M V Coppi

Summary

Affiliation: University of Massachusetts
Country: USA

Publications

  1. pmc Metabolic response of Geobacter sulfurreducens towards electron donor/acceptor variation
    Tae Hoon Yang
    Genomatica, Inc, 10520 Wateridge Circle, San Diego, CA 92121, USA
    Microb Cell Fact 9:90. 2010
  2. pmc Importance of c-Type cytochromes for U(VI) reduction by Geobacter sulfurreducens
    Evgenya S Shelobolina
    Department of Microbiology, University of Massachusetts, Amherst, MA, USA
    BMC Microbiol 7:16. 2007
  3. ncbi request reprint Isoform-specific effects of charged residues at borders of the M1-M2 loop of the Na,K-ATPase alpha subunit
    M V Coppi
    Department of Microbiology, University of Massachusetts, Amherst 01003, USA
    Biochemistry 38:2494-505. 1999
  4. ncbi request reprint The hydrogenases of Geobacter sulfurreducens: a comparative genomic perspective
    Maddalena V Coppi
    Department of Microbiology, 203N Morrill Science Center IVN, University of Massachusetts Amherst, Amherst, MA 01003, USA
    Microbiology 151:1239-54. 2005
  5. pmc Identification of an uptake hydrogenase required for hydrogen-dependent reduction of Fe(III) and other electron acceptors by Geobacter sulfurreducens
    Maddalena V Coppi
    Department of Microbiology, University of Massachusetts at Amherst, Amherst, Massachusetts 01003, USA
    J Bacteriol 186:3022-8. 2004
  6. pmc Outer membrane c-type cytochromes required for Fe(III) and Mn(IV) oxide reduction in Geobacter sulfurreducens
    T Mehta
    Department of Microbiology, Morrill IV North, University of Massachusetts, Amherst, MA 01003, USA
    Appl Environ Microbiol 71:8634-41. 2005
  7. doi request reprint Proteins involved in electron transfer to Fe(III) and Mn(IV) oxides by Geobacter sulfurreducens and Geobacter uraniireducens
    M Aklujkar
    Department of Microbiology, University of Massachusetts Amherst, Amherst, MA 01003, USA
    Microbiology 159:515-35. 2013
  8. ncbi request reprint Involvement of Geobacter sulfurreducens SfrAB in acetate metabolism rather than intracellular, respiration-linked Fe(III) citrate reduction
    Maddalena V Coppi
    Department of Microbiology, 203N Morrill Science Center IVN, University of Massachusetts at Amherst, Amherst, MA 01003, USA
    Microbiology 153:3572-85. 2007
  9. pmc OmcF, a putative c-Type monoheme outer membrane cytochrome required for the expression of other outer membrane cytochromes in Geobacter sulfurreducens
    Byoung 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
  10. doi request reprint Gene transcript analysis of assimilatory iron limitation in Geobacteraceae during groundwater bioremediation
    Regina 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

Collaborators

Detail Information

Publications18

  1. pmc Metabolic response of Geobacter sulfurreducens towards electron donor/acceptor variation
    Tae 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...
  2. pmc Importance of c-Type cytochromes for U(VI) reduction by Geobacter sulfurreducens
    Evgenya 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...
  3. ncbi request reprint Isoform-specific effects of charged residues at borders of the M1-M2 loop of the Na,K-ATPase alpha subunit
    M 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...
  4. ncbi request reprint The hydrogenases of Geobacter sulfurreducens: a comparative genomic perspective
    Maddalena 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...
  5. pmc Identification of an uptake hydrogenase required for hydrogen-dependent reduction of Fe(III) and other electron acceptors by Geobacter sulfurreducens
    Maddalena 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...
  6. pmc Outer membrane c-type cytochromes required for Fe(III) and Mn(IV) oxide reduction in Geobacter sulfurreducens
    T Mehta
    Department of Microbiology, Morrill IV North, University of Massachusetts, Amherst, MA 01003, USA
    Appl Environ Microbiol 71:8634-41. 2005
    ....
  7. doi request reprint Proteins involved in electron transfer to Fe(III) and Mn(IV) oxides by Geobacter sulfurreducens and Geobacter uraniireducens
    M Aklujkar
    Department of Microbiology, University of Massachusetts Amherst, Amherst, MA 01003, USA
    Microbiology 159:515-35. 2013
    ..sulfurreducens...
  8. ncbi request reprint Involvement of Geobacter sulfurreducens SfrAB in acetate metabolism rather than intracellular, respiration-linked Fe(III) citrate reduction
    Maddalena 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...
  9. pmc OmcF, a putative c-Type monoheme outer membrane cytochrome required for the expression of other outer membrane cytochromes in Geobacter sulfurreducens
    Byoung 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...
  10. doi request reprint Gene transcript analysis of assimilatory iron limitation in Geobacteraceae during groundwater bioremediation
    Regina 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...
  11. pmc Elucidation of an alternate isoleucine biosynthesis pathway in Geobacter sulfurreducens
    Carla 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...
  12. pmc Two putative c-type multiheme cytochromes required for the expression of OmcB, an outer membrane protein essential for optimal Fe(III) reduction in Geobacter sulfurreducens
    Byoung 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...
  13. pmc MacA, a diheme c-type cytochrome involved in Fe(III) reduction by Geobacter sulfurreducens
    Jessica 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)...
  14. pmc OmcB, a c-type polyheme cytochrome, involved in Fe(III) reduction in Geobacter sulfurreducens
    Ching 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...
  15. pmc Development of a genetic system for Geobacter sulfurreducens
    M 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...
  16. pmc Geobacter sulfurreducens can grow with oxygen as a terminal electron acceptor
    W 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...
  17. pmc Biochemical and genetic characterization of PpcA, a periplasmic c-type cytochrome in Geobacter sulfurreducens
    Jon R Lloyd
    Department of Microbiology, University of Massachusetts, Amherst, MA 01003, USA
    Biochem J 369:153-61. 2003
    ....
  18. doi request reprint Characterizing regulation of metabolism in Geobacter sulfurreducens through genome-wide expression data and sequence analysis
    Radhakrishnan 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...