All Stories

  1. From Homodimer to Heterodimer and Back: Elucidating the TonB Energy Transduction Cycle

    Article • Journal of Bacteriology, August 2015, ASM Journals

    Professor Kathleen Postle

  2. The TonB, ExbB, and ExbD Proteins

    Article • April 2014, ASM Journals

    Professor Kathleen Postle

  3. ExbB Cytoplasmic Loop Deletions Cause Immediate, Proton Motive Force-Independent Growth Arrest

    Article • Journal of Bacteriology, August 2013, ASM Journals

    Professor Kathleen Postle

  4. Mutations in Escherichia coli ExbB Transmembrane Domains Identify Scaffolding and Signal Transduction Functions and Exclude Participation in a Proton Pathway

    Article • Journal of Bacteriology, April 2013, ASM Journals

    Professor Kathleen Postle

  5. The ExbD Periplasmic Domain Contains Distinct Functional Regions for Two Stages in TonB Energization

    Article • Journal of Bacteriology, April 2012, ASM Journals

    Professor Kathleen Postle

  6. Identification of Functionally Important TonB-ExbD Periplasmic Domain Interactions In Vivo

    Article • Journal of Bacteriology, April 2012, ASM Journals

    Professor Kathleen Postle

  7. ExbD Mutants Define Initial Stages in TonB Energization

    Article • Journal of Molecular Biology, January 2012, Elsevier

    Professor Kathleen Postle

  8. The Same Periplasmic ExbD Residues Mediate In Vivo Interactions between ExbD Homodimers and ExbD-TonB Heterodimers

    Article • Journal of Bacteriology, October 2011, ASM Journals

    Professor Kathleen Postle

  9. Mutations in the ExbB Cytoplasmic Carboxy Terminus Prevent Energy-Dependent Interaction between the TonB and ExbD Periplasmic Domains

    Article • Journal of Bacteriology, August 2011, ASM Journals

    Professor Kathleen Postle

  10. Taking the Escherichia coli TonB Transmembrane Domain "Offline"? Nonprotonatable Asn Substitutes Fully for TonB His20

    Article • Journal of Bacteriology, June 2011, ASM Journals

    Professor Kathleen Postle

  11. Death of the TonB Shuttle Hypothesis

    Article • Frontiers in Microbiology, January 2011, Frontiers

    Professor Kathleen Postle

  12. The TonB Dimeric Crystal Structures Do Not Exist In Vivo

    Article • mBio, December 2010, ASM Journals

    Professor Kathleen Postle

  13. Cytoplasmic membrane protonmotive force energizes periplasmic interactions between ExbD and TonB

    Article • Molecular Microbiology, August 2009, Wiley

    Professor Kathleen Postle

  14. Studies on colicin B translocation: FepA is gated by TonB

    Article • Molecular Microbiology, July 2007, Wiley

    Professor Kathleen Postle

  15. Deletion and Substitution Analysis of the Escherichia coli TonB Q160 Region

    Article • Journal of Bacteriology, May 2007, ASM Journals

    Professor Kathleen Postle

  16. TonB-dependent energy transduction between outer and cytoplasmic membranes

    Article • BioMetals, January 2007, Springer Science + Business Media

    Professor Kathleen Postle

  17. TonB System, In Vivo Assays and Characterization

    Article • January 2007, Elsevier

    Professor Kathleen Postle

  18. Disulphide trapping of an in vivo energy-dependent conformation of Escherichia coli TonB protein

    Article • Molecular Microbiology, November 2004, Wiley

    Professor Kathleen Postle

  19. Crystal structure of the cytotoxic bacterial protein colicin B at 2.5 Å resolution

    Article • Molecular Microbiology, January 2004, Wiley

    Professor Kathleen Postle

  20. Evidence for dynamic clustering of carboxy-terminal aromatic amino acids in TonB-dependent energy transduction

    Article • Molecular Microbiology, November 2003, Wiley

    Professor Kathleen Postle

  21. Performance of Standard Phenotypic Assays for TonB Activity, as Evaluated by Varying the Level of Functional, Wild-Type TonB

    Article • Journal of Bacteriology, August 2003, ASM Journals

    Professor Kathleen Postle

  22. Touch and go: tying TonB to transport

    Article • Molecular Microbiology, July 2003, Wiley

    Professor Kathleen Postle

  23. In vivo evidence of TonB shuttling between the cytoplasmic and outer membrane in Escherichia coli

    Article • Molecular Microbiology, May 2003, Wiley

    Professor Kathleen Postle

  24. FepA with Globular Domain Deletions Lacks Activity

    Article • Journal of Bacteriology, October 2002, ASM Journals

    Professor Kathleen Postle

  25. ExbB and ExbD Do Not Function Independently in TonB-Dependent Energy Transduction

    Article • Journal of Bacteriology, September 2002, ASM Journals

    Professor Kathleen Postle

  26. Quantification of known components of the Escherichia coli TonB energy transduction system: TonB, ExbB, ExbD and FepA

    Article • Molecular Microbiology, April 2002, Wiley

    Professor Kathleen Postle

  27. Protonmotive force, ExbB and ligand-bound FepA drive conformational changes in TonB

    Article • Molecular Microbiology, April 1999, Wiley

    Professor Kathleen Postle

  28. TonB protein appears to transduce energy by shuttling between the cytoplasmic membrane and the outer membrane in Escherichia coli

    Article • Molecular Microbiology, April 1997, Wiley

    Professor Kathleen Postle

  29. Partial suppression of an Escherichia coli TonB transmembrane domain mutation (?V17) by a missense mutation in ExbB

    Article • Molecular Microbiology, August 1994, Wiley

    Professor Kathleen Postle

  30. Repression of tonB transcription during anaerobic growth requires Fur binding at the promoter and a second factor binding upstream

    Article • Molecular Microbiology, March 1994, Wiley

    Professor Kathleen Postle

  31. The conserved proline-rich Motif is not essential for energy transduction by Escherichia coliTonB protein

    Article • Molecular Microbiology, December 1993, Wiley

    Professor Kathleen Postle

  32. Evidence for a TonB-dependent energy transduction complex in Escherichia coli

    Article • Molecular Microbiology, December 1991, Wiley

    Professor Kathleen Postle

  33. TonB and the Gram-negative dilemma

    Article • Molecular Microbiology, December 1990, Wiley

    Professor Kathleen Postle

  34. A bidirectional rho-independent transcription terminator between the E. coli tonB gene and an opposing gene

    Article • Cell, June 1985, Elsevier

    Professor Kathleen Postle

  35. Nucleotide sequence of the repressor gene of the TN10 tetracycline resistance determinant

    Article • Nucleic Acids Research, January 1984, Oxford University Press (OUP)

    Professor Kathleen Postle

  36. Sequence homology between the tetracycline-resistance determinants of Tn10 and pBR322

    Article • Gene, November 1983, Elsevier

    Professor Kathleen Postle

  37. DNA sequence of the Escherichia coli tonB gene.

    Article • Proceedings of the National Academy of Sciences, September 1983, Proceedings of the National Academy of Sciences

    Professor Kathleen Postle

  38. Overlapping divergent promoters control expression of Tn10 tetracycline resistance

    Article • Gene, August 1983, Elsevier

    Professor Kathleen Postle

  39. The inverted repeats of Tn are functionally different

    Article • Cell, March 1980, Elsevier

    Professor Kathleen Postle

  40. Identification of the Escherichia coli tonB gene product in minicells containing tonB hybrid plasmids

    Article • Journal of Molecular Biology, July 1979, Elsevier

    Professor Kathleen Postle