Search Results - "Grettenberger, Christen L"

Physiology, Not Nutrient Availability, May Have Limited Primary Productivity After the Emergence of Oxygenic Photosynthesis by Grettenberger, Christen L., Sumner, Dawn Y.

“…ABSTRACT The evolution of oxygenic photosynthesis in Cyanobacteria was a transformative event in Earth's history. However, the scientific community disagrees…”
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Novel Gloeobacterales spp. from Diverse Environments across the Globe by Grettenberger, Christen L

“…Photosynthetic and their descendants are the only known organisms capable of oxygenic photosynthesis. Their metabolism permanently changed the Earth's surface…”
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Metabolic diversity and co-occurrence of multiple Ferrovum species at an acid mine drainage site by Grettenberger, Christen L, Havig, Jeff R, Hamilton, Trinity L

“…Ferrovum spp. are abundant in acid mine drainage sites globally where they play an important role in biogeochemical cycling. All known taxa in this genus are…”
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A phylogenetically novel cyanobacterium most closely related to Gloeobacter by Grettenberger, Christen L., Sumner, Dawn Y., Wall, Kate, Brown, C. Titus, Eisen, Jonathan A., Mackey, Tyler J., Hawes, Ian, Jospin, Guillaume, Jungblut, Anne D.

“…Clues to the evolutionary steps producing innovations in oxygenic photosynthesis may be preserved in the genomes of organisms phylogenetically placed between…”
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Bacterial community structure of microbial pinnacles in ice-covered Lake Vanda, Antarctica by Grettenberger, Christen L., Sumner, Dawn Y., Wall, Kate, Hawes, Ian, Mackey, Tyler, Jungblut, Anne D.

“…The McMurdo Dry Valleys are a cold and arid environment with low biomass relative to most ice-free environments. The ice-covered lakes in the valleys, however,…”
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Biogeographic distribution of five Antarctic cyanobacteria using large-scale k-mer searching with sourmash branchwater by Lumian, Jessica, Sumner, Dawn Y, Grettenberger, Christen L, Jungblut, Anne D, Irber, Luiz, Pierce-Ward, N Tessa, Brown, C Titus

“…Cyanobacteria form diverse communities and are important primary producers in Antarctic freshwater environments, but their geographic distribution patterns in…”
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Limiting factors in the operation of photosystems I and II in cyanobacteria by Grettenberger, Christen L., Abou‐Shanab, Reda, Hamilton, Trinity L.

“…Cyanobacteria are important targets for biotechnological applications due to their ability to grow in a wide variety of environments, rapid growth rates, and…”
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Efficient Low-pH Iron Removal by a Microbial Iron Oxide Mound Ecosystem at Scalp Level Run by Grettenberger, Christen L, Pearce, Alexandra R, Bibby, Kyle J, Jones, Daniel S, Burgos, William D, Macalady, Jennifer L

“…Acid mine drainage (AMD) is a major environmental problem affecting tens of thousands of kilometers of waterways worldwide. Passive bioremediation of AMD…”
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Metagenome-Assembled Genomes of Novel Taxa from an Acid Mine Drainage Environment by Grettenberger, Christen L, Hamilton, Trinity L

“…Acid mine drainage (AMD) is a global problem in which iron sulfide minerals oxidize and generate acidic, metal-rich water. Bioremediation relies on…”
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Microbial population structure in a stratified, acidic pit lake in the Iberian Pyrite Belt by Grettenberger, Christen L., Mccauley Rench, Rebecca L., Gruen, Danielle S., Mills, Daniel B., Carney, Colin, Brainard, Jamie, Hamasaki, Hiroshi, Ramirez, Ramses, Watanabe, Yumiko, Amaral-Zettler, Linda A., Ohmoto, Hiroshi, Macalady, Jennifer L.

“…We examined the geochemistry and bacterial and archaeal community structure in the acidic (pH < 2.4) pit lake at Peña de Hierro, near the headwaters of the Río…”
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Metabolic Capacity of the Antarctic Cyanobacterium Phormidium pseudopriestleyi That Sustains Oxygenic Photosynthesis in the Presence of Hydrogen Sulfide by Lumian, Jessica E, Jungblut, Anne D, Dillion, Megan L, Hawes, Ian, Doran, Peter T, Mackey, Tyler J, Dick, Gregory J, Grettenberger, Christen L, Sumner, Dawn Y

“…Sulfide inhibits oxygenic photosynthesis by blocking electron transfer between H O and the oxygen-evolving complex in the D1 protein of Photosystem II. The…”
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Energy, ecology and the distribution of microbial life by Macalady, Jennifer L., Hamilton, Trinity L., Grettenberger, Christen L., Jones, Daniel S., Tsao, Leah E., Burgos, William D.

“…Mechanisms that govern the coexistence of multiple biological species have been studied intensively by ecologists since the turn of the nineteenth century…”
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Energy, ecology and the distribution of microbial life by Macalady, Jennifer L., Hamilton, Trinity L., Grettenberger, Christen L., Jones, Daniel S., Tsao, Leah E., Burgos, William D.

“…Mechanisms that govern the coexistence of multiple biological species have been studied intensively by ecologists since the turn of the nineteenth century…”
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Riparian and valley-margin hardwood species of pre-colonial Piedmont forests: A preliminary study of subfossil leaves from White Clay Creek, southeastern Pennsylvania, USA by Elliott, SJ, Grettenberger, CL, Donovan, MP, Wilf, P, Walter, RC, Merritts, DJ

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