All Stories

  1. Tetrahymena phagocytic vesicles as ecological micro-niches of phage transfer

    Article • FEMS Microbiology Ecology, March 2017, Oxford University Press (OUP)

    Dr GERALD B KOUDELKA

  2. Cooperative DNA binding by a splice variant of the transcription factor ETS1 that lacks autoinhibition

    Article • August 2016, Cold Spring Harbor Laboratory Press

    Dr GERALD B KOUDELKA

  3. Mechanisms that Determine the Differential Stability of Stx+ and Stx− Lysogens

    Article • Toxins, March 2016, MDPI AG

    Dr GERALD B KOUDELKA

  4. A Role for Autoinhibition in Preventing Dimerization of the Transcription Factor ETS1

    Article • Journal of Biological Chemistry, July 2015, American Society for Biochemistry & Molecular Biology (ASBMB)

    Dr GERALD B KOUDELKA

  5. Specific minor groove solvation is a crucial determinant of DNA binding site recognition

    Article • Nucleic Acids Research, November 2014, Oxford University Press (OUP)

    Dr GERALD B KOUDELKA

  6. The Trojan Horse of the microbiological arms race: phage-encoded toxins as a defence against eukaryotic predators

    Article • Environmental Microbiology, August 2013, Wiley

    Dr GERALD B KOUDELKA

  7. The Microcosm Mediates the Persistence of Shiga Toxin-Producing Escherichia coli in Freshwater Ecosystems

    Article • Applied and Environmental Microbiology, June 2013, ASM Journals

    Dr GERALD B KOUDELKA

  8. Bacteriophage 434 Hex Protein Prevents RecA-Mediated Repressor Autocleavage

    Article • Viruses, January 2013, MDPI AG

    Dr GERALD B KOUDELKA

  9. Indirect Readout of DNA Sequence by P22 Repressor: Roles of DNA and Protein Functional Groups in Modulating DNA Conformation

    Article • Journal of Molecular Biology, January 2013, Elsevier

    Dr GERALD B KOUDELKA

  10. Entry and Killing of Tetrahymena thermophila by Bacterially Produced Shiga Toxin

    Article • mBio, December 2012, ASM Journals

    Dr GERALD B KOUDELKA

  11. Determinants of Bacteriophage 933W Repressor DNA Binding Specificity

    Article • PLoS ONE, April 2012, PLOS

    Dr GERALD B KOUDELKA

  12. Shiga Toxin: Expression, Distribution, and Its Role in the Environment

    Article • Toxins, June 2011, MDPI AG

    Dr GERALD B KOUDELKA

  13. The Lysis-Lysogeny Decision of Bacteriophage 933W: a 933W Repressor-Mediated Long-Distance Loop Has No Role in Regulating 933W PRM Activity

    Article • Journal of Bacteriology, May 2011, ASM Journals

    Dr GERALD B KOUDELKA

  14. Protein: Feeling the Groove of DNA

    Article • January 2011, American Chemical Society (ACS)

    Dr GERALD B KOUDELKA

  15. Sequence Recognition of DNA by Protein-Induced Conformational Transitions

    Article • Journal of Molecular Biology, March 2010, Elsevier

    Dr GERALD B KOUDELKA

  16. Shiga Toxin as a Bacterial Defense against a Eukaryotic Predator, Tetrahymena thermophila

    Article • Journal of Bacteriology, June 2009, ASM Journals

    Dr GERALD B KOUDELKA

  17. P22 c2 Repressor−Operator Complex:  Mechanisms of Direct and Indirect Readout‡

    Article • Biochemistry, February 2008, American Chemical Society (ACS)

    Dr GERALD B KOUDELKA

  18. Effect of Salt Shock on Stability of λimm434 Lysogens

    Article • Journal of Bacteriology, February 2007, ASM Journals

    Dr GERALD B KOUDELKA

  19. Indirect Readout of DNA Sequence by Proteins: The Roles of DNA Sequence‐Dependent Intrinsic and Extrinsic Forces

    Article • January 2006, Elsevier

    Dr GERALD B KOUDELKA

  20. The Bacteriophage 434 Repressor Dimer Preferentially Undergoes Autoproteolysis by an Intramolecular Mechanism

    Article • Journal of Bacteriology, August 2005, ASM Journals

    Dr GERALD B KOUDELKA

  21. Purification and Characterization of the Repressor of the Shiga Toxin-Encoding Bacteriophage 933W: DNA Binding, Gene Regulation, and Autocleavage

    Article • Journal of Bacteriology, November 2004, ASM Journals

    Dr GERALD B KOUDELKA

  22. Monovalent Cations Regulate DNA Sequence Recognition by 434 Repressor

    Article • Journal of Molecular Biology, July 2004, Elsevier

    Dr GERALD B KOUDELKA

  23. The Preferred Substrate for RecA-Mediated Cleavage of Bacteriophage 434 Repressor Is the DNA-Bound Dimer

    Article • Journal of Bacteriology, January 2004, ASM Journals

    Dr GERALD B KOUDELKA

  24. DNA-Stimulated Assembly of Oligomeric Bacteriophage 434 Repressor:  Evidence for Cooperative Binding by Recruitment†

    Article • Biochemistry, April 2003, American Chemical Society (ACS)

    Dr GERALD B KOUDELKA

  25. The Role of the Minor Groove Substituents in Indirect Readout of DNA Sequence by 434 Repressor

    Article • Journal of Biological Chemistry, February 2003, American Society for Biochemistry & Molecular Biology (ASBMB)

    Dr GERALD B KOUDELKA

  26. Repressors

    Article • January 2002, Wiley

    Dr GERALD B KOUDELKA

  27. Repression of Transcription Initiation at 434 PR by 434 Repressor: Effects on Transition of a Closed to an Open Promoter Complex

    Article • Journal of Molecular Biology, June 2001, Elsevier

    Dr GERALD B KOUDELKA

  28. Function-Based Selection and Characterization of Base-Pair Polymorphisms in a Promoter of Escherichia coli RNA Polymerase-ς70

    Article • Journal of Bacteriology, May 2001, ASM Journals

    Dr GERALD B KOUDELKA

  29. Cooperativity: Action at a distance in a classic system

    Article • Current Biology, October 2000, Elsevier

    Dr GERALD B KOUDELKA

  30. DNA Sequence Requirements for the Activation of 434 PRMTranscription by 434 Repressor

    Article • DNA and Cell Biology, October 2000, Mary Ann Liebert Inc

    Dr GERALD B KOUDELKA

  31. Mutually Exclusive Utilization of PRand PRM Promoters in Bacteriophage 434 OR

    Article • Journal of Bacteriology, June 2000, ASM Journals

    Dr GERALD B KOUDELKA

  32. Role of the N- and C- Terminal Dimer Interfaces of 434 Repressor in Recognizing Sequence-Dependent DNA Structure

    Article • Journal of Biomolecular Structure and Dynamics, January 2000, Taylor & Francis

    Dr GERALD B KOUDELKA

  33. DNA-induced conformational changes in bacteriophage 434 repressor

    Article • Journal of Molecular Biology, December 1999, Elsevier

    Dr GERALD B KOUDELKA

  34. Carboxyl-terminal domain dimer interface mutant 434 repressors have altered dimerization and DNA binding specificities

    Article • Journal of Molecular Biology, November 1998, Elsevier

    Dr GERALD B KOUDELKA

  35. DNA-based Positive Control Mutants in the Binding Site Sequence of 434 Repressor

    Article • Journal of Biological Chemistry, September 1998, American Society for Biochemistry & Molecular Biology (ASBMB)

    Dr GERALD B KOUDELKA

  36. Recognition of DNA structure by 434 repressor

    Article • Nucleic Acids Research, January 1998, Oxford University Press (OUP)

    Dr GERALD B KOUDELKA

  37. Recognition of Nonconserved Bases in the P22 Operator by P22 Repressor Requires Specific Interactions between Repressor and Conserved Bases

    Article • Journal of Biological Chemistry, August 1997, American Society for Biochemistry & Molecular Biology (ASBMB)

    Dr GERALD B KOUDELKA

  38. Indirect Effects of DNA Sequence on Transcriptional Activation by Prokaryotic DNA Binding Proteins

    Article • January 1997, Springer Science + Business Media

    Dr GERALD B KOUDELKA

  39. How 434 Repressor Discriminates Between O1 and O3: THE INFLUENCE OF CONTACTED AND NONCONTACTED BASE PAIRS

    Article • Journal of Biological Chemistry, January 1995, American Society for Biochemistry & Molecular Biology (ASBMB)

    Dr GERALD B KOUDELKA

  40. Operator Sequence Context Influences Amino Acid-Base-pair Interactions in 434 Repressor-Operator Complexes

    Article • Journal of Molecular Biology, December 1993, Elsevier

    Dr GERALD B KOUDELKA

  41. DNA twisting and the effects of non-contacted bases on affinity of 434 operator for 434 represser

    Article • Nature, January 1992, Springer Science + Business Media

    Dr GERALD B KOUDELKA

  42. Bending of synthetic bacteriophage 434 operators by bacteriophage 434 proteins

    Article • Nucleic Acids Research, January 1991, Oxford University Press (OUP)

    Dr GERALD B KOUDELKA

  43. Recognition of DNA sequences by the repressor of bacteriophage 434

    Article • Biophysical Chemistry, February 1988, Elsevier

    Dr Cynthia Wolberger, Dr GERALD B KOUDELKA

  44. Effect of non-contacted bases on the affinity of 434 operator for 434 repressor and Cro

    Article • Nature, April 1987, Springer Science + Business Media

    Dr GERALD B KOUDELKA

  45. Effects of a single reduction-reoxidation cycle on the kinetics of copper reductions in Rhus laccase

    Article • Biochemistry, April 1984, American Chemical Society (ACS)

    Dr GERALD B KOUDELKA