Victor Gonzalez

Summary

Country: Mexico

Publications

  1. pmc Conserved symbiotic plasmid DNA sequences in the multireplicon pangenomic structure of Rhizobium etli
    Victor Gonzalez
    Centro de Ciencias Genomicas, Universidad Nacional Autonoma de Mexico, Av Universidad N C Col Chamilpa, Apdo Postal 565 A, Cuernavaca 62210, Mexico
    Appl Environ Microbiol 76:1604-14. 2010
  2. pmc The partitioned Rhizobium etli genome: genetic and metabolic redundancy in seven interacting replicons
    Victor Gonzalez
    Centro de Ciencias Genomicas, Universidad Nacional Autonoma de Mexico, AP565 A Cuernavaca, Morelos, 62210, Mexico
    Proc Natl Acad Sci U S A 103:3834-9. 2006
  3. pmc The mosaic structure of the symbiotic plasmid of Rhizobium etli CFN42 and its relation to other symbiotic genome compartments
    Victor Gonzalez
    Centro de Investigacion Sobre Fijacion de Nitrogeno, Universidad Nacional Autonoma de Mexico, Cuernavaca, Morelos, Mexico 62210
    Genome Biol 4:R36. 2003
  4. pmc Diversification of DNA sequences in the symbiotic genome of Rhizobium etli
    Margarita Flores
    Centro de Ciencias Genomicas, Universidad Nacional Autonoma de Mexico, Ap Postal 565 A, Cuernavaca, Morelos, Mexico
    J Bacteriol 187:7185-92. 2005
  5. pmc Transfer of the symbiotic plasmid of Rhizobium etli CFN42 requires cointegration with p42a, which may be mediated by site-specific recombination
    Susana Brom
    Programa de Genetica Molecular de Plasmidos Bacterianos, Centro de Investigacion Sobre Fijacion de Nitrogeno, UNAM, Cuernavaca, Morelos, Mexico
    J Bacteriol 186:7538-48. 2004
  6. pmc Evolutionary dynamics of insertion sequences in relation to the evolutionary histories of the chromosome and symbiotic plasmid genes of Rhizobium etli populations
    Luis Lozano
    Centro de Ciencias Genomicas, Universidad Nacional Autonoma de Mexico, Cuernavaca, Morelos, Mexico
    Appl Environ Microbiol 76:6504-13. 2010
  7. pmc DNA diversification in two Sinorhizobium species
    Xianwu Guo
    Centro de Ciencias Genomicas, Universidad Nacional Autonoma de Mexico, Ap Postal 565 A, Cuernavaca, Morelos, Mexico
    J Bacteriol 189:6474-6. 2007
  8. pmc Rapid evolutionary change of common bean (Phaseolus vulgaris L) plastome, and the genomic diversification of legume chloroplasts
    Xianwu Guo
    Programa de Genómica Evolutiva, Centro de Ciencias Genomicas, Universidad Nacional Autonoma de Mexico, Apartado Postal 565 A, C P 62210, Cuernavaca, Morelos, Mexico
    BMC Genomics 8:228. 2007
  9. pmc Horizontal gene transfer and diverse functional constrains within a common replication-partitioning system in Alphaproteobacteria: the repABC operon
    Santiago Castillo-Ramírez
    Programa de Genómica Evolutiva, Centro de Ciencias Genomicas, Universidad Nacional Autonoma de Mexico, Cuernavaca, Morelos, Mexico
    BMC Genomics 10:536. 2009
  10. pmc Genome sequence of Rhizobium grahamii CCGE502, a broad-host-range symbiont with low nodulation competitiveness in Phaseolus vulgaris
    M Julia Althabegoiti
    Programas Ecología Genómica, Centro de Ciencias Genomicas, Universidad Nacional Autonoma de Mexico, Cuernavaca, Morelos, Mexico
    J Bacteriol 194:6651-2. 2012

Collaborators

Detail Information

Publications19

  1. pmc Conserved symbiotic plasmid DNA sequences in the multireplicon pangenomic structure of Rhizobium etli
    Victor Gonzalez
    Centro de Ciencias Genomicas, Universidad Nacional Autonoma de Mexico, Av Universidad N C Col Chamilpa, Apdo Postal 565 A, Cuernavaca 62210, Mexico
    Appl Environ Microbiol 76:1604-14. 2010
    ..We concluded that R. etli has a pangenomic structure with a core genome composed of both chromosomal and plasmid sequences, including a highly conserved symbiotic plasmid, despite the overall genomic divergence...
  2. pmc The partitioned Rhizobium etli genome: genetic and metabolic redundancy in seven interacting replicons
    Victor Gonzalez
    Centro de Ciencias Genomicas, Universidad Nacional Autonoma de Mexico, AP565 A Cuernavaca, Morelos, 62210, Mexico
    Proc Natl Acad Sci U S A 103:3834-9. 2006
    ..Twenty-three putative sigma factors, numerous isozymes, and paralogous families attest to the metabolic redundancy and the genomic plasticity necessary to sustain the lifestyle of R. etli in symbiosis and in the soil...
  3. pmc The mosaic structure of the symbiotic plasmid of Rhizobium etli CFN42 and its relation to other symbiotic genome compartments
    Victor Gonzalez
    Centro de Investigacion Sobre Fijacion de Nitrogeno, Universidad Nacional Autonoma de Mexico, Cuernavaca, Morelos, Mexico 62210
    Genome Biol 4:R36. 2003
    ..We report the complete sequence of the symbiotic plasmid of Rhizobium etli CFN42, a microsymbiont of beans, and a comparison with other SGC sequences available...
  4. pmc Diversification of DNA sequences in the symbiotic genome of Rhizobium etli
    Margarita Flores
    Centro de Ciencias Genomicas, Universidad Nacional Autonoma de Mexico, Ap Postal 565 A, Cuernavaca, Morelos, Mexico
    J Bacteriol 187:7185-92. 2005
    ..We propose that the horizontal transfer of homologous DNA segments among closely related organisms is a major source of genomic diversification...
  5. pmc Transfer of the symbiotic plasmid of Rhizobium etli CFN42 requires cointegration with p42a, which may be mediated by site-specific recombination
    Susana Brom
    Programa de Genetica Molecular de Plasmidos Bacterianos, Centro de Investigacion Sobre Fijacion de Nitrogeno, UNAM, Cuernavaca, Morelos, Mexico
    J Bacteriol 186:7538-48. 2004
    ....
  6. pmc Evolutionary dynamics of insertion sequences in relation to the evolutionary histories of the chromosome and symbiotic plasmid genes of Rhizobium etli populations
    Luis Lozano
    Centro de Ciencias Genomicas, Universidad Nacional Autonoma de Mexico, Cuernavaca, Morelos, Mexico
    Appl Environ Microbiol 76:6504-13. 2010
    ..These results suggest that the R. etli populations diverged recently in Mexico, that the symbiotic plasmid also had a recent origin, and that the IS elements have undergone a process of cyclic infection and expansion...
  7. pmc DNA diversification in two Sinorhizobium species
    Xianwu Guo
    Centro de Ciencias Genomicas, Universidad Nacional Autonoma de Mexico, Ap Postal 565 A, Cuernavaca, Morelos, Mexico
    J Bacteriol 189:6474-6. 2007
    ..genomes clearly demonstrate that DNA recombination among closely related bacteria is a major event in the diversification of this genome, especially in pSymA, resulting in mosaic structure...
  8. pmc Rapid evolutionary change of common bean (Phaseolus vulgaris L) plastome, and the genomic diversification of legume chloroplasts
    Xianwu Guo
    Programa de Genómica Evolutiva, Centro de Ciencias Genomicas, Universidad Nacional Autonoma de Mexico, Apartado Postal 565 A, C P 62210, Cuernavaca, Morelos, Mexico
    BMC Genomics 8:228. 2007
    ..In contrast to what we know about their great diversity or economic importance, our knowledge at the genomic level of chloroplast genomes (cpDNAs or plastomes) for these crops is limited...
  9. pmc Horizontal gene transfer and diverse functional constrains within a common replication-partitioning system in Alphaproteobacteria: the repABC operon
    Santiago Castillo-Ramírez
    Programa de Genómica Evolutiva, Centro de Ciencias Genomicas, Universidad Nacional Autonoma de Mexico, Cuernavaca, Morelos, Mexico
    BMC Genomics 10:536. 2009
    ..Here, we tested whether there is a common evolutionary history within the repABC operon. We further examined different incompatibility groups in terms of their differentiation and degree of adaptation to their host...
  10. pmc Genome sequence of Rhizobium grahamii CCGE502, a broad-host-range symbiont with low nodulation competitiveness in Phaseolus vulgaris
    M Julia Althabegoiti
    Programas Ecología Genómica, Centro de Ciencias Genomicas, Universidad Nacional Autonoma de Mexico, Cuernavaca, Morelos, Mexico
    J Bacteriol 194:6651-2. 2012
    ..R. grahamii groups with other newly described broad-host-range species, which are not very efficient Phaseolus vulgaris symbionts, with a wide geographic distribution and which constitutes a novel Rhizobium clade...
  11. pmc Draft genome sequence of the bean-nodulating Sinorhizobium fredii strain GR64
    Gonzalo Torres Tejerizo
    Programas de Ingeniería Genómica, Universidad Nacional Autonoma de Mexico, Cuernavaca, Morelos, Mexico
    J Bacteriol 194:6978. 2012
    ..fredii. Here we present the draft genome of S. fredii GR64. This information will contribute to a better understanding of the symbiotic rhizobium-plant interaction and of rhizobial evolution...
  12. pmc Genomic lineages of Rhizobium etli revealed by the extent of nucleotide polymorphisms and low recombination
    José L Acosta
    Centro de Ciencias Genomicas, Universidad Nacional Autonoma de Mexico, Av Universidad N C Col Chamilpa, Apdo Postal 565 A, Cuernavaca 62210, Mexico
    BMC Evol Biol 11:305. 2011
    ..Here, we compared draft genomic sequences versus complete genomic sequences to obtain reliable measures of genetic diversity and then estimated the role of recombination in the generation of genomic diversity among Rhizobium etli...
  13. doi request reprint The Rhizobium etli RpoH1 and RpoH2 sigma factors are involved in different stress responses
    Jaime M Martínez-Salazar
    Programa de Ingeniería Genómica, Centro de Ciencias Genomicas, Departamento de Biologia Molecular de Plantas, Universidad Nacional Autonoma de Mexico, Apartado Postal 565 A, CP 62210 Cuernavaca, Morelos, Mexico
    Microbiology 155:386-97. 2009
    ..In conclusion, the two RpoH proteins operate under different stress conditions, RpoH1 in heat-shock and oxidative responses, and RpoH2 in osmotic tolerance...
  14. doi request reprint Rhizobium etli taxonomy revised with novel genomic data and analyses
    Martha G López-Guerrero
    Centro de Ciencias Genomicas, UNAM, Cuernavaca, Morelos, Mexico
    Syst Appl Microbiol 35:353-8. 2012
    ..etli. The R. phaseoli and R. etli speciation process seems to be a more recent event than the speciation that has occurred among other sister species, such as R. leguminosarum-R. etli or R. rhizogenes-R. tropici...
  15. pmc Factors affecting the concordance between orthologous gene trees and species tree in bacteria
    Santiago Castillo-Ramírez
    Programa de Genómica Evolutiva, Centro de Ciencias Genomicas, Universidad Nacional Autonoma de Mexico, Apartado Postal 565 A, CP 62210, Cuernavaca, Morelos, Mexico
    BMC Evol Biol 8:300. 2008
    ....
  16. pmc The Rhizobium etli sigma70 (SigA) factor recognizes a lax consensus promoter
    Miguel A Ramírez-Romero
    Programa de Genómica Evolutiva, Centro de Ciencias Genomicas, Universidad Nacional Autonoma de Mexico, Apartado Postal 565 A, C P 62210, Cuernavaca, Morelos, Mexico
    Nucleic Acids Res 34:1470-80. 2006
    ....
  17. pmc Narrow-host-range bacteriophages that infect Rhizobium etli associate with distinct genomic types
    Rosa Isela Santamaría
    Programa de Genómica Evolutiva, Centro de Ciencias Genomicas, UNAM, Cuernavaca, Morelos, Mexico
    Appl Environ Microbiol 80:446-54. 2014
    ..We classified these phages into four genomic types on the basis of their genomic similarity, gene content, and host range. Since there are no reports of similar sequences, we propose that these bacteriophages correspond to novel species...
  18. pmc Conjugative transfer of p42a from rhizobium etli CFN42, which is required for mobilization of the symbiotic plasmid, is regulated by quorum sensing
    Cristina Tun-Garrido
    Programa de Genetica Molecular de Plasmidos Bacterianos, Centro de Investigacion Sobre Fijacion de Nitrogeno, UNAM, Cuernavaca, Morelos, Mexico
    J Bacteriol 185:1681-92. 2003
    ..Finally, we did not detect expression of traM, indicating that in p42a TraM may be expressed so weakly that it cannot inhibit conjugal transfer, leading to the unrepressed transfer of p42a...
  19. pmc Recurrent DNA inversion rearrangements in the human genome
    Margarita Flores
    Centro de Ciencias Genomicas, Instituto de Investigaciones Biomedicas, Universidad Nacional Autonoma de Mexico, Cuernavaca, Morelos, 62210, Mexico
    Proc Natl Acad Sci U S A 104:6099-106. 2007
    ..The relevance of our results in regard to human genomic variation is discussed...