Publications
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A novel dnaC mutation that suppresses priB rep mutant phenotypes in Escherichia coli K-12.. Mol Microbiol. 60(4):973-83.
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2006. Mosaic structure of plasmids from natural populations of Escherichia coli.. Genetics. 143(3):1091-100.
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1996. Evolutionary comparisons of RecA-like proteins across all major kingdoms of living organisms.. J Mol Evol. 44(5):528-41.
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1997. UvrD limits the number and intensities of RecA-green fluorescent protein structures in Escherichia coli K-12.. J Bacteriol. 189(7):2915-20.
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2007. UvrD303, a hyperhelicase mutant that antagonizes RecA-dependent SOS expression by a mechanism that depends on its C terminus.. J Bacteriol. 191(5):1429-38.
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2009. XthA (Exonuclease III) regulates loading of RecA onto DNA substrates in log phase Escherichia coli cells.. Mol Microbiol. 67(1):88-101.
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2008. A comprehensive alanine scanning mutagenesis of the Escherichia coli transcriptional activator SoxS: identifying amino acids important for DNA binding and transcription activation.. J Mol Biol. 322(2):237-57.
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2002. Two functions of the C-terminal domain of Escherichia coli Rob: mediating "sequestration-dispersal" as a novel off-on switch for regulating Rob's activity as a transcription activator and preventing degradation of Rob by Lon protease.. J Mol Biol. 388(3):415-30.
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2009. Proteolytic degradation of Escherichia coli transcription activators SoxS and MarA as the mechanism for reversing the induction of the superoxide (SoxRS) and multiple antibiotic resistance (Mar) regulons.. Mol Microbiol. 51(6):1801-16.
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2004. Genetic evidence for pre-recruitment as the mechanism of transcription activation by SoxS of Escherichia coli: the dominance of DNA binding mutations of SoxS.. J Mol Biol. 344(1):1-10.
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2004. Systematic mutagenesis of the DNA binding sites for SoxS in the Escherichia coli zwf and fpr promoters: identifying nucleotides required for DNA binding and transcription activation.. Mol Microbiol. 40(5):1141-54.
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2001. Characterization of TetD as a transcriptional activator of a subset of genes of the Escherichia coli SoxS/MarA/Rob regulon.. Mol Microbiol. 56(4):1103-17.
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2005. Evidence for "pre-recruitment" as a new mechanism of transcription activation in Escherichia coli: the large excess of SoxS binding sites per cell relative to the number of SoxS molecules per cell.. Biochem Biophys Res Commun. 291(4):979-86.
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2002. Inducible protein degradation in Bacillus subtilis using heterologous peptide tags and adaptor proteins to target substrates to the protease ClpXP.. Mol Microbiol. 70(4):1012-25.
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2008. RecA-mediated SOS induction requires an extended filament conformation but no ATP hydrolysis.. Mol Microbiol. 69(5):1165-79.
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2008. recO and recR mutations delay induction of the SOS response in Escherichia coli.. Mol Gen Genet. 246(2):254-8.
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2004. Suppression of constitutive SOS expression by recA4162 (I298V) and recA4164 (L126V) requires UvrD and RecX in Escherichia coli K-12.. Mol Microbiol. 73(2):226-39.
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2009. RecA4142 causes SOS constitutive expression by loading onto reversed replication forks in Escherichia coli K-12.. J Bacteriol. 192(10):2575-82.
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2010. Differential requirements of two recA mutants for constitutive SOS expression in Escherichia coli K-12.. PLoS One. 3(12):e4100.
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2008. A hand-off mechanism for primosome assembly in replication restart.. Mol Cell. 26(6):781-93.
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2007. Structure of the SSB-DNA polymerase III interface and its role in DNA replication.. EMBO J. 30(20):4236-47.
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2011. A dnaT mutant with phenotypes similar to those of a priA2::kan mutant in Escherichia coli K-12.. Genetics. 167(2):569-78.
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2004. Measurement of SOS expression in individual Escherichia coli K-12 cells using fluorescence microscopy.. Mol Microbiol. 53(5):1343-57.
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2004. Effects of mutations involving cell division, recombination, and chromosome dimer resolution on a priA2::kan mutant.. Proc Natl Acad Sci U S A. 98(15):8203-10.
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Department of Microbiology