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Anaerobic microorganisms using a metal as terminal electron acceptor to respirate
Dissimilatory metal-reducing microorganisms are a group of microorganisms (both bacteria and archaea) that can perform anaerobic respiration utilizing
Dissimilatory metal-reducing microorganisms
Dissimilatory_metal-reducing_microorganisms
iron (Fe(III)). It is one of the most widely distributed metals on Earth. Although dissimilatory iron reduction is an anaerobic process in which Fe(III)
Dissimilatory iron reducing bacteria
Dissimilatory_iron_reducing_bacteria
Respiration using electron acceptors other than oxygen
capacity to precipitate heavy metal ions from solution, leading to the deposition of sulfidic metal ores. Dissimilatory denitrification is widely used
Anaerobic_respiration
Microorganisms that "breathe" sulfates
Sulfate-reducing microorganisms (SRM) or sulfate-reducing prokaryotes (SRP) are a group composed of sulfate-reducing bacteria (SRB) and sulfate-reducing archaea
Sulfate-reducing microorganism
Sulfate-reducing_microorganism
Form of anaerobic respiration where sulfate is the terminal electron acceptor
bacteria and archaea which are often termed sulfate-reducing organisms. The term "dissimilatory" is used when hydrogen sulfide (H2S) is produced in an
Dissimilatory sulfate reduction
Dissimilatory_sulfate_reduction
Organisms capable of living in extreme environments
life portal Earliest known life forms Dissimilatory metal-reducing microorganisms Extremotroph List of microorganisms tested in outer space Mesophile, an
Extremophile
Bacteria requiring free iron
non-bacterial microorganisms such as Rhizopus arrhizus and Mucor may also be siderophilic. Iron-oxidizing bacteria Dissimilatory metal-reducing bacteria Ganz
Siderophilic_bacteria
Microorganisms able to reduce elemental sulfur to hydrogen sulfide
Sulfur-reducing bacteria are microorganisms able to reduce elemental sulfur (S0) to hydrogen sulfide (H2S). These microbes use inorganic sulfur compounds
Sulfur-reducing_bacteria
Set of chemical reactions involving sulfur in living organisms
sulfate-reducing bacteria is dissimilatory; the purpose of reducing the sulfate is to produce energy, and the sulfide is excreted. Dissimilatory sulfate
Sulfur_metabolism
Poisonous and flammable gas
commonly known as anaerobic digestion, carried out by sulfate-reducing microorganisms. It also occurs in volcanic gases, natural gas deposits, and sometimes
Hydrogen_sulfide
Polyatomic cation
Some microorganisms can use nitrate as an electron acceptor in anaerobic respiration, forming nitrite. Among these, some can perform dissimilatory nitrate
Ammonium
Organism using inorganic substrate to obtain reducing equivalents for use in biosynthesis
Endolith Heterotroph Microbial metabolism Organotroph Dissimilatory metal-reducing microorganisms Zetaproteobacteria Zwolinski, Michele. "Lithotrophs"
Lithotroph
Species of bacterium
sulfurreducens sp. nov., a hydrogen- and acetate-oxidizing dissimilatory metal-reducing microorganism". Applied and Environmental Microbiology. 60 (10): 3752–9
Geobacter_sulfurreducens
Biochemical pathways used by microbes to satisfy energy needs
obtains reducing equivalents (hydrogen atoms or electrons) used either in energy conservation or in biosynthetic reactions: lithotrophic – reducing equivalents
Microbial_metabolism
Phylum of Gram-negative bacteria
"Deferrisoma camini gen. nov., sp. nov., a moderately thermophilic, dissimilatory iron(III)-reducing bacterium from a deep-sea hydrothermal vent that forms a distinct
Thermodesulfobacteriota
Layered iron-rich sedimentary rock
either by reduced sulfur flux into the deep ocean or a lack of dissimilatory sulfate reduction (DSR), the process by which microorganisms use sulfate
Banded_iron_formation
Reduction of nitrate as a form of anaerobic respiration
organisms. Direct reduction from nitrate to ammonium, a process known as dissimilatory nitrate reduction to ammonium or DNRA, is also possible for organisms
Denitrification
Study of microorganisms in soil
led to more advanced microorganisms, which were important because they effected soil structure and fertility. Soil microorganisms can be classified as
Soil_microbiology
Biogeochemical cycle by which nitrogen is converted into various chemical forms
nitrogen from one place to another, and red is for the bacteria involved. Dissimilatory nitrate reduction to ammonium (DNRA), or nitrate/nitrite ammonification
Nitrogen_cycle
Species of bacterium
(2006). "Novel Reduction of Mercury(II) by Mercury-Sensitive Dissimilatory Metal Reducing Bacteria". Environmental Science & Technology. 40 (20): 6690–6695
Geobacter_metallireducens
Biogeochemical cycle of sulfur
Sulfide intrusion Sulfate-reducing microorganisms Redox Sulfur Madigan MT, Martino JM (2006). Brock Biology of Microorganisms (11th ed.). Pearson. p. 136
Sulfur_cycle
Bio-geochemical process
microorganisms that can induce the carbonate precipitation are photosynthetic microorganisms such as cyanobacteria and microalgae; sulfate-reducing bacteria;
Microbiologically induced calcite precipitation
Microbiologically_induced_calcite_precipitation
Genus of anaerobic bacteria found in soil
Phillips EJP (1987). "Anaerobic Production of Magnetite by a Dissimilatory Iron-Reducing Microorganism" (PDF). Nature. 350 (6145): 252–254. Bibcode:1987Natur
Geobacter
Organism that consists of only one cell
Sulfide: A Toxic Gas Produced by Dissimilatory Sulfate and Sulfur Reduction and Consumed by Microbial Oxidation". The Metal-Driven Biogeochemistry of Gaseous
Unicellular_organism
Bacteria deriving energy from dissolved iron
be used to remove bacteria, odor and restore water clarity. Dissimilatory metal-reducing bacteria Iron cycle Siderophilic bacteria Andrews, Simon; Norton
Iron-oxidizing_bacteria
Biodecontamination of sites affected by radioactivity
indirect enzymatic reduction is carried out by sulfate-reducing and dissimilatory metal-reducing bacteria on excretion reactions of metabolites and breakdown
Bioremediation of radioactive waste
Bioremediation_of_radioactive_waste
Means by which some organisms create energy
Microbial metabolism Sulfur metabolism Sulfate-reducing microorganisms Dissimilatory sulfate reduction Dissimilatory nitrate reduction Fry B, Ruf W, Gest H,
Microbial_oxidation_of_sulfur
Iron ore mineral
Phillips, Elizabeth. "Anaerobic production of magnetite by a dissimilatory iron-reducing microorganism" (PDF). geobacter.org. US Geological Survey, Reston, Virginia
Magnetite
Species of bacterium
Shu-mei (October 1998). "Biogenic iron mineralization accompanying the dissimilatory reduction of hydrous ferric oxide by a groundwater bacterium". Geochimica
Shewanella_putrefaciens
Species of archaeon
are seen when grown mixotropically on casamino acids and metal sulfides. The dissimilatory oxidation of iron and sulfur in M. sedula, driven by its membrane
Metallosphaera_sedula
Anaerobic ammonium oxidation, a microbial process of the nitrogen cycle
Jetten, Mike S.M.; Keltjens, Jan T. (2015). "Chapter 7 Metal Enzymes in "Impossible" Microorganisms Catalyzing the Anaerobic Oxidation of Ammonium and Methane"
Anammox
pipes and implicated in the heavy-metal-containing, sulfurous waters of rivers such as the Rheidol. Such microorganisms are responsible for the phenomenon
Acidophiles in acid mine drainage
Acidophiles_in_acid_mine_drainage
Undersea unicellular organisms
and dissimilatory nitrate reduction to ammonium. For example, sulfur oxidizing bacteria like Begiatoa species perform denitrification and reduce nitrate
Hydrothermal vent microbial communities
Hydrothermal_vent_microbial_communities
Electrically conductive appendages produced by a number of bacteria
biological systems they are a part of. Microorganisms have shown to use nanowires to facilitate the use of extracellular metals as terminal electron acceptors
Bacterial_nanowires
Accumulation of brine in a seafloor depression
genetic analysis required having the microorganisms in culture, which is problematic since most microorganisms in nature have not been cultivated. Metagenomics
Brine_pool
Richter, Katrin; Schicklberger, Marcus; Gescher, Johannes (2012). "Dissimilatory Reduction of Extracellular Electron Acceptors in Anaerobic Respiration"
Exoelectrogen
stream of airborne microorganisms circles the planet above weather systems but below commercial air lanes. Some peripatetic microorganisms are swept up from
Marine_biogeochemical_cycles
electron transfer to occur. In contrast to organisms such as dissimilatory metal reducing bacteria, algae and cyanobacteria are poorly adapted for extracellular
Biological_photovoltaics
Productive wetlands that occur in coastal intertidal zones
sediments, thus becoming important regulators of climate change. Marine microorganisms are key parts of these mangrove ecosystems. However, much remains to
Mangrove_forest
Ion, and compounds containing the ion
Mo-based catalysts operate via metal-oxo intermediates. Over 40 phylogenetically and metabolically diverse microorganisms capable of growth using perchlorate
Perchlorate
Species of bacterium
metabolic pathways. These enzymes include dsrAB (dissimilatory sulfite reductase) and aprBA (dissimilatory adenosine-5'-phosphosulfate reductase). Using
Desulfovibrio_alcoholivorans
is a sulfate-reducing bacteria, it plays a role in various ecosystems as they promote the sulfur cycle, specifically in the dissimilatory sulfate reduction
Desulfovibrio_arcticus
inhibiting growth. The reduction of these sulfur compounds proceeds through dissimilatory sulfate reduction, yielding hydrogen sulfide as the terminal end product
Archaeoglobus_profundus
Bacterial component of the plankton that drifts in the water column
PMID 21329204. Reimann J, Jetten MS, Keltjens JT (2015). "Metal Enzymes in "Impossible" Microorganisms Catalyzing the Anaerobic Oxidation of Ammonium and Methane"
Bacterioplankton
PMID 11677609. Heidelberg JF, et al. (2002). "Genome sequence of the dissimilatory metal ion-reducing bacterium Shewanella oneidensis". Nat Biotechnol. 20 (11):
List of sequenced bacterial genomes
List_of_sequenced_bacterial_genomes
Class of bacteria
Moreau, J. W.; Zierenberg, R. A.; Banfield, J. F. (2010). "Diversity of Dissimilatory Sulfite Reductase Genes (dsrAB) in a Salt Marsh Impacted by Long-Term
Zetaproteobacteria
uptaken by microorganisms and incorporated into complex biomolecules in order to synthesize various cellular components. In contrast, a dissimilatory process
Glossary of cellular and molecular biology (0–L)
Glossary_of_cellular_and_molecular_biology_(0–L)
Sulfate associated with biogenic and abiotic carbonate minerals
an instance of ocean anoxia or an increase in dissimilatory sulfate reduction by marine microorganisms. But it could also mean that the CAS measured at
Carbonate-associated_sulfate
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