The Importance of Dissimilatory Nitrate Reduction to Ammonium (DNRA) in the Nitrogen Cycle of Coastal Ecosystems
Anne E. Giblin,Craig R. Tobias,Bongkeun Song,Nathaniel B. Weston,Gary Thomas Banta,Victor H. Rivera-Monroy +5 more
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The Oceanography 26, no. 3 (2013): 124-131, doi:10.5670/oceanog.2013.54.1 as discussed by the authors, was published by The Oceanography Society.Abstract:
Author Posting. © The Oceanography Society, 2013. This article is posted here by permission of The Oceanography Society for personal use, not for redistribution. The definitive version was published in Oceanography 26, no. 3 (2013): 124–131, doi:10.5670/oceanog.2013.54.read more
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Production of methane and gaseous compounds by surface microbial activity in a small pockmark field, Dunmanus Bay, Ireland
Shane S. O'Reilly,Sean F. Jordan,Xavier Monteys,André J. Simpson,Christopher C. R. Allen,Michal Szpak,Brian R. Murphy,Stephen McCarron,Ronald Soong,Bing Wu,Amy Jenne,Anthony Grey,Brian P. Kelleher +12 more
TL;DR: In this paper, the authors revisited a field of small (ca. 2 m diameter) shallow coastal waters and showed that there may also exist a spectrum of physical, chemical and biological processes that form pockmarks.
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Sediment metagenomics reveals the impacts of poultry industry wastewater on antibiotic resistance and nitrogen cycling genes in tidal creek ecosystems
TL;DR: In this article , the authors examined the abundance and diversity of antibiotic resistance and N cycling genes in sediment microbial communities impacted by poultry industry wastewater and quantified the abundance of the clinical class 1 integron-integrase gene through qPCR as a secondary marker of anthropogenic contamination.
Competition between dissimilatory nitrate reduction to ammonium and denitrification in marine sediments
TL;DR: In this article, the vertical distribution of net rates of Dissimilatory Nitrate Reduction to Ammonium (DNRA) with minimal physical disturbance in intact sediment cores at millimeter resolution is determined.
Journal ArticleDOI
Correction to: Shift of DNRA bacterial community composition in sediment cores of the Pearl River Estuary and the impact of environmental factors.
TL;DR: In this paper, the authors examined spatially and temporally the composition and diversity of DNRA bacteria along a salinity gradient in five sediment cores of the Pearl River Estuary (PRE).
References
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The evolution and future of earth's nitrogen cycle
TL;DR: Humans must modify their behavior or risk causing irreversible changes to life on Earth, as the damage done by humans to the nitrogen economy of the planet will persist for decades, possibly centuries, if active intervention and careful management strategies are not initiated.
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Have we overemphasized the role of denitrification in aquatic ecosystems? A review of nitrate removal pathways
TL;DR: The removal of nitrogen in aquatic ecosystems is of great interest because excessive nitrate in groundwater and surface water is a growing problem and is linked to eutrophication and harmful algal blooms, especially in coastal marine waters.
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Denitrification: ecological niches, competition and survival
TL;DR: It is suggested that organic carbon is more important than oxygen status in determining denitrifying enzyme content of habitats, and Michaelis-Menten theoretical models suggest the conditions required to achieve changes in partitioning between the two fates of nitrate.
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Eutrophication in shallow coastal bays and lagoons: the role of plants in the coastal filter
TL;DR: In this article, the authors focus on one type of biotic feedback that influences eu- trophication patterns in coastal bays, and discuss the 2 aspects of plant-mediated nutrient cycling as eutrophica- tion induces a shift in primary producer dominance.
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Unexpected nondenitrifier nitrous oxide reductase gene diversity and abundance in soils
Robert A. Sanford,Darlene D. Wagner,Qingzhong Wu,Joanne C. Chee-Sanford,Sara H. Thomas,Claribel Cruz-García,Gina P. Rodriguez,Gina P. Rodriguez,Arturo Massol-Deyá,Kishore Kumar Krishnani,Kirsti M. Ritalahti,Kirsti M. Ritalahti,Silke Nissen,Silke Nissen,Konstantinos T. Konstantinidis,Frank E. Löffler,Frank E. Löffler +16 more
TL;DR: It is demonstrated that diverse microbial taxa possess divergent nos clusters with genes that are related yet evolutionarily distinct from the typical nos genes of denitirifers, and that nondenitrifying populations with a broad range of metabolisms and habitats are potentially significant contributors to N2O consumption.
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