[HTML][HTML] Exploring oxidative stress pathways in Geobacter sulfurreducens: the redox network between MacA peroxidase and triheme periplasmic cytochromes

PC Portela, L Morgado, MA Silva, L Denkhaus… - Frontiers in …, 2023 - frontiersin.org
The recent reclassification of the strict anaerobe Geobacter sulfurreducens bacterium as
aerotolerant brought attention for oxidative stress protection pathways. Although the electron …

[HTML][HTML] Biomolecular Interaction Studies Between Cytochrome PpcA From Geobacter sulfurreducens and the Electron Acceptor Ferric Nitrilotriacetate (Fe-NTA)

MR Ferreira, CA Salgueiro - Frontiers in Microbiology, 2018 - frontiersin.org
Geobacter sulfurreducens bacterium exhibits an enormous respiratory versatility, including
the utilization of several toxic and radioactive metals as electron acceptors. This versatility is …

[HTML][HTML] A unique aromatic residue modulates the redox range of a periplasmic multiheme cytochrome from Geobacter metallireducens

PC Portela, MA Silva, LR Teixeira… - Journal of Biological …, 2021 - ASBMB
Geobacter bacteria are able to transfer electrons to the exterior of the cell and reduce
extracellular electron acceptors including toxic/radioactive metals and electrode surfaces …

Periplasmic electron transfer network in Geobacter sulfurreducens revealed by biomolecular interaction studies

MR Ferreira, L Morgado, CA Salgueiro - Protein Science, 2024 - Wiley Online Library
Multiheme cytochromes located in different compartments are crucial for extracellular
electron transfer in the bacterium Geobacter sulfurreducens to drive important environmental …

MacA is a Second Cytochrome c Peroxidase of Geobacter sulfurreducens

J Seidel, M Hoffmann, KE Ellis, A Seidel, T Spatzal… - Biochemistry, 2012 - ACS Publications
The metal-reducing δ-proteobacterium Geobacter sulfurreducens produces a large number
of c-type cytochromes, many of which have been implicated in the transfer of electrons to …

Biochemical and functional insights on the triheme cytochrome PpcA from Geobacter metallireducens

PC Portela, TM Fernandes, JM Dantas… - Archives of biochemistry …, 2018 - Elsevier
G. metallireducens bacterium has highly versatile respiratory pathways that provide the
microorganism an enormous potential for many biotechnological applications. However …

The triheme cytochrome PpcF from Geobacter metallireducens exhibits distinct redox properties

MR Ferreira, JM Dantas, CA Salgueiro - FEBS Open bio, 2018 - Wiley Online Library
Electrogenic bacteria, such as Geobacter, can couple the oxidation of carbon sources to the
reduction of extracellular electron acceptors; such acceptors include toxic and radioactive …

Characterization of a Novel Cytochrome Involved in Geobacter sulfurreducens' Electron Harvesting Pathways

LR Teixeira, TM Fernandes, MA Silva… - … A European Journal, 2022 - Wiley Online Library
Electron harvesting bacteria are key targets to develop microbial electrosynthesis
technologies, which are valid alternatives for the production of value‐added compounds …

Interaction studies between periplasmic cytochromes provide insights into extracellular electron transfer pathways of Geobacter sulfurreducens

AP Fernandes, TC Nunes, CM Paquete… - Biochemical …, 2017 - portlandpress.com
Geobacter bacteria usually prevail among other microorganisms in soils and sediments
where Fe (III) reduction has a central role. This reduction is achieved by extracellular …

Molecular interactions between Geobacter sulfurreducens triheme cytochromes and the electron acceptor Fe (III) citrate studied by NMR

MR Ferreira, JM Dantas, CA Salgueiro - Dalton Transactions, 2017 - pubs.rsc.org
Proteomic and genetic studies have identified a family of five triheme cytochromes (PpcA–E)
that are essential in the iron respiratory pathways of Geobacter sulfurreducens. These …