Patricia J. Kiley

Exploiting Thiol Modifications (2004)

Patricia J. Kiley, Gisela Storz

Molecular oxygen may be necessary for life but with its beneficial properties comes formation of potentially toxic reactive oxygen species. One of the ways in which bacteria protect themselves is...

Genome-Wide Expression Analysis Indicates that FNR of Escherichia coli K-12 Regulates a Large Number of Genes of Unknown Function† (2004)

Yisheng Kang, K. Derek Weber, Yu Qiu, Patricia J. Kiley, Frederick R. Blattner

The major regulator controlling the physiological switch between aerobic and anaerobic growth conditions in Escherichia coli is the DNA binding protein FNR. To identify genes controlled by FNR, we...

Fnr, NarP, and NarL Regulation of Escherichia coli K-12 napF (Periplasmic Nitrate Reductase) Operon Transcription In Vitro (1998)

Darwin, Andrew J., Ziegelhoffer, Eva C., Kiley, Patricia J., Stewart, Valley

The expression of several Escherichia coli operons is activated by the Fnr protein during anaerobic growth and is further controlled in response to nitrate and nitrite by the homologous response...

The cysteine desulfurase, IscS, has a major role in in vivo Fe-S cluster formation in Escherichia coli

Schwartz, Christopher J., Djaman, Ouliana, Imlay, James A., Kiley, Patricia J.

The cysteine desulfurase, IscS, provides sulfur for Fe-S cluster synthesis in vitro, but a role for IscS in in vivo Fe-S cluster formation has yet to be established. To study the in vivo function of...

Iron-sulfur cluster disassembly in the FNR protein of Escherichia coli by O2: [4Fe-4S] to [2Fe-2S] conversion with loss of biological activity

Khoroshilova, Natalia, Popescu, Codrina, Münck, Eckard, Beinert, Helmut, Kiley, Patricia J.

The transcription factor FNR (fumarate nitrate reduction) requires the presence of an iron-sulfur (Fe-S) cluster for its function as a global transcription regulator in Escherichia coli when oxygen...

Mössbauer spectroscopy as a tool for the study of activation/inactivation of the transcription regulator FNR in whole cells of Escherichia coli

Popescu, Codrina V., Bates, Donna M., Beinert, Helmut, Münck, Eckard, Kiley, Patricia J.

The global regulator FNR (for fumarate nitrate reduction) controls the transcription of >100 genes whose products facilitate adaptation of Escherichia coli to growth under O2-limiting conditions....

IscR, an Fe-S cluster-containing transcription factor, represses expression of Escherichia coli genes encoding Fe-S cluster assembly proteins

Schwartz, Christopher J., Giel, Jennifer L., Patschkowski, Thomas, Luther, Christopher, Ruzicka, Frank J., Beinert, Helmut, ...

IscR (iron-sulfur cluster regulator) is encoded by an ORF located immediately upstream of genes coding for the Escherichia coli Fe-S cluster assembly proteins, IscS, IscU, and IscA. IscR shares amino...

Fnr, NarP, and NarL Regulation of Escherichia coli K-12 napF (Periplasmic Nitrate Reductase) Operon Transcription In Vitro

Darwin, Andrew J., Ziegelhoffer, Eva C., Kiley, Patricia J., Stewart, Valley

The expression of several Escherichia coli operons is activated by the Fnr protein during anaerobic growth and is further controlled in response to nitrate and nitrite by the homologous response...

Exploiting Thiol Modifications

Kiley, Patricia J, Storz, Gisela

Molecular oxygen may be necessary for life but with its beneficial properties comes formation of potentially toxic reactive oxygen species. One of the ways in which bacteria protect themselves is...

Kinetic Analysis of the Oxidative Conversion of the [4Fe-4S]2+ Cluster of FNR to a [2Fe-2S]2+ Cluster

Sutton, Victoria R., Mettert, Erin L., Beinert, Helmut, Kiley, Patricia J.

The ability of FNR to sense and respond to cellular O2 levels depends on its [4Fe-4S]2+ cluster. In the presence of O2, the [4Fe-4S]2+ cluster is converted to a [2Fe-2S]2+ cluster, which inactivates...

Genome-Wide Expression Analysis Indicates that FNR of Escherichia coli K-12 Regulates a Large Number of Genes of Unknown Function†

Kang, Yisheng, Weber, K. Derek, Qiu, Yu, Kiley, Patricia J., Blattner, Frederick R.

The major regulator controlling the physiological switch between aerobic and anaerobic growth conditions in Escherichia coli is the DNA binding protein FNR. To identify genes controlled by FNR, we...

Additional Determinants within Escherichia coli FNR Activating Region 1 and RNA Polymerase α Subunit Required for Transcription Activation

Weber, K. Derek, Vincent, Owen D., Kiley, Patricia J.

The global anaerobic regulator FNR is a DNA binding protein that activates transcription of genes required for anaerobic metabolism in Escherichia coli through interactions with RNA polymerase...

The cysteine desulfurase, IscS, has a major role in in vivo Fe-S cluster formation in Escherichia coli

Schwartz, Christopher J., Djaman, Ouliana, Imlay, James A., Kiley, Patricia J.

The cysteine desulfurase, IscS, provides sulfur for Fe-S cluster synthesis in vitro, but a role for IscS in in vivo Fe-S cluster formation has yet to be established. To study the in vivo function of...

Iron-sulfur cluster disassembly in the FNR protein of Escherichia coli by O2: [4Fe-4S] to [2Fe-2S] conversion with loss of biological activity

Khoroshilova, Natalia, Popescu, Codrina, Münck, Eckard, Beinert, Helmut, Kiley, Patricia J.

The transcription factor FNR (fumarate nitrate reduction) requires the presence of an iron-sulfur (Fe-S) cluster for its function as a global transcription regulator in Escherichia coli when oxygen...

Mössbauer spectroscopy as a tool for the study of activation/inactivation of the transcription regulator FNR in whole cells of Escherichia coli

Popescu, Codrina V., Bates, Donna M., Beinert, Helmut, Münck, Eckard, Kiley, Patricia J.

The global regulator FNR (for fumarate nitrate reduction) controls the transcription of >100 genes whose products facilitate adaptation of Escherichia coli to growth under O2-limiting conditions....

IscR, an Fe-S cluster-containing transcription factor, represses expression of Escherichia coli genes encoding Fe-S cluster assembly proteins

Schwartz, Christopher J., Giel, Jennifer L., Patschkowski, Thomas, Luther, Christopher, Ruzicka, Frank J., Beinert, Helmut, ...

IscR (iron-sulfur cluster regulator) is encoded by an ORF located immediately upstream of genes coding for the Escherichia coli Fe-S cluster assembly proteins, IscS, IscU, and IscA. IscR shares amino...

Fnr, NarP, and NarL Regulation of Escherichia coli K-12 napF (Periplasmic Nitrate Reductase) Operon Transcription In Vitro

Darwin, Andrew J., Ziegelhoffer, Eva C., Kiley, Patricia J., Stewart, Valley

The expression of several Escherichia coli operons is activated by the Fnr protein during anaerobic growth and is further controlled in response to nitrate and nitrite by the homologous response...

Exploiting Thiol Modifications

Kiley, Patricia J, Storz, Gisela

Molecular oxygen may be necessary for life but with its beneficial properties comes formation of potentially toxic reactive oxygen species. One of the ways in which bacteria protect themselves is...

Kinetic Analysis of the Oxidative Conversion of the [4Fe-4S]2+ Cluster of FNR to a [2Fe-2S]2+ Cluster

Sutton, Victoria R., Mettert, Erin L., Beinert, Helmut, Kiley, Patricia J.

The ability of FNR to sense and respond to cellular O2 levels depends on its [4Fe-4S]2+ cluster. In the presence of O2, the [4Fe-4S]2+ cluster is converted to a [2Fe-2S]2+ cluster, which inactivates...

Genome-Wide Expression Analysis Indicates that FNR of Escherichia coli K-12 Regulates a Large Number of Genes of Unknown Function†

Kang, Yisheng, Weber, K. Derek, Qiu, Yu, Kiley, Patricia J., Blattner, Frederick R.

The major regulator controlling the physiological switch between aerobic and anaerobic growth conditions in Escherichia coli is the DNA binding protein FNR. To identify genes controlled by FNR, we...

Additional Determinants within Escherichia coli FNR Activating Region 1 and RNA Polymerase α Subunit Required for Transcription Activation

Weber, K. Derek, Vincent, Owen D., Kiley, Patricia J.

The global anaerobic regulator FNR is a DNA binding protein that activates transcription of genes required for anaerobic metabolism in Escherichia coli through interactions with RNA polymerase...

Contributions of [4Fe-4S]-FNR and Integration Host Factor to fnr Transcriptional Regulation▿

Mettert, Erin L., Kiley, Patricia J.

Maintaining appropriate levels of the global regulator FNR is critical to its function as an O2 sensor. In this study, we examined the mechanisms that control transcription of fnr to increase our...

Two-pronged survival strategy for the major cystic fibrosis pathogen, Pseudomonas aeruginosa, lacking the capacity to degrade nitric oxide during anaerobic respiration

Yoon, Sang Sun, Karabulut, Ahmet C, Lipscomb, John D, Hennigan, Robert F, Lymar, Sergei V, Groce, Stephanie L, ...

Protection from NO gas, a toxic byproduct of anaerobic respiration in Pseudomonas aeruginosa, is mediated by nitric oxide (NO) reductase (NOR), the norCB gene product. Nevertheless, a norCB mutant...

Dissecting the Role of the N-Terminal Region of the Escherichia coli Global Transcription Factor FNR ▿

Yan, Aixin, Kiley, Patricia J.

The role of the N-terminal region of the transcription factor FNR, which immediately precedes the first ligand (Cys20) of the [4Fe-4S] cluster, was investigated. We found that truncation mutants that...