Anaerobic Metabolism in Haloferax Genus: Denitrification as Case of Study

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Title: Anaerobic Metabolism in Haloferax Genus: Denitrification as Case of Study
Authors: Torregrosa-Crespo, Javier | Martínez-Espinosa, Rosa María | Esclapez, Julia | Bautista, Vanesa | Pire, Carmen | Camacho, Mónica | Richardson, David J. | Bonete, María-José
Research Group/s: Biotecnología de Extremófilos (BIOTECEXTREM)
Center, Department or Service: Universidad de Alicante. Departamento de Agroquímica y Bioquímica
Keywords: Haloarchaea | Denitrification | Anaerobic metabolism | NOx emissions | Bioremediation
Knowledge Area: Bioquímica y Biología Molecular
Issue Date: 2016
Publisher: Elsevier
Citation: Advances in Microbial Physiology. 2016, 68: 41-85. doi:10.1016/bs.ampbs.2016.02.001
Abstract: A number of species of Haloferax genus (halophilic archaea) are able to grow microaerobically or even anaerobically using different alternative electron acceptors such as fumarate, nitrate, chlorate, dimethyl sulphoxide, sulphide and/or trimethylamine. This metabolic capability is also shown by other species of the Halobacteriaceae and Haloferacaceae families (Archaea domain) and it has been mainly tested by physiological studies where cell growth is observed under anaerobic conditions in the presence of the mentioned compounds. This work summarises the main reported features on anaerobic metabolism in the Haloferax, one of the better described haloarchaeal genus with significant potential uses in biotechnology and bioremediation. Special attention has been paid to denitrification, also called nitrate respiration. This pathway has been studied so far from Haloferax mediterranei and Haloferax denitrificans mainly from biochemical point of view (purification and characterisation of the enzymes catalysing the two first reactions). However, gene expression and gene regulation is far from known at the time of writing this chapter.
Sponsor: This work was funded by research grant from the MINECO Spain (CTM2013-43147-R).
ISSN: 0065-2911 (Print) | 2162-5468 (Online)
DOI: 10.1016/bs.ampbs.2016.02.001
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2016 Elsevier Ltd.
Peer Review: si
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Appears in Collections:INV - AppBiochem - Artículos de Revistas
INV - BIOTECEXTREM - Artículos de Revistas

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