normal" font="default" size="100%">Edward E. Adams</style></author><author><style face="normal" font="default" size="100%">Hans W. Paerl</style></author><author><style face="normal" font="default" size="100%">Christian H. Fritsen</style></author><author><style face="normal" font="default" size="100%">John E. Dore</style></author><author><style face="normal" font="default" size="100%">John T. Lisle</style></author><author><style face="normal" font="default" size="100%">Craig F.  Wolf</style></author><author><style face="normal" font="default" size="100%">Jill A. Mikucki</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">S. O. Rogers</style></author><author><style face="normal" font="default" size="100%">J. Castello</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Perennial Antarctic lake ice: A refuge for cyanobacteria in an extreme environment</style></title><secondary-title><style face="normal" font="default" size="100%">Life in Ancient Ice</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2005</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.montana.edu/lkbonney/DOCS/Publications/PriscuEtAl2005CyanobacteriaRefuge.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Princeton University Press</style></publisher><pages><style face="normal" font="default" size="100%">22-49</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><accession-num><style face="normal" font="default" size="100%">LTER63396</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">John T. Lisle</style></author><author><style face="normal" font="default" size="100%">John C. Priscu</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">The Occurrence of Lysogenic Bacteria and Microbial Aggregates in the Lakes of the McMurdo Dry Valleys, Antarctica</style></title><secondary-title><style face="normal" font="default" size="100%">Microbial Ecology</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2004</style></year></dates><volume><style face="normal" font="default" size="100%">47</style></volume><pages><style face="normal" font="default" size="100%">427-439</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">4</style></issue><accession-num><style face="normal" font="default" size="100%">LTER63373</style></accession-num></record></records></xml>