Cinthia Núñez

Summary

Country: Mexico

Publications

  1. doi request reprint Alginate synthesis in Azotobacter vinelandii is increased by reducing the intracellular production of ubiquinone
    Cinthia Núñez
    Departamento de Microbiologia Molecular, Instituto de Biotecnologia, Universidad Nacional Autonoma de Mexico, Av Universidad 2001, Col Chamilpa, Cuernavaca, Morelos 62210, Mexico
    Appl Microbiol Biotechnol 97:2503-12. 2013
  2. doi request reprint The Na+-translocating NADH : ubiquinone oxidoreductase of Azotobacter vinelandii negatively regulates alginate synthesis
    Cinthia Núñez
    Departamento de Microbiologia Molecular, Instituto de Biotecnologia, Universidad Nacional Autonoma de Mexico, Av Universidad 2001, Col Chamilpa, Cuernavaca, Morelos 62210, Mexico
    Microbiology 155:249-56. 2009
  3. pmc DNA microarray and proteomic analyses of the RpoS regulon in Geobacter sulfurreducens
    Cinthia Núñez
    Departamento de Microbiologia Molecular, Instituto de Biotecnologia, Universidad Nacional Autonoma de Mexico, Av Universidad 2001, Col Chamilpa Cuernavaca, Morelos 62210, Mexico
    J Bacteriol 188:2792-800. 2006
  4. pmc The RpoS sigma factor in the dissimilatory Fe(III)-reducing bacterium Geobacter sulfurreducens
    Cinthia Núñez
    Department of Microbiology, University of Massachusetts, Amherst, Massachusetts 01003, USA
    J Bacteriol 186:5543-6. 2004
  5. ncbi request reprint Characterization of the Azotobacter vinelandii algC gene involved in alginate and lipopolysaccharide production
    Gerardo Gaona
    Departamento de Microbiologia Molecular, Instituto de Biotecnologia, Universidad Nacional Autonoma de Mexico, Cuernavaca, Morelos, Mexico
    FEMS Microbiol Lett 238:199-206. 2004
  6. pmc Genetic characterization of a single bifunctional enzyme for fumarate reduction and succinate oxidation in Geobacter sulfurreducens and engineering of fumarate reduction in Geobacter metallireducens
    Jessica E Butler
    Department of Microbiology, 203 Morrill Science Center IVN, University of Massachusetts Amherst, Amherst, MA 01003, USA
    J Bacteriol 188:450-5. 2006
  7. doi request reprint RsmA post-transcriptionally controls PhbR expression and polyhydroxybutyrate biosynthesis in Azotobacter vinelandii
    Alberto Hernandez-Eligio
    Departamento de Microbiologia Molecular, Instituto de Biotecnologia, Universidad Nacional Autonoma de Mexico, Avenida Universidad 2001, Col Chamilpa, CP 62210 Cuernavaca, Morelos, Mexico
    Microbiology 158:1953-63. 2012
  8. doi request reprint Azotobacter vinelandii lacking the Na(+)-NQR activity: a potential source for producing alginates with improved properties and at high yield
    Itzel Gaytán
    Departamento de Ingeniería Celular y Biocatálisis, Instituto de Biotecnologia, Universidad Nacional Autonoma de Mexico, Apdo Post 510 3, 62250, Cuernavaca, Morelos, Mexico
    World J Microbiol Biotechnol 28:2731-40. 2012
  9. 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
  10. pmc Genome-wide analysis of the RpoN regulon in Geobacter sulfurreducens
    Ching Leang
    Department of Microbiology, University of Massachusetts, Amherst, MA 01003, USA
    BMC Genomics 10:331. 2009

Collaborators

Detail Information

Publications12

  1. doi request reprint Alginate synthesis in Azotobacter vinelandii is increased by reducing the intracellular production of ubiquinone
    Cinthia Núñez
    Departamento de Microbiologia Molecular, Instituto de Biotecnologia, Universidad Nacional Autonoma de Mexico, Av Universidad 2001, Col Chamilpa, Cuernavaca, Morelos 62210, Mexico
    Appl Microbiol Biotechnol 97:2503-12. 2013
    ..Collectively, our data show that a decreased content in Q8 results in higher levels of alginate in A. vinelandii...
  2. doi request reprint The Na+-translocating NADH : ubiquinone oxidoreductase of Azotobacter vinelandii negatively regulates alginate synthesis
    Cinthia Núñez
    Departamento de Microbiologia Molecular, Instituto de Biotecnologia, Universidad Nacional Autonoma de Mexico, Av Universidad 2001, Col Chamilpa, Cuernavaca, Morelos 62210, Mexico
    Microbiology 155:249-56. 2009
    ..Collectively our results indicate that in A. vinelandii the lack of Na+-NQR activity caused the absence of a transmembrane Na+ gradient and an increase in alginate production...
  3. pmc DNA microarray and proteomic analyses of the RpoS regulon in Geobacter sulfurreducens
    Cinthia Núñez
    Departamento de Microbiologia Molecular, Instituto de Biotecnologia, Universidad Nacional Autonoma de Mexico, Av Universidad 2001, Col Chamilpa Cuernavaca, Morelos 62210, Mexico
    J Bacteriol 188:2792-800. 2006
    ..Collectively, these results indicate that RpoS exerts global effects on G. sulfurreducens physiology and that RpoS is vital to G. sulfurreducens survival under conditions typically encountered in its native subsurface environments...
  4. pmc The RpoS sigma factor in the dissimilatory Fe(III)-reducing bacterium Geobacter sulfurreducens
    Cinthia Núñez
    Department of Microbiology, University of Massachusetts, Amherst, Massachusetts 01003, USA
    J Bacteriol 186:5543-6. 2004
    ..This study suggests that RpoS plays a role in regulating metabolism of Geobacter under suboptimal conditions in subsurface environments...
  5. ncbi request reprint Characterization of the Azotobacter vinelandii algC gene involved in alginate and lipopolysaccharide production
    Gerardo Gaona
    Departamento de Microbiologia Molecular, Instituto de Biotecnologia, Universidad Nacional Autonoma de Mexico, Cuernavaca, Morelos, Mexico
    FEMS Microbiol Lett 238:199-206. 2004
    ....
  6. pmc Genetic characterization of a single bifunctional enzyme for fumarate reduction and succinate oxidation in Geobacter sulfurreducens and engineering of fumarate reduction in Geobacter metallireducens
    Jessica E Butler
    Department of Microbiology, 203 Morrill Science Center IVN, University of Massachusetts Amherst, Amherst, MA 01003, USA
    J Bacteriol 188:450-5. 2006
    ..These results demonstrate that, unlike previously described organisms, G. sulfurreducens and possibly G. metallireducens use the same enzyme for both fumarate reduction and succinate oxidation in vivo...
  7. doi request reprint RsmA post-transcriptionally controls PhbR expression and polyhydroxybutyrate biosynthesis in Azotobacter vinelandii
    Alberto Hernandez-Eligio
    Departamento de Microbiologia Molecular, Instituto de Biotecnologia, Universidad Nacional Autonoma de Mexico, Avenida Universidad 2001, Col Chamilpa, CP 62210 Cuernavaca, Morelos, Mexico
    Microbiology 158:1953-63. 2012
    ..Taken together these results indicate that in A. vinelandii, RsmA post-transcriptionally represses the expression of PhbR...
  8. doi request reprint Azotobacter vinelandii lacking the Na(+)-NQR activity: a potential source for producing alginates with improved properties and at high yield
    Itzel Gaytán
    Departamento de Ingeniería Celular y Biocatálisis, Instituto de Biotecnologia, Universidad Nacional Autonoma de Mexico, Apdo Post 510 3, 62250, Cuernavaca, Morelos, Mexico
    World J Microbiol Biotechnol 28:2731-40. 2012
    ..These characteristics make this mutant a valuable source for producing alginates with improved or special properties...
  9. 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)...
  10. pmc Genome-wide analysis of the RpoN regulon in Geobacter sulfurreducens
    Ching Leang
    Department of Microbiology, University of Massachusetts, Amherst, MA 01003, USA
    BMC Genomics 10:331. 2009
    ....
  11. doi request reprint Roles of RpoS and PsrA in cyst formation and alkylresorcinol synthesis in Azotobacter vinelandii
    Miguel Cocotl-Yañez
    Departamento de Microbiologia Molecular, Instituto de Biotecnologia, Universidad Nacional Autonoma de Mexico, Av Universidad 2001, Col Chamilpa, Cuernavaca, Morelos 62210, Mexico
    Microbiology 157:1685-93. 2011
    ..These results indicate that RpoS and PsrA are involved in regulation of encystment and alkylresorcinol synthesis in A. vinelandii...
  12. pmc Preferential reduction of FeIII over fumarate by Geobacter sulfurreducens
    Abraham Esteve-Nuñez
    Department of Microbiology, University of Massachusetts, Morrill Science Center IVN, Amherst, MA 01003, USA
    J Bacteriol 186:2897-9. 2004
    ....