2022
DOI: 10.1111/1462-2920.16200
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Geoalkalibacter halelectricus SAP‐1 sp. nov. possessing extracellular electron transfer and mineral‐reducing capabilities from a haloalkaline environment

Abstract: The extracellular electron transfer (EET)-capable electroactive microorganisms (EAMs) play crucial roles in mineral cycling and interspecies electron transfer in different environments and are used as biocatalysts in microbial electrochemical technologies. Studying EAMs from extreme environments is desired to advance the electromicrobiology discipline, understanding their unique metabolic traits with implications to extreme microbiology, and develop specific bioelectrochemical applications. Here, we present a … Show more

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Cited by 13 publications
(4 citation statements)
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“…All experiments, including media preparation and incubations, were conducted under aseptic and anoxic conditions and at a controlled temperature of 30C, if not stated otherwise. A modified M9 medium with pH 9.5 and salinity 20 gNaCl/L and containing (per L of distilled water) 4.33 g Na 2 HPO 4 , 2.69 g NaH 2 PO 4 , 20 g NaCl, 4.3 g Na 2 CO 3 , 0.13 g KCl, 0.31 g NH 4 Cl, 12.5 ml vitamins, 12.5 ml trace elements, and suitable electron donor or acceptor according to the tested experimental conditions, was used for culturing and maintaining G. halelectricus (Yadav and Patil, 2020;Yadav et al, 2022). All chemicals and reagents were of analytical or molecular grade and obtained from Merck and Sigma-Aldrich.…”
Section: Microbial Culture and Growth Conditionsmentioning
confidence: 99%
See 1 more Smart Citation
“…All experiments, including media preparation and incubations, were conducted under aseptic and anoxic conditions and at a controlled temperature of 30C, if not stated otherwise. A modified M9 medium with pH 9.5 and salinity 20 gNaCl/L and containing (per L of distilled water) 4.33 g Na 2 HPO 4 , 2.69 g NaH 2 PO 4 , 20 g NaCl, 4.3 g Na 2 CO 3 , 0.13 g KCl, 0.31 g NH 4 Cl, 12.5 ml vitamins, 12.5 ml trace elements, and suitable electron donor or acceptor according to the tested experimental conditions, was used for culturing and maintaining G. halelectricus (Yadav and Patil, 2020;Yadav et al, 2022). All chemicals and reagents were of analytical or molecular grade and obtained from Merck and Sigma-Aldrich.…”
Section: Microbial Culture and Growth Conditionsmentioning
confidence: 99%
“…To this end, the present work pertains to studying iron cycling by a recently reported haloalkaliphilic Geoalkalibacter halelectricus SAP-1 via bi-directional EET under highly saline-alkaline (pH 9.5 and salinity 20 g/L) conditions. It is an anaerobic, non-spore-forming, rod-shaped, Gramnegative, and heterotrophic EET-capable bacterium isolated from the electroactive biofilm enriched from haloalkaline lake sediments (Yadav et al, 2022). The bi-directional EET capabilities were checked with Fe 3+ -oxide and Fe 0 as the sole insoluble electron acceptor and donor under strictly anoxic conditions in biochemical experiments.…”
Section: Introductionmentioning
confidence: 99%
“…An example of a microbe screened under harsh conditions is an uncultured electroactive microorganism (EAM) that possesses an extracellular electron transfer process for biosensing and bioelectronics applications and the valorization of liquid and gaseous wastes. It can be screened from extreme environments with high salinity, alkalinity, pressure, and temperature [ 59 ]. Compared with EAM screened from mild environments, extremophilic EAM can be used in broader microbial electrochemical technologies.…”
Section: Fundamental Elements In the Fermentation Process Developmentmentioning
confidence: 99%
“…(28)(29)(30), Desulfuromonas acetoxidans (31)(32)(33) and Geoalkalibacter spp. (34,35). In this study, we focused on the 'cytochromome' of the Desulfuromadia class and obtained a comprehensive overview of the diversity of MHC in these organisms and conservation patterns of their number of heme-binding motifs.…”
Section: Introductionmentioning
confidence: 99%