Superfund Research Program

Novel Mechanism of Uranium Reduction Via Microbial Nanowires

Project Leader: Gemma Reguera
Grant Number: R01ES017052
Funding Period: 2009-2011

Program Links

Publications

2023

• Awate BP, Worden RM, Reguera G. 2023. Electrochemical characterization of the periplasmic PpcA c-cytochrome of geobacter sulfurreducens reveals its affinity for uranium. ChemElectoChem 10(9):e202200916. doi:10.1002/celc.202200916

2019

• Cosert KM, Castro-Forero A, Steidl RJ, Worden RM, Reguera G. 2019. Bottom-up fabrication of protein nanowires via controlled self-assembly of recombinant geobacter pilins. MBio 10:doi:10.1128/mBio.02721-19 PMID:31822587 PMCID:PMC6904877

2017

• Cosert KM, Steidl RJ, Castro-Forero A, Worden RM, Reguera G. 2017. Electronic characterization of Geobacter sulfurreducens pilins in self-assembled monolayers unmasks tunnelling and hopping conduction pathways. Phys Chem Chem Phys 19(18):11163-11172. doi:10.1039/c7cp00885f PMID:28402361

2016

• Speers AM, Schindler BD, Hwang J, Genc A, Reguera G. 2016. Genetic identification of a PilT motor in Geobacter sulfurreducens reveals a role for pilus retraction in extracellular electron transfer. Front Microbiol 7:1578. doi:10.3389/fmicb.2016.01578 PMID:27799920 PMCID:PMC5065972

2014

• Cologgi DL, Speers AM, Bullard BA, Kelly SD, Reguera G. 2014. Enhanced uranium immobilization and reduction by Geobacter sulfurreducens biofilms. Appl Environ Microbiol 80(21):6638-6646. doi:10.1128/AEM.02289-14 PMID:25128347 PMCID:PMC4249037

2012

• Reguera G. 2012. Electron transfer at the cell-uranium interface in Geobacter spp. Biochem Soc Trans 40:1227-1232. doi:10.1042/BST20120162 PMID:23176459

2011

• Borole AP, Reguera G, Ringeisen B, Wang Z, Feng Y, Kim B. 2011. Electroactive biofilms: current status and future research needs. Energy & Environmental Science 4:4813-4834. doi:10.1039/C1EE02511B
• Cologgi DL, Lampa-Pastirk S, Speers AM, Kelly SD, Reguera G. 2011. Extracellular reduction of uranium via Geobacter conductive pili as a protective cellular mechanism. Proc Natl Acad Sci U S A 108:15248-15252. doi:10.1073/pnas.1108616108 PMID:21896750 PMCID:PMC3174638
• Veazay JP, Reguera G, Tessmer SH. 2011. Electronic properties of conductive pili of the metal-reducing bacterium Geobacter sulfurreducens probed by scanning tunneling microscopy. Physical Review E 84:060901. doi:10.1103/PhysRevE.84.060901 PMID:22304032