Research Topics
Genomes and GenesSpecies | M V CoppiSummaryAffiliation: University of Massachusetts Country: USA Publications
| Collaborators
|
Detail Information
Publications
Metabolic response of Geobacter sulfurreducens towards electron donor/acceptor variationTae Hoon Yang
Genomatica, Inc, 10520 Wateridge Circle, San Diego, CA 92121, USA
Microb Cell Fact 9:90. 2010..We examined the (13)C-labeling patterns of proteinogenic amino acids obtained from G. sulfurreducens cultured with (13)C-acetate...
Importance of c-Type cytochromes for U(VI) reduction by Geobacter sulfurreducensEvgenya S Shelobolina
Department of Microbiology, University of Massachusetts, Amherst, MA, USA
BMC Microbiol 7:16. 2007..In order to study the mechanism of U(VI) reduction, the effect of deleting c-type cytochrome genes on the capacity of Geobacter sulfurreducens to reduce U(VI) with acetate serving as the electron donor was investigated...
Isoform-specific effects of charged residues at borders of the M1-M2 loop of the Na,K-ATPase alpha subunitM V Coppi
Department of Microbiology, University of Massachusetts, Amherst 01003, USA
Biochemistry 38:2494-505. 1999..M1-M2 loop border residues may, therefore, influence ouabain sensitivity indirectly by altering the stability or structure of the intermediate of the Na,K-ATPase catalytic cycle which is competent to bind ouabain...
The hydrogenases of Geobacter sulfurreducens: a comparative genomic perspectiveMaddalena V Coppi
Department of Microbiology, 203N Morrill Science Center IVN, University of Massachusetts Amherst, Amherst, MA 01003, USA
Microbiology 151:1239-54. 2005..Phylogenetic analysis revealed that the G. sulfurreducens ehr cluster is part of a family of related clusters found in both the Archaea and Bacteria...
Identification of an uptake hydrogenase required for hydrogen-dependent reduction of Fe(III) and other electron acceptors by Geobacter sulfurreducensMaddalena V Coppi
Department of Microbiology, University of Massachusetts at Amherst, Amherst, Massachusetts 01003, USA
J Bacteriol 186:3022-8. 2004..Hya, in contrast, was not. These findings suggest that Hyb is an essential respiratory hydrogenase in G. sulfurreducens...
Outer membrane c-type cytochromes required for Fe(III) and Mn(IV) oxide reduction in Geobacter sulfurreducensT Mehta
Department of Microbiology, Morrill IV North, University of Massachusetts, Amherst, MA 01003, USA
Appl Environ Microbiol 71:8634-41. 2005....
Involvement of Geobacter sulfurreducens SfrAB in acetate metabolism rather than intracellular, respiration-linked Fe(III) citrate reductionMaddalena V Coppi
Department of Microbiology, 203N Morrill Science Center IVN, University of Massachusetts at Amherst, Amherst, MA 01003, USA
Microbiology 153:3572-85. 2007..These results indicate that cytoplasmic, respiration-linked reduction of Fe(III) by SfrAB in vivo is unlikely and suggest that deleting SfrAB may interfere with growth via acetate oxidation by interfering with NADP regeneration...
OmcF, a putative c-Type monoheme outer membrane cytochrome required for the expression of other outer membrane cytochromes in Geobacter sulfurreducensByoung Chan Kim
Department of Microbiology, 203 Morrill Science IVN, University of Massachusetts at Amherst, 639 North Pleasant St, Amherst, MA 01003, USA
J Bacteriol 187:4505-13. 2005..Thus, elimination of OmcF may impair Fe(III) reduction by influencing expression of OmcB, which has previously been demonstrated to play a critical role in Fe(III) reduction...
MacA, a diheme c-type cytochrome involved in Fe(III) reduction by Geobacter sulfurreducensJessica E Butler
Department of Microbiology, 203 Morrill Science Center IVN, University of Massachusetts Amherst, Amherst, MA 01003, USA
J Bacteriol 186:4042-5. 2004..However, the capacity for Fe(III) reduction was greatly diminished, indicating that MacA, which is predicted to be localized in the periplasm, is a key intermediate in electron transfer to Fe(III)...
Gene transcript analysis of assimilatory iron limitation in Geobacteraceae during groundwater bioremediationRegina A O'Neil
Department of Microbiology, 203 N Morrill Science Center IVN, University of Massachusetts at Amherst, Amherst, MA 01003, USA
Environ Microbiol 10:1218-30. 2008..These results demonstrate the ability of transcript analysis to reveal previously unsuspected aspects of the in situ physiology of microorganisms in subsurface environments...
Elucidation of an alternate isoleucine biosynthesis pathway in Geobacter sulfurreducensCarla Risso
Department of Microbiology, 203N Morrill Science Center IVN, University of Massachusetts Amherst, Amherst, MA 01003, USA
J Bacteriol 190:2266-74. 2008..The citramalate synthase of G. sulfurreducens constitutes the first characterized member of a phylogenetically distinct clade of citramalate synthases, which contains representatives from a wide variety of microorganisms...
Two putative c-type multiheme cytochromes required for the expression of OmcB, an outer membrane protein essential for optimal Fe(III) reduction in Geobacter sulfurreducensByoung Chan Kim
Department of Microbiology, 203 Morrill Science Center IVN, University of Massachusetts at Amherst, 639 North Pleasant Street, Amherst, MA 01003, USA
J Bacteriol 188:3138-42. 2006..Expression of either gene restored Fe(III) reduction and OmcB expression, suggesting functional similarity...
Development of a genetic system for Geobacter sulfurreducensM V Coppi
Department of Microbiology, University of Massachusetts at Amherst, Amherst, Massachusetts 01003, USA
Appl Environ Microbiol 67:3180-7. 2001..sulfurreducens to grow in medium lacking a source of fixed nitrogen. Expression of the nifD gene in trans complemented this phenotype. This paper constitutes the first report of genetic manipulation of a member of the Geobacter genus...
OmcB, a c-type polyheme cytochrome, involved in Fe(III) reduction in Geobacter sulfurreducensChing Leang
Department of Microbiology, University of Massachusetts, Amherst, Massachusetts 01003, USA
J Bacteriol 185:2096-103. 2003..These results indicate that OmcB, but not OmcC, has a major role in electron transport to Fe(III) and suggest that electron transport to the outer membrane is an important feature in Fe(III) reduction in this organism...
Geobacter sulfurreducens can grow with oxygen as a terminal electron acceptorW C Lin
Department of Microbiology, University of Massachusetts, Amherst, Massachusetts 01003, USA
Appl Environ Microbiol 70:2525-8. 2004..These results help explain how Geobacter species may survive in oxic subsurface environments, being poised to rapidly take advantage of the development of anoxic conditions...
Biochemical and genetic characterization of PpcA, a periplasmic c-type cytochrome in Geobacter sulfurreducensJon R Lloyd
Department of Microbiology, University of Massachusetts, Amherst, MA 01003, USA
Biochem J 369:153-61. 2003....
Characterizing regulation of metabolism in Geobacter sulfurreducens through genome-wide expression data and sequence analysisRadhakrishnan Mahadevan
Department of Chemical Engineering and Applied Chemistry, Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Canada
OMICS 12:33-59. 2008..sulfurreducens and simulated Fe(II)-limited growth. The resulting prediction was consistent with data, suggesting that regulatory constraints are important for simulating growth phenotypes in nonoptimal environments...
