ArticleFrontiers in microbiology2016
Isolation and Genomic Characterization of 'Desulfuromonas soudanensis WTL', a Metal- and Electrode-Respiring Bacterium from Anoxic Deep Subsurface Brine.
Article in Frontiers in microbiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.
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29 citing papers in PubMed, 66 citations in OpenAlex.
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- A survey of the Desulfuromonadia "cytochromome" provides a glimpse of the unexplored diversity of multiheme cytochromes in nature.BMC genomics · 2024Article
- Novel Insights on Extracellular Electron Transfer Networks in theMicroorganisms · 2024Article
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- Single-Cell Phenotyping of Extracellular Electron Transfer via Microdroplet Encapsulation.bioRxiv : the preprint server for biology · 2024Article
- Detection and Characterization of Electrogenic Bacteria from Soils.Biotech (Basel (Switzerland)) · 2023Article
- Phylogenetic and ecophysiological novelty of subsurface mercury methylators in mangrove sediments.The ISME journal · 2023Article
- A Microbiological Approach to Alleviate Soil Replant Syndrome in Peaches.Microorganisms · 2023Article
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- Deep Subsurface Hypersaline Environment as a Source of Novel Species of Halophilic Sulfur-Oxidizing Bacteria.Microorganisms · 2022Article
- Draft Genome Sequences of the Ferric Iron-ReducingMicrobiology resource announcements · 2021Article
- Isolation and Polyphasic Characterization ofMicroorganisms · 2021Article
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- Comparative insights into genome signatures of ferric iron oxide- and anode-stimulated Desulfuromonas spp. strains.BMC genomics · 2021Article
- Helarchaeota and co-occurring sulfate-reducing bacteria in subseafloor sediments from the Costa Rica Margin.ISME communications · 2021Article
- Anode Surface Bioaugmentation Enhances Deterministic Biofilm Assembly in Microbial Fuel Cells.mBio · 2021Article
- Novel Microbial Groups Drive Productivity in an Archean Iron Formation.Frontiers in microbiology · 2021Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Reaching a depth of 713 m below the surface, the Soudan Underground Iron Mine (Soudan, MN, USA) transects a massive Archaean (2.7 Ga) banded iron formation, providing a remarkably accessible window into the terrestrial deep biosphere. Despite organic carbon limitation, metal-reducing microbial communities are present in potentially ancient anoxic brines continuously emanating from exploratory boreholes on Level 27. Using graphite electrodes deposited in situ as bait, we electrochemically enriched and isolated a novel halophilic iron-reducing Deltaproteobacterium, 'Desulfuromonas soudanensis' strain WTL, from an acetate-fed three-electrode bioreactor poised at +0.24 V (vs. standard hydrogen electrode). Cyclic voltammetry revealed that 'D. soudanensis' releases electrons at redox potentials approximately 100 mV more positive than the model freshwater surface isolate Geobacter sulfurreducens, suggesting that its extracellular respiration is tuned for higher potential electron acceptors. 'D. soudanensis' contains a 3,958,620-bp circular genome, assembled to completion using single-molecule real-time (SMRT) sequencing reads, which encodes a complete TCA cycle, 38 putative multiheme c-type cytochromes, one of which contains 69 heme-binding motifs, and a LuxI/LuxR quorum sensing cassette that produces an unidentified N-acyl homoserine lactone. Another cytochrome is predicted to lie within a putative prophage, suggesting that horizontal gene transfer plays a role in respiratory flexibility among metal reducers. Isolation of 'D. soudanensis' underscores the utility of electrode-based approaches for enriching rare metal reducers from a wide range of habitats.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.