Research Topics
Genomes and GenesSpecies | Gemma RegueraSummaryAffiliation: Michigan State University Country: USA Publications
Research Grants
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Detail Information
Publications
Extracellular electron transfer via microbial nanowiresGemma Reguera
Department of Microbiology, University of Massachusetts, Amherst, Massachusetts 01003, USA
Nature 435:1098-101. 2005..Electron transfer through pili indicates possibilities for other unique cell-surface and cell-cell interactions, and for bioengineering of novel conductive materials...
Electron transfer at the cell-uranium interface in Geobacter sppGemma Reguera
Department of Microbiology and Molecular Genetics, Michigan State University, Wilson Road, East Lansing, MI 48824, USA
Biochem Soc Trans 40:1227-32. 2012..Hence the results support a model in which the conductive pili function as the primary mechanism for the reduction of uranium and cellular protection in Geobacter spp...
When microbial conversations get physicalGemma Reguera
Department of Microbiology and Molecular Genetics, Michigan State University, 6190 Biomedical and Physical Science Building, East Lansing, MI 48824, USA
Trends Microbiol 19:105-13. 2011..I also make some suggestions for promising future research avenues that could provide novel and unsuspected insights into the physical nature of microbial signaling networks...- Biofilm and nanowire production leads to increased current in Geobacter sulfurreducens fuel cellsGemma Reguera
Department of Microbiology, University of Massachusetts, Amherst, Massachusetts 01003, USA
Appl Environ Microbiol 72:7345-8. 2006..These pili may represent an electronic network permeating the biofilm that can promote long-range electrical transfer in an energy-efficient manner, increasing electricity production more than 10-fold... - Possible nonconductive role of Geobacter sulfurreducens pilus nanowires in biofilm formationGemma Reguera
Department of Microbiology, University of Massachusetts, Amherst, MA 01003, USA
J Bacteriol 189:2125-7. 2007..Furthermore, pili were needed for cell aggregation in agglutination studies. These results suggest that the pili of G. sulfurreducens also have a structural role in biofilm formation... - Electron donors supporting growth and electroactivity of Geobacter sulfurreducens anode biofilmsAllison M Speers
Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
Appl Environ Microbiol 78:437-44. 2012.... - PilR, a transcriptional regulator for pilin and other genes required for Fe(III) reduction in Geobacter sulfurreducensKaty Juarez
Department of Microbiology, University of Massachusetts Amherst, Amherst, MA, USA
J Mol Microbiol Biotechnol 16:146-58. 2009..This is the first instance of an enhancer binding protein implicated in regulating genes involved in Fe(III) respiratory functions... - Consolidated bioprocessing of AFEX-pretreated corn stover to ethanol and hydrogen in a microbial electrolysis cellAllison M Speers
Department of Microbiology and Molecular Genetics, Michigan State University, 6190 Biomedical and Physical Science Building, 567 Wilson Road, East Lansing, Michigan 48824, USA
Environ Sci Technol 46:7875-81. 2012..73%. This and the potential to optimize the activities of the microbial catalysts via culturing approaches and genetic engineering or adaptive evolution, make this platform attractive for the processing of agricultural wastes... - A novel Geobacteraceae-specific outer membrane protein J (OmpJ) is essential for electron transport to Fe(III) and Mn(IV) oxides in Geobacter sulfurreducensEman Afkar
Department of Microbiology, University of Massachusetts, Amherst, Massachusetts 01003, USA
BMC Microbiol 5:41. 2005..Here we show that the most abundant outer membrane protein of G. sulfurreducens, OmpJ, is not a cytochrome yet it is required for metal respiration... - Evidence that OmcB and OmpB of Geobacter sulfurreducens are outer membrane surface proteinsXinlei Qian
Department of Microbiology, Morrill IV North, University of Massachusetts, Amherst, MA, USA
FEMS Microbiol Lett 277:21-7. 2007..sulfurreducens, the finding that OmcB is also surface exposed is the first report of a protein required for optimal Fe(III) citrate reduction at least partially accessible on the cell surface... - Electronic properties of conductive pili of the metal-reducing bacterium Geobacter sulfurreducens probed by scanning tunneling microscopyJoshua P Veazey
Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824 2320, USA
Phys Rev E Stat Nonlin Soft Matter Phys 84:060901. 2011..Our results thus indicate that the Geobacter pilus shaft has an intrinsic electronic structure that could play a role in charge transport... - Extracellular reduction of uranium via Geobacter conductive pili as a protective cellular mechanismDena L Cologgi
Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI 48824, USA
Proc Natl Acad Sci U S A 108:15248-52. 2011.... - Reversible control of biofilm formation by Cellulomonas spp. in response to nitrogen availabilityJenna M Young
Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI 48824, USA
Environ Microbiol 14:594-604. 2012..The results show that biofilm formation is a competitive strategy for carbon and nitrogen acquisition and provide valuable insights linking nitrogen inputs to carbon sequestration and remobilization in terrestrial environments... - Genome-wide analysis of the RpoN regulon in Geobacter sulfurreducensChing Leang
Department of Microbiology, University of Massachusetts, Amherst, MA 01003, USA
BMC Genomics 10:331. 2009.... - Anaerobic cell cultureAllison M Speers
Michigan State University, East Lansing, Michigan, USA
Curr Protoc Microbiol . 2009..The methodologies described in this unit should provide the interested but inexperienced investigator with the basic tools to successfully cultivate anaerobic microorganisms and study anaerobic processes... - Virulence and the environment: a novel role for Vibrio cholerae toxin-coregulated pili in biofilm formation on chitinGemma Reguera
Department of Microbiology and Molecular Genetics, Harvard Medical School, Boston, Massachusetts 02115, USA
J Bacteriol 187:3551-5. 2005..We also show that undifferentiated TCP- biofilms have reduced ecological fitness and, thus, that chitin colonization may represent an ecological setting outside the host in which selection for a host colonization factor may take place...
Research Grants
- Novel Mechanism of Uranium Reduction Via Microbial NanowiresGemma Reguera; Fiscal Year: 2010....
- Novel Mechanism of Uranium Reduction Via Microbial NanowiresGemma Reguera; Fiscal Year: 2011....