Kathleen Postle

Professor of Biochemistry and Molecular Biology

Research Summary

Signal transduction and iron transport in bacteria

Links

Publication Tags

Proton Motive Force Cell Membrane Membrane Proteins Escherichia Coli Protons Membranes Nutrients Food Signal Transduction Active Biological Transport Periplasm Membrane Transport Proteins Ligands Cytoplasm Gram Negative Bacteria Mutation Proteins Formaldehyde Endopeptidase K Back Cysteine Disulfides Growth Spheroplasts Iron

Most Recent Papers

The intrinsically disordered region of ExbD is required for signal transduction

Dale R. Kopp, Kathleen Postle, 2020, Journal of Bacteriology

Characterization of Escherichia coli ExbD protein modification in vivo

Aruna Kumar, Kathleen Postle, 2020,

An ExbD Disordered Domain Peptide Inhibits TonB System Activity

Dale Kopp, Kathleen Postle, 2020,

Going outside the TonB box

Michael G. Gresock, Kathleen Postle, 2017, Journal of Bacteriology

From homodimer to heterodimer and back

Michael G. Gresock, Kyle A. Kastead, Kathleen Postle, 2015, Journal of Bacteriology on p. 3433-3445

Exbb Cytoplasmic Loop Deletions Cause Immediate, Proton Motive Force-Independent Growth Arrest

Charles M. Bulathsinghala, Bimal Jana, Kristin R. Baker, Kathleen Postle, 2013, Journal of Bacteriology on p. 4580-4591

Mutations in Escherichia coli ExbB transmembrane domains identify scaffolding and signal transduction functions and exclude participation in a proton pathway

Kristin R. Baker, Kathleen Postle, 2013, Journal of Bacteriology on p. 2898-2911

The ExbD periplasmic domain contains distinct functional regions for two stages in TonB energization

Anne A. Ollis, Aruna Kumar, Kathleen Postle, 2012, Journal of Bacteriology on p. 3069-3077

Identification of functionally important TonB-exbD periplasmic domain interactions In vivo

Anne A. Ollis, Kathleen Postle, 2012, Journal of Bacteriology on p. 3078-3087

ExbD mutants define initial stages in TonB energization

Anne A. Ollis, Kathleen Postle, 2012, Journal of Molecular Biology on p. 237-247

Most-Cited Papers

Death of the tonb shuttle hypothesis

Michael G. Gresock, Marina I. Savenkova, Ray A. Larsen, Anne A. Ollis, Kathleen Postle, 2011, Frontiers in Microbiology

ExbD mutants define initial stages in TonB energization

Anne A. Ollis, Kathleen Postle, 2012, Journal of Molecular Biology on p. 237-247

The ExbD periplasmic domain contains distinct functional regions for two stages in TonB energization

Anne A. Ollis, Aruna Kumar, Kathleen Postle, 2012, Journal of Bacteriology on p. 3069-3077

Mutations in Escherichia coli ExbB transmembrane domains identify scaffolding and signal transduction functions and exclude participation in a proton pathway

Kristin R. Baker, Kathleen Postle, 2013, Journal of Bacteriology on p. 2898-2911

Mutations in the ExbB cytoplasmic carboxy terminus prevent energy-dependent interaction between the TonB and ExbD periplasmic domains

Bimal Jana, Marta Manning, Kathleen Postle, 2011, Journal of Bacteriology on p. 5649-5657

Identification of functionally important TonB-exbD periplasmic domain interactions In vivo

Anne A. Ollis, Kathleen Postle, 2012, Journal of Bacteriology on p. 3078-3087

Taking the Escherichia coli TonB transmembrane domain "Offline"? Nonprotonatable Asn substitutes fully for TonB his20

Cheryl Swayne, Kathleen Postle, 2011, Journal of Bacteriology on p. 3693-3701

From homodimer to heterodimer and back

Michael G. Gresock, Kyle A. Kastead, Kathleen Postle, 2015, Journal of Bacteriology on p. 3433-3445

The same periplasmic exbD residues mediate in vivo interactions between exbD homodimers and exbD-tonB heterodimers

Anne A. Ollis, Kathleen Postle, 2011, Journal of Bacteriology on p. 6852-6863

Going outside the TonB box

Michael G. Gresock, Kathleen Postle, 2017, Journal of Bacteriology