Katarzyna Potrykus

Summary

Affiliation: National Institutes of Health
Country: USA

Publications

  1. doi request reprint (p)ppGpp: still magical?
    Katarzyna Potrykus
    Laboratory of Molecular Genetics, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland 20892 2785, USA
    Annu Rev Microbiol 62:35-51. 2008
  2. pmc Imprecise transcription termination within Escherichia coli greA leader gives rise to an array of short transcripts, GraL
    Katarzyna Potrykus
    Laboratory of Molecular Genetics, Program in Genomics of Development, Eunice Kennedy Shriver NICHD, NIH, Bethesda, MD 20892 2785, USA
    Nucleic Acids Res 38:1636-51. 2010
  3. pmc Differential regulation by ppGpp versus pppGpp in Escherichia coli
    Undine Mechold
    Laboratory of Molecular Genetics, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892, USA
    Nucleic Acids Res 41:6175-89. 2013
  4. ncbi request reprint Antagonistic regulation of Escherichia coli ribosomal RNA rrnB P1 promoter activity by GreA and DksA
    Katarzyna Potrykus
    Laboratory of Molecular Genetics, NICHD, National Institutes of Health, Bethesda, Maryland 20892 2785, USA
    J Biol Chem 281:15238-48. 2006
  5. pmc Effects on growth by changes of the balance between GreA, GreB, and DksA suggest mutual competition and functional redundancy in Escherichia coli
    Daniel Vinella
    Laboratory of Molecular Genetics, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, USA
    J Bacteriol 194:261-73. 2012
  6. doi request reprint ppGpp is the major source of growth rate control in E. coli
    Katarzyna Potrykus
    Laboratory of Molecular Genetics, Program in Genomics of Development, Eunice Kennedy Shriver NICHD, NIH, Bethesda, MD 20892 2785, USA
    Environ Microbiol 13:563-75. 2011

Detail Information

Publications6

  1. doi request reprint (p)ppGpp: still magical?
    Katarzyna Potrykus
    Laboratory of Molecular Genetics, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland 20892 2785, USA
    Annu Rev Microbiol 62:35-51. 2008
    ..Many basic questions still exist. This review tries to focus on some issues that linger even for the most widely characterized bacterial strains...
  2. pmc Imprecise transcription termination within Escherichia coli greA leader gives rise to an array of short transcripts, GraL
    Katarzyna Potrykus
    Laboratory of Molecular Genetics, Program in Genomics of Development, Eunice Kennedy Shriver NICHD, NIH, Bethesda, MD 20892 2785, USA
    Nucleic Acids Res 38:1636-51. 2010
    ..Although GraL overexpression induces >/=3-fold transcriptional changes of over 100 genes, a direct target remains elusive...
  3. pmc Differential regulation by ppGpp versus pppGpp in Escherichia coli
    Undine Mechold
    Laboratory of Molecular Genetics, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892, USA
    Nucleic Acids Res 41:6175-89. 2013
    ..coli RNA polymerase-σ(70) holoenzyme with ppGpp and pppGpp. We find that both nucleotides bind to a site at the interface between β' and ω subunits. ..
  4. ncbi request reprint Antagonistic regulation of Escherichia coli ribosomal RNA rrnB P1 promoter activity by GreA and DksA
    Katarzyna Potrykus
    Laboratory of Molecular Genetics, NICHD, National Institutes of Health, Bethesda, Maryland 20892 2785, USA
    J Biol Chem 281:15238-48. 2006
    ..Our findings support the idea that a balance of the interactions between the three secondary channel-binding proteins and RNAP can provide a new mode for regulating transcription...
  5. pmc Effects on growth by changes of the balance between GreA, GreB, and DksA suggest mutual competition and functional redundancy in Escherichia coli
    Daniel Vinella
    Laboratory of Molecular Genetics, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, USA
    J Bacteriol 194:261-73. 2012
    ....
  6. doi request reprint ppGpp is the major source of growth rate control in E. coli
    Katarzyna Potrykus
    Laboratory of Molecular Genetics, Program in Genomics of Development, Eunice Kennedy Shriver NICHD, NIH, Bethesda, MD 20892 2785, USA
    Environ Microbiol 13:563-75. 2011
    ..We believe these findings strongly argue in favour of ppGpp and against redundant regulation of growth rate control by other factors in Escherichia coli and other enteric bacteria...