Alexander J. Ninfa

Overview

Best Publications

• Protein phosphorylation and regulation of adaptive responses in bacteria.

  J B Stock;A J Ninfa;A M Stock

  2212
  Citations

• Development of genetic circuitry exhibiting toggle switch or oscillatory behavior in Escherichia coli.

  Mariette R. Atkinson;Michael A. Savageau;Jesse T. Myers;Alexander J. Ninfa

  920
  Citations

• Covalent modification of the glnG product, NRI, by the glnL product, NRII, regulates the transcription of the glnALG operon in Escherichia coli

  Alexander J. Ninfa;Boris Magasanik

  792
  Citations

• Modular cell biology: retroactivity and insulation.

  Domitilla Del Vecchio;Alexander J Ninfa;Eduardo D Sontag

  622
  Citations

• Is acetyl phosphate a global signal in Escherichia coli

  W R McCleary;J B Stock;A J Ninfa

  380
  Citations

• Phosphorylation and dephosphorylation of a bacterial transcriptional activator by a transmembrane receptor.

  M M Igo;A J Ninfa;J B Stock;T J Silhavy

  363
  Citations

• Initiation of transcription at the bacterial glnAp2 promoter by purified E. coli components is facilitated by enhancers

  Alexander J. Ninfa;Lawrence J. Reitzer;Boris Magasanik

  328
  Citations

• PII signal transduction proteins

  Alexander J Ninfa;Mariette R Atkinson

  316
  Citations

• Crosstalk between bacterial chemotaxis signal transduction proteins and regulators of transcription of the Ntr regulon: evidence that nitrogen assimilation and chemotaxis are controlled by a common phosphotransfer mechanism.

  Alexander J. Ninfa;Elizabeth Gottlin Ninfa;Andrei N. Lupas;Ann Stock;Ann Stock

  311
  Citations

• PII signal transduction proteins: sensors of α-ketoglutarate that regulate nitrogen metabolism

  Alexander J Ninfa;Peng Jiang

  294
  Citations

• Role of phosphorylated metabolic intermediates in the regulation of glutamine synthetase synthesis in Escherichia coli.

  Junli Feng;M. R. Atkinson;W. Mccleary;J. B. Stock

  279
  Citations

• Enzymological characterization of the signal-transducing uridylyltransferase/uridylyl-removing enzyme (EC 2.7.7.59) of Escherichia coli and its interaction with the PII protein.

  Peng Jiang;James A. Peliska;Alexander J. Ninfa

  231
  Citations

• Dimerization Is Required for the Activity of the Protein Histidine Kinase CheA That Mediates Signal Transduction in Bacterial Chemotaxis

  Michael G. Surette;Mikhail Levit;Yi Liu;Gudrun Lukat

  212
  Citations

• Mechanism of autophosphorylation of Escherichia coli nitrogen regulator II (NRII or NtrB): trans-phosphorylation between subunits.

  E G Ninfa;M R Atkinson;E S Kamberov;A J Ninfa

  209
  Citations

• The Escherichia coli PII Signal Transduction Protein Is Activated upon Binding 2-Ketoglutarate and ATP

  Emmanuel S. Kamberov;Mariette R. Atkinson;Alexander J. Ninfa

  202
  Citations

• A bacterial environmental sensor that functions as a protein kinase and stimulates transcriptional activation.

  M M Igo;A J Ninfa;T J Silhavy

  191
  Citations

• Characterization of the regulon controlled by the leucine-responsive regulatory protein in Escherichia coli.

  B R Ernsting;M R Atkinson;A J Ninfa;R G Matthews

  178
  Citations

• The regulation of Escherichia coli glutamine synthetase revisited: role of 2-ketoglutarate in the regulation of glutamine synthetase adenylylation state.

  Peng Jiang;James A. Peliska;Alexander J. Ninfa

  163
  Citations

• Role of the GlnK signal transduction protein in the regulation of nitrogen assimilation in Escherichia coli

  Mariette R. Atkinson;Alexander J. Ninfa

  155
  Citations

• Mechanism ofAutophosphorylation ofEscherichia coli Nitrogen Regulator II (NRI, orNtrB): trans-Phosphorylation between Subunits

  Emmanuel S. Kamberov;Alexander J. Ninfa

  3
  Citations