Denitrifying haloarchaea: sources and sinks of nitrogenous gases

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Title: Denitrifying haloarchaea: sources and sinks of nitrogenous gases
Authors: Torregrosa-Crespo, Javier | Bergaust, Linda | Pire, Carmen | Martínez-Espinosa, Rosa María
Research Group/s: Bioquímica Aplicada/Applied Biochemistry (AppBiochem) | Biotecnología de Extremófilos (BIOTECEXTREM)
Center, Department or Service: Universidad de Alicante. Departamento de Agroquímica y Bioquímica
Keywords: Denitrification | Nitric oxide | Nitrous oxide | Haloarchaea | Greenhouse gas | Climate change
Knowledge Area: Bioquímica y Biología Molecular
Issue Date: 1-Feb-2018
Publisher: Oxford University Press
Citation: FEMS Microbiology Letters. 2018, 365(3): fnx270. doi:10.1093/femsle/fnx270
Abstract: Haloarchaea thrive under saline and hypersaline conditions and often dominate microbial communities in saltmarshes, salted lakes/soils and some oceanic areas. Some of the predominant species show denitrifying capabilities, although it remains unclear whether they are complete or partial denitrifiers. As complete denitrifiers, they could play important roles buffering ecosystems in which nitrate and nitrite appear as contaminants. However, partial denitrifying haloarchaea could contribute to the emission of nitrogenous gasses, thus acting as drivers of climate change and ozone depletion. In this review, we summarise some recent results on denitrification in haloarchaea, discuss the environmental implications and outline possible applications in mitigation. Finally, we list questions to be addressed in the near future, facilitating increased understanding of the role of these organisms in N turnover in arid and hypersaline environments.
Sponsor: This work was funded by research grants from the Ministry of Economy, Industry and Competitiveness (CTM2013-43147-R) and Generalitat Valenciana (ACIF 2016/077).
ISSN: 0378-1097 (Print) | 1574-6968 (Online)
DOI: 10.1093/femsle/fnx270
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2018 Federation of European Microbiological Societies
Peer Review: si
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Appears in Collections:INV - BIOTECEXTREM - Artículos de Revistas
INV - AppBiochem - Artículos de Revistas

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