Electron uptake by iron-oxidizing phototrophic bacteria
A Bose, EJ Gardel, C Vidoudez, EA Parra… - Nature …, 2014 - nature.com
Oxidation–reduction reactions underlie energy generation in nearly all life forms. Although
most organisms use soluble oxidants and reductants, some microbes can access solid …
most organisms use soluble oxidants and reductants, some microbes can access solid …
Photoferrotrophs produce a PioAB electron conduit for extracellular electron uptake
Photoferrotrophy is a form of anoxygenic photosynthesis whereby bacteria utilize soluble or
insoluble forms of ferrous iron as an electron donor to fix carbon dioxide using light energy …
insoluble forms of ferrous iron as an electron donor to fix carbon dioxide using light energy …
Bioenergetic challenges of microbial iron metabolisms
Before cyanobacteria invented oxygenic photosynthesis and O 2 and H 2 O began to cycle
between respiration and photosynthesis, redox cycles between other elements were used to …
between respiration and photosynthesis, redox cycles between other elements were used to …
Nonredundant Roles for Cytochrome c2 and Two High-Potential Iron-Sulfur Proteins in the Photoferrotroph Rhodopseudomonas palustris TIE-1
LJ Bird, IH Saraiva, S Park, EO Calçada… - Journal of …, 2014 - Am Soc Microbiol
The purple bacterium Rhodopseudomonas palustris TIE-1 expresses multiple small high-
potential redox proteins during photoautotrophic growth, including two high-potential iron …
potential redox proteins during photoautotrophic growth, including two high-potential iron …
Syntrophic interspecies electron transfer drives carbon fixation and growth by Rhodopseudomonas palustris under dark, anoxic conditions
In natural anoxic environments, anoxygenic photosynthetic bacteria fix CO2 by
photoheterotrophy, photoautotrophy, or syntrophic anaerobic photosynthesis. Here, we …
photoheterotrophy, photoautotrophy, or syntrophic anaerobic photosynthesis. Here, we …
The pio Operon Is Essential for Phototrophic Fe(II) Oxidation in Rhodopseudomonas palustris TIE-1
Phototrophic Fe (II)-oxidizing bacteria couple the oxidation of ferrous iron [Fe (II)] to reductive
CO2 fixation by using light energy, but until recently, little has been understood about the …
CO2 fixation by using light energy, but until recently, little has been understood about the …
Metatranscriptomics Supports the Mechanism for Biocathode Electroautotrophy by “Candidatus Tenderia electrophaga”
Biocathodes provide a stable electron source to drive reduction reactions in electrotrophic
microbial electrochemical systems. Electroautotrophic biocathode communities may be …
microbial electrochemical systems. Electroautotrophic biocathode communities may be …
Nature's conductors: what can microbial multi-heme cytochromes teach us about electron transport and biological energy conversion?
Microorganisms can acquire energy from the environment by extending their electron
transport chains to external solid electron donors or acceptors. This process, known as …
transport chains to external solid electron donors or acceptors. This process, known as …
Extracellular electron uptake by autotrophic microbes: physiological, ecological, and evolutionary implications
Microbes exchange electrons with their extracellular environment via direct or indirect
means. This exchange is bidirectional and supports essential microbial oxidation–reduction …
means. This exchange is bidirectional and supports essential microbial oxidation–reduction …
From chemolithoautotrophs to electrolithoautotrophs: CO2 fixation by Fe(II)-oxidizing bacteria coupled with direct uptake of electrons from solid electron sources
T Ishii, S Kawaichi, H Nakagawa, K Hashimoto… - Frontiers in …, 2015 - frontiersin.org
At deep-sea vent systems, hydrothermal emissions rich in reductive chemicals replace solar
energy as fuels to support microbial carbon assimilation. Until recently, all the microbial …
energy as fuels to support microbial carbon assimilation. Until recently, all the microbial …