Judith A. Johnson

The capsule polysaccharide structure and biogenesis for non-O1 Vibrio cholerae NRT36S: genes are embedded in the LPS region (2007)

Chen, Yuansha, Bystricky, Peter, Adeyeye, Jacob, Panigrahi, Pinaki, Ali, Afsar, Johnson, Judith A, ...

Abstract Background In V. cholerae , the biogenesis of capsule polysaccharide is poorly understood. The elucidation of capsule structure and biogenesis is critical to understanding the evolution of...

The capsule polysaccharide structure and biogenesis for non-O1 Vibrio cholerae NRT36S: genes are embedded in the LPS region (2007)

Chen, Yuansha, Bystricky, Peter, Adeyeye, Jacob, Panigrahi, Pinaki, Ali, Afsar, Johnson, Judith A, ...

Abstract Background In V. cholerae , the biogenesis of capsule polysaccharide is poorly understood. The elucidation of capsule structure and biogenesis is critical to understanding the evolution of...

Multilocus sequence typing versus pulsed-field gel electrophoresis for characterization of extended-spectrum beta-lactamase-producing Escherichia coli isolates. (2005)

Nemoy, Lucia L., Kotetishvili, Mamuka, Tigno, Justine, Keefer-Norris, Ananda, Harris, Anthony D., Perencevich, Eli N., ...

Extended-spectrum beta-lactamase (ESBL)-producing Escherichia coli strains are emerging pathogens. Molecular typing of ESBL-producing E. coli is useful for surveillance purposes, to monitor outbreaks...

Plasmid-mediated, carbapenem-hydrolysing {beta}-lactamase, KPC-2, in Klebsiella pneumoniae isolates (2003)

Smith Moland, Ellen, Hanson, Nancy D., Herrera, Vicki L., Black, Jennifer A., Lockhart, Thomas J., Hossain, Ashfaque, ...

Four isolates of Klebsiella pneumoniae obtained from patients at a Maryland medical centre exhibited reduced susceptibility to carbapenems and were found to produce the novel, class A,...

Plasmid-mediated, carbapenem-hydrolysing {beta}-lactamase, KPC-2, in Klebsiella pneumoniae isolates (2003)

Smith Moland, Ellen, Hanson, Nancy D., Herrera, Vicki L., Black, Jennifer A., Lockhart, Thomas J., Hossain, Ashfaque, ...

Four isolates of Klebsiella pneumoniae obtained from patients at a Maryland medical centre exhibited reduced susceptibility to carbapenems and were found to produce the novel, class A,...

Plasmid-mediated, carbapenem-hydrolysing {beta}-lactamase, KPC-2, in Klebsiella pneumoniae isolates (2003)

Smith Moland, Ellen, Hanson, Nancy D., Herrera, Vicki L., Black, Jennifer A., Lockhart, Thomas J., Hossain, Ashfaque, ...

Four isolates of Klebsiella pneumoniae obtained from patients at a Maryland medical centre exhibited reduced susceptibility to carbapenems and were found to produce the novel, class A,...

Using Internet-based Cooperative Learning Projects to Reduce Class Size and Improve English Education (2002)

JOHNSON, Judith A.

Reduction in class size in order to increase the quality and amount of time students used English was achieved through the use of Internet-based group projects. During the semester course,students...

Cholera in Lima, Peru, Correlates with Prior Isolation of Vibrio cholerae from the Environment (1997)

Franco, Augsto A., Fix, Alan D., Prada, Ana, Paredes, Eva, Palomino, Juan C., Wright, Anita C., ...

The authors utilized a recently developed DNA probe technique to obtain quantitative data on occurrence of Vibrio cholerae in samples collected monthly from 12 environmental sites in Lima, Peru, from...

A Model State Act to Authorize and Regulate Physician-Assisted Suicide (1996)

Baron, Charles H., Bergstresser, Clyde, Brock, Dan W., Cole, Garrick F., Dorfman, Nancy S., Johnson, Judith A., ...

Despite laws in many states prohibiting assisted suicide, an unknown but significant number of people each year commit suicide with the aid of a physician. In recent years, the phenomenon of...

A Model State Act to Authorize and Regulate Physician-Assisted Suicide (1996)

Baron, Charles H., Bergstresser, Clyde, Brock, Dan W., Cole, Garrick F., Dorfman, Nancy S., Johnson, Judith A., ...

Despite laws in many states prohibiting assisted suicide, an unknown but significant number of people each year commit suicide with the aid of a physician. In recent years, the phenomenon of...

A Vibrio cholerae pathogenicity island associated with epidemic and pandemic strains

Karaolis, David K. R., Johnson, Judith A., Bailey, Camella C., Boedeker, Edgar C., Kaper, James B., Reeves, Peter R.

The bacterial species Vibrio cholerae includes harmless aquatic strains as well as strains capable of causing epidemics and global pandemics of cholera. While investigating the relationship between...

High-Frequency Recovery of Quinupristin-Dalfopristin-Resistant Enterococcus faecium Isolates from the Poultry Production Environment

Hayes, Joshua R., McIntosh, Angela C., Qaiyumi, Sadaf, Johnson, Judith A., English, Linda L., Carr, Lewis E., ...

The occurrence of resistance to the streptogramin quinupristin-dalfopristin in Enterococcus faecium isolates from chickens on the Eastern Seaboard, was evaluated. Quinupristin-dalfopristin resistance...

Salmonella enterica Serovar Typhimurium DT104 Displays a Rugose Phenotype†

Anriany, Yuda A., Weiner, Ronald M., Johnson, Judith A., De Rezende, Christian E., Joseph, Sam W.

Rugose phenotypes, such as those observed in Vibrio cholerae, have increased resistance to chlorine, oxidative stress, and complement-mediated killing. In this study we identified and defined a...

Cloning and Sequencing of the Genes Downstream of the wbf Gene Cluster of Vibrio cholerae Serogroup O139 and Analysis of the Junction Genes in Other Serogroups

Sozhamannan, Shanmuga, Deng, Ying Kang, Li, Manrong, Sulakvelidze, Alexander, Kaper, James B., Johnson, Judith A., ...

The DNA sequence of the O-antigen biosynthesis cluster (wbf) of a recently emergent pathogen, Vibrio cholerae serogroup O139, has been determined. Here we report the sequence of the genes downstream...

Mutations in the Extracellular Protein Secretion Pathway Genes (eps) Interfere with Rugose Polysaccharide Production in and Motility of Vibrio cholerae

Ali, Afsar, Johnson, Judith A., Franco, Augusto A., Metzger, Daniel J., Connell, Terry D., Morris, J. Glenn, ...

Vibrio cholerae is the causal organism of the diarrheal disease cholera. The rugose variant of V. cholerae is associated with the secretion of an exopolysaccharide. The rugose polysaccharide has been...

Sequence Analysis of TnphoA Insertion Sites in Vibrio cholerae Mutants Defective in Rugose Polysaccharide Production

Ali, Afsar, Hayat Mahmud, Zahid, Morris, J. Glenn, Sozhamannan, Shanmuga, Johnson, Judith A.

Vibrio cholerae can switch from a smooth to a wrinkled or rugose colony phenotype characterized by the secretion of a polysaccharide that enables the bacteria to survive harsh environmental...

Phylogeny of Vibrio cholerae Based on recA Sequence

Stine, O. Colin, Sozhamannan, Shanmuga, Gou, Qing, Zheng, Siqen, Morris, J. Glenn, Johnson, Judith A.

We sequenced a 705-bp fragment of the recA gene from 113 Vibrio cholerae strains and closely related species. One hundred eighty-seven nucleotides were phylogenetically informative, 55 were...

Animal antibiotic use has an early but important impact on the emergence of antibiotic resistance in human commensal bacteria

Smith, David L., Harris, Anthony D., Johnson, Judith A., Silbergeld, Ellen K., Morris, J. Glenn

Antibiotic use is known to promote the development of antibiotic resistance, but substantial controversy exists about the impact of agricultural antibiotic use (AAU) on the subsequent emergence of...

Risk Factors for Piperacillin-Tazobactam-Resistant Pseudomonas aeruginosa among Hospitalized Patients

Harris, Anthony D., Perencevich, Eli, Roghmann, Mary-Claire, Morris, Glenn, Kaye, Keith S., Johnson, Judith A.

Antimicrobial resistance is an emerging problem with Pseudomonas aeruginosa. This study determined risk factors for the recovery of piperacillin-tazobactam-resistant P. aeruginosa from clinical...

Sugars Inhibit Expression of the Rugose Phenotype of Vibrio cholerae

Ali, Afsar, Morris, J. Glenn, Johnson, Judith A.

Vibrio cholerae can shift to a rugose colony phenotype, reflecting expression of an exopolysaccharide that provides protection against a variety of environmental stresses. Our data indicate that...

Multilocus Sequence Typing versus Pulsed-Field Gel Electrophoresis for Characterization of Extended-Spectrum Beta-Lactamase-Producing Escherichia coli Isolates

Nemoy, Lucia L., Kotetishvili, Mamuka, Tigno, Justine, Keefer-Norris, Ananda, Harris, Anthony D., Perencevich, Eli N., ...

Extended-spectrum beta-lactamase (ESBL)-producing Escherichia coli strains are emerging pathogens. Molecular typing of ESBL-producing E. coli is useful for surveillance purposes, to monitor outbreaks...

A Vibrio cholerae pathogenicity island associated with epidemic and pandemic strains

Karaolis, David K. R., Johnson, Judith A., Bailey, Camella C., Boedeker, Edgar C., Kaper, James B., Reeves, Peter R.

The bacterial species Vibrio cholerae includes harmless aquatic strains as well as strains capable of causing epidemics and global pandemics of cholera. While investigating the relationship between...

High-Frequency Recovery of Quinupristin-Dalfopristin-Resistant Enterococcus faecium Isolates from the Poultry Production Environment

Hayes, Joshua R., McIntosh, Angela C., Qaiyumi, Sadaf, Johnson, Judith A., English, Linda L., Carr, Lewis E., ...

The occurrence of resistance to the streptogramin quinupristin-dalfopristin in Enterococcus faecium isolates from chickens on the Eastern Seaboard, was evaluated. Quinupristin-dalfopristin resistance...

Salmonella enterica Serovar Typhimurium DT104 Displays a Rugose Phenotype†

Anriany, Yuda A., Weiner, Ronald M., Johnson, Judith A., De Rezende, Christian E., Joseph, Sam W.

Rugose phenotypes, such as those observed in Vibrio cholerae, have increased resistance to chlorine, oxidative stress, and complement-mediated killing. In this study we identified and defined a...

Cloning and Sequencing of the Genes Downstream of the wbf Gene Cluster of Vibrio cholerae Serogroup O139 and Analysis of the Junction Genes in Other Serogroups

Sozhamannan, Shanmuga, Deng, Ying Kang, Li, Manrong, Sulakvelidze, Alexander, Kaper, James B., Johnson, Judith A., ...

The DNA sequence of the O-antigen biosynthesis cluster (wbf) of a recently emergent pathogen, Vibrio cholerae serogroup O139, has been determined. Here we report the sequence of the genes downstream...

Mutations in the Extracellular Protein Secretion Pathway Genes (eps) Interfere with Rugose Polysaccharide Production in and Motility of Vibrio cholerae

Ali, Afsar, Johnson, Judith A., Franco, Augusto A., Metzger, Daniel J., Connell, Terry D., Morris, J. Glenn, ...

Vibrio cholerae is the causal organism of the diarrheal disease cholera. The rugose variant of V. cholerae is associated with the secretion of an exopolysaccharide. The rugose polysaccharide has been...

Sequence Analysis of TnphoA Insertion Sites in Vibrio cholerae Mutants Defective in Rugose Polysaccharide Production

Ali, Afsar, Hayat Mahmud, Zahid, Morris, J. Glenn, Sozhamannan, Shanmuga, Johnson, Judith A.

Vibrio cholerae can switch from a smooth to a wrinkled or rugose colony phenotype characterized by the secretion of a polysaccharide that enables the bacteria to survive harsh environmental...

Phylogeny of Vibrio cholerae Based on recA Sequence

Stine, O. Colin, Sozhamannan, Shanmuga, Gou, Qing, Zheng, Siqen, Morris, J. Glenn, Johnson, Judith A.

We sequenced a 705-bp fragment of the recA gene from 113 Vibrio cholerae strains and closely related species. One hundred eighty-seven nucleotides were phylogenetically informative, 55 were...

Animal antibiotic use has an early but important impact on the emergence of antibiotic resistance in human commensal bacteria

Smith, David L., Harris, Anthony D., Johnson, Judith A., Silbergeld, Ellen K., Morris, J. Glenn

Antibiotic use is known to promote the development of antibiotic resistance, but substantial controversy exists about the impact of agricultural antibiotic use (AAU) on the subsequent emergence of...

Risk Factors for Piperacillin-Tazobactam-Resistant Pseudomonas aeruginosa among Hospitalized Patients

Harris, Anthony D., Perencevich, Eli, Roghmann, Mary-Claire, Morris, Glenn, Kaye, Keith S., Johnson, Judith A.

Antimicrobial resistance is an emerging problem with Pseudomonas aeruginosa. This study determined risk factors for the recovery of piperacillin-tazobactam-resistant P. aeruginosa from clinical...

Sugars Inhibit Expression of the Rugose Phenotype of Vibrio cholerae

Ali, Afsar, Morris, J. Glenn, Johnson, Judith A.

Vibrio cholerae can shift to a rugose colony phenotype, reflecting expression of an exopolysaccharide that provides protection against a variety of environmental stresses. Our data indicate that...

Multilocus Sequence Typing versus Pulsed-Field Gel Electrophoresis for Characterization of Extended-Spectrum Beta-Lactamase-Producing Escherichia coli Isolates

Nemoy, Lucia L., Kotetishvili, Mamuka, Tigno, Justine, Keefer-Norris, Ananda, Harris, Anthony D., Perencevich, Eli N., ...

Extended-spectrum beta-lactamase (ESBL)-producing Escherichia coli strains are emerging pathogens. Molecular typing of ESBL-producing E. coli is useful for surveillance purposes, to monitor outbreaks...

The Genome of Non-O1 Vibrio cholerae NRT36S Demonstrates the Presence of Pathogenic Mechanisms That Are Distinct from Those of O1 Vibrio cholerae▿

Chen, Yuansha, Johnson, Judith A., Pusch, Gordon D., Morris, J. Glenn, Stine, O. Colin

Vibrio cholerae NRT36S is a non-cholera toxin-producing, non-O1 strain that causes diarrhea in volunteers. The genome of NRT36S was sequenced to create a draft containing 174 contigs plus the...

Multilocus Sequence Typing Compared to Pulsed-Field Gel Electrophoresis for Molecular Typing of Pseudomonas aeruginosa▿

Johnson, Jennifer K., Arduino, Sonia M., Stine, O. Colin, Johnson, Judith A., Harris, Anthony D.

For hospital epidemiologists, determining a system of typing that is discriminatory is essential for measuring the effectiveness of infection control measures. In situations in which the incidence of...