Distribution of Denitrification among Haloarchaea: A Comprehensive Study

Please use this identifier to cite or link to this item: http://hdl.handle.net/10045/117146
Información del item - Informació de l'item - Item information
Title: Distribution of Denitrification among Haloarchaea: A Comprehensive Study
Authors: Miralles-Robledillo, José María | Bernabeu, Eric | Giani, Micaela | Martínez-Serna, Elena | Martínez-Espinosa, Rosa María | Pire, Carmen
Research Group/s: Bioquímica Aplicada/Applied Biochemistry (AppBiochem)
Center, Department or Service: Universidad de Alicante. Departamento de Agroquímica y Bioquímica | Universidad de Alicante. Instituto Multidisciplinar para el Estudio del Medio "Ramón Margalef"
Keywords: Haloarchaea | Halobacteriaceae | Haloferacaceae | Natrialbaceae | Halorubraceae | Denitrification | Respiratory nitrate reductase | Respiratory nitrite reductase | Nitric oxide reductase | Nitrous oxide reductase
Knowledge Area: Bioquímica y Biología Molecular
Issue Date: 4-Aug-2021
Publisher: MDPI
Citation: Miralles-Robledillo JM, Bernabeu E, Giani M, Martínez-Serna E, Martínez-Espinosa RM, Pire C. Distribution of Denitrification among Haloarchaea: A Comprehensive Study. Microorganisms. 2021; 9(8):1669. https://doi.org/10.3390/microorganisms9081669
Abstract: Microorganisms from the Halobacteria class, also known as haloarchaea, inhabit a wide range of ecosystems of which the main characteristic is the presence of high salt concentration. These environments together with their microbial communities are not well characterized, but some of the common features that they share are high sun radiation and low availability of oxygen. To overcome these stressful conditions, and more particularly to deal with oxygen limitation, some microorganisms drive alternative respiratory pathways such as denitrification. In this paper, denitrification in haloarchaea has been studied from a phylogenetic point of view. It has been demonstrated that the presence of denitrification enzymes is a quite common characteristic in Halobacteria class, being nitrite reductase and nitric oxide reductase the enzymes with higher co-occurrence, maybe due to their possible role not only in denitrification, but also in detoxification. Moreover, copper-nitrite reductase (NirK) is the only class of respiratory nitrite reductase detected in these microorganisms up to date. The distribution of this alternative respiratory pathway and their enzymes among the families of haloarchaea has also been discussed and related with the environment in which they constitute the major populations. Complete denitrification phenotype is more common in some families like Haloarculaceae and Haloferacaceae, whilst less common in families such as Natrialbaceae and Halorubraceae.
Sponsor: This work was funded by a research grant from MINECO Spain (RTI2018-099860-B-I00) and VIGROB-309 (University of Alicante).
URI: http://hdl.handle.net/10045/117146
ISSN: 2076-2607
DOI: 10.3390/microorganisms9081669
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Peer Review: si
Publisher version: https://doi.org/10.3390/microorganisms9081669
Appears in Collections:INV - AppBiochem - Artículos de Revistas

Files in This Item:
Files in This Item:
File Description SizeFormat 
ThumbnailMiralles-Robledillo_etal_2021_Microorganisms.pdf1,59 MBAdobe PDFOpen Preview


This item is licensed under a Creative Commons License Creative Commons