J. M. Bartkus

Identification of a Mutation Associated with Erythromycin Resistance in Bordetella pertussis: Implications for Surveillance of Antimicrobial Resistance

Bartkus, J. M., Juni, B. A., Ehresmann, K., Miller, C. A., Sanden, G. N., Cassiday, P. K., ...

Erythromycin treatment failures and in vitro resistance of Bordetella pertussis have been reported on several occasions in the past few years, but the mechanism of resistance has not been described....

Transcription attenuation-mediated control of leu operon expression: influence of the number of Leu control codons.

Bartkus, J M, Tyler, B, Calvo, J M

Four adjacent Leu codons within the leu leader RNA are critically important in transcription attenuation-mediated control of leu operon expression in Salmonella typhimurium and Escherichia coli (P....

Construction of an improved D-arabinose pathway in Escherichia coli K-12.

Bartkus, J M, Mortlock, R P

A ribitol catabolic pathway was transduced into Escherichia coli K-12 in an effort to determine whether the ribitol pathway would confer an advantage to D-arabinose-positive mutants growing on...

Isolation of a mutation resulting in constitutive synthesis of L-fucose catabolic enzymes.

Bartkus, J M, Mortlock, R P

A ribitol-positive transductant of Escherichia coli K-12, JM2112, was used to facilitate the isolation and identification of mutations affecting the L-fucose catabolic pathway. Analysis of...

Transcriptional regulation of the protective antigen gene of Bacillus anthracis.

Bartkus, J M, Leppla, S H

Bicarbonate is required for production of the major virulence factors, the toxins and capsule, of Bacillus anthracis. In this study we examined the basis for stimulation of production of protective...

Transcription attenuation in Salmonella typhimurium: the significance of rare leucine codons in the leu leader.

Carter, P W, Bartkus, J M, Calvo, J M

The leucine operon of Salmonella typhimurium is controlled by a transcription attenuation mechanism. Four adjacent leucine codons within a 160-nucleotide leu leader RNA are thought to play a central...

Identification of a Mutation Associated with Erythromycin Resistance in Bordetella pertussis: Implications for Surveillance of Antimicrobial Resistance

Bartkus, J. M., Juni, B. A., Ehresmann, K., Miller, C. A., Sanden, G. N., Cassiday, P. K., ...

Erythromycin treatment failures and in vitro resistance of Bordetella pertussis have been reported on several occasions in the past few years, but the mechanism of resistance has not been described....

Transcription attenuation-mediated control of leu operon expression: influence of the number of Leu control codons.

Bartkus, J M, Tyler, B, Calvo, J M

Four adjacent Leu codons within the leu leader RNA are critically important in transcription attenuation-mediated control of leu operon expression in Salmonella typhimurium and Escherichia coli (P....

Construction of an improved D-arabinose pathway in Escherichia coli K-12.

Bartkus, J M, Mortlock, R P

A ribitol catabolic pathway was transduced into Escherichia coli K-12 in an effort to determine whether the ribitol pathway would confer an advantage to D-arabinose-positive mutants growing on...

Isolation of a mutation resulting in constitutive synthesis of L-fucose catabolic enzymes.

Bartkus, J M, Mortlock, R P

A ribitol-positive transductant of Escherichia coli K-12, JM2112, was used to facilitate the isolation and identification of mutations affecting the L-fucose catabolic pathway. Analysis of...

Transcriptional regulation of the protective antigen gene of Bacillus anthracis.

Bartkus, J M, Leppla, S H

Bicarbonate is required for production of the major virulence factors, the toxins and capsule, of Bacillus anthracis. In this study we examined the basis for stimulation of production of protective...

Transcription attenuation in Salmonella typhimurium: the significance of rare leucine codons in the leu leader.

Carter, P W, Bartkus, J M, Calvo, J M

The leucine operon of Salmonella typhimurium is controlled by a transcription attenuation mechanism. Four adjacent leucine codons within a 160-nucleotide leu leader RNA are thought to play a central...

Comparison of Multiple-Locus Variable-Number Tandem Repeat Analysis, Pulsed-Field Gel Electrophoresis, and Phage Typing for Subtype Analysis of Salmonella enterica Serotype Enteritidisâ–¿

Boxrud, D., Pederson-Gulrud, K., Wotton, J., Medus, C., Lyszkowicz, E., Besser, J., ...

Strain subtyping is an important tool for detection of outbreaks caused by Salmonella enterica serotype Enteritidis. Current subtyping methods, however, yield less than optimal subtype...