Leigh A. Knodler

SopD2 is a novel type III secreted effector of Salmonella typhimurium that targets late endocytic compartments upon delivery into host cells (2003)

Brumell, John H., Kujat-Choy, Sonya, Brown, Nathaniel Francis, Vallance, Bruce A., Knodler, Leigh A., Finlay, B. Brett

Salmonella typhimurium is a facultative intracellular pathogen that utilizes two type III secretion systems to deliver virulence proteins into host cells. These proteins, termed effectors, alter host...

SopD2 is a novel type III secreted effector of Salmonella typhimurium that targets late endocytic compartments upon delivery into host cells (2003)

Brumell, John H., Kujat-Choy, Sonya, Brown, Nathaniel Francis, Vallance, Bruce A., Knodler, Leigh A., Finlay, B. Brett

Salmonella typhimurium is a facultative intracellular pathogen that utilizes two type III secretion systems to deliver virulence proteins into host cells. These proteins, termed effectors, alter host...

SopD2 is a novel type III secreted effector of Salmonella typhimurium that targets late endocytic compartments upon delivery into host cells (2003)

Brumell, John H., Kujat-Choy, Sonya, Brown, Nathaniel Francis, Vallance, Bruce A., Knodler, Leigh A., Finlay, B. Brett

Salmonella typhimurium is a facultative intracellular pathogen that utilizes two type III secretion systems to deliver virulence proteins into host cells. These proteins, termed effectors, alter host...

SopD2 is a novel type III secreted effector of Salmonella typhimurium that targets late endocytic compartments upon delivery into host cells (2003)

Brumell, John H., Kujat-Choy, Sonya, Brown, Nathaniel Francis, Vallance, Bruce A., Knodler, Leigh A., Finlay, B. Brett

Salmonella typhimurium is a facultative intracellular pathogen that utilizes two type III secretion systems to deliver virulence proteins into host cells. These proteins, termed effectors, alter host...

The Evolutionary Origins of Eukaryotic Protein Disulfide Isomerase Domains: New Evidence from the Amitochondriate Protist Giardia lamblia (2001)

McArthur, Andrew G., Knodler, Leigh A., Silberman, Jeffrey D., Davids, Barbara J., Gillin, Frances D., Sogin, Mitchell L.

A phylogenetic analysis of protein disulfide isomerase (PDI) domain evolution was performed with the inclusion of recently reported PDIs from the amitochondriate protist Giardia lamblia, yeast PDIs...

Salmonella typhimurium Virulence Genes Are Induced upon Bacterial Invasion into Phagocytic and Nonphagocytic Cells

Pfeifer, Cheryl G., Marcus, Sandra L., Steele-Mortimer, Olivia, Knodler, Leigh A., Finlay, B. Brett

Survival and growth of salmonellae within host cells are important aspects of bacterial virulence. We have developed an assay to identify Salmonella typhimurium genes that are induced inside...

Mice Lacking T and B Lymphocytes Develop Transient Colitis and Crypt Hyperplasia yet Suffer Impaired Bacterial Clearance during Citrobacter rodentium Infection

Vallance, Bruce A., Deng, Wanyin, Knodler, Leigh A., Finlay, B. Brett

The bacterial pathogen Citrobacter rodentium belongs to a family of gastrointestinal pathogens that includes enteropathogenic and enterohemorrhagic Escherichia coli and is the causative agent of...

The Salmonella Effector PipB2 Affects Late Endosome/Lysosome Distribution to Mediate Sif ExtensionV⃞

Knodler, Leigh A., Steele-Mortimer, Olivia

After internalization into mammalian cells, the bacterial pathogen Salmonella enterica resides within a membrane-bound compartment, the Salmonella-containing vacuole (SCV). During its maturation...

Cloning Vectors and Fluorescent Proteins Can Significantly Inhibit Salmonella enterica Virulence in Both Epithelial Cells and Macrophages: Implications for Bacterial Pathogenesis Studies

Knodler, Leigh A., Bestor, Aaron, Ma, Caixia, Hansen-Wester, Imke, Hensel, Michael, Vallance, Bruce A., ...

Plasmid vectors and fluorescent protein reporter systems are commonly used in the study of bacterial pathogenesis. Here we show that they can impair the ability of Salmonella enterica serovar...

Toll-Like Receptor 4 Contributes to Colitis Development but Not to Host Defense during Citrobacter rodentium Infection in Mice

Khan, Mohammed A., Ma, Caixia, Knodler, Leigh A., Valdez, Yanet, Rosenberger, Carrie M., Deng, Wanyin, ...

Enteropathogenic Escherichia coli (EPEC) and enterohemorrhagic E. coli (EHEC) are noninvasive bacterial pathogens that infect their hosts' intestinal epithelium, causing severe diarrheal disease....

Salmonella typhimurium Virulence Genes Are Induced upon Bacterial Invasion into Phagocytic and Nonphagocytic Cells

Pfeifer, Cheryl G., Marcus, Sandra L., Steele-Mortimer, Olivia, Knodler, Leigh A., Finlay, B. Brett

Survival and growth of salmonellae within host cells are important aspects of bacterial virulence. We have developed an assay to identify Salmonella typhimurium genes that are induced inside...

Mice Lacking T and B Lymphocytes Develop Transient Colitis and Crypt Hyperplasia yet Suffer Impaired Bacterial Clearance during Citrobacter rodentium Infection

Vallance, Bruce A., Deng, Wanyin, Knodler, Leigh A., Finlay, B. Brett

The bacterial pathogen Citrobacter rodentium belongs to a family of gastrointestinal pathogens that includes enteropathogenic and enterohemorrhagic Escherichia coli and is the causative agent of...

The Salmonella Effector PipB2 Affects Late Endosome/Lysosome Distribution to Mediate Sif ExtensionV⃞

Knodler, Leigh A., Steele-Mortimer, Olivia

After internalization into mammalian cells, the bacterial pathogen Salmonella enterica resides within a membrane-bound compartment, the Salmonella-containing vacuole (SCV). During its maturation...

Cloning Vectors and Fluorescent Proteins Can Significantly Inhibit Salmonella enterica Virulence in Both Epithelial Cells and Macrophages: Implications for Bacterial Pathogenesis Studies

Knodler, Leigh A., Bestor, Aaron, Ma, Caixia, Hansen-Wester, Imke, Hensel, Michael, Vallance, Bruce A., ...

Plasmid vectors and fluorescent protein reporter systems are commonly used in the study of bacterial pathogenesis. Here we show that they can impair the ability of Salmonella enterica serovar...

Toll-Like Receptor 4 Contributes to Colitis Development but Not to Host Defense during Citrobacter rodentium Infection in Mice

Khan, Mohammed A., Ma, Caixia, Knodler, Leigh A., Valdez, Yanet, Rosenberger, Carrie M., Deng, Wanyin, ...

Enteropathogenic Escherichia coli (EPEC) and enterohemorrhagic E. coli (EHEC) are noninvasive bacterial pathogens that infect their hosts' intestinal epithelium, causing severe diarrheal disease....

The Salmonella effector protein PipB2 is a linker for kinesin-1

Henry, Thomas, Couillault, Carole, Rockenfeller, Patrick, Boucrot, Emmanuel, Dumont, Audrey, Schroeder, Nina, ...

Understanding the mechanisms of Salmonella virulence is an important challenge. The capacity of this intracellular bacterial pathogen to cause diseases depends on the expression of virulence factors...

Salmonella Trafficking is Defined by Continuous Dynamic Interactions with the Endolysosomal System

Drecktrah, Dan, Knodler, Leigh A, Howe, Dale, Steele-Mortimer, Olivia

Following invasion of non-phagocytic host cells, Salmonella enterica survives and replicates within a phagosome-like compartment known as the Salmonella-containing vacuole (SCV). It is now well...

HilD-mediated transcriptional cross-talk between SPI-1 and SPI-2

Bustamante, Víctor H., Martínez, Luary C., Santana, Francisco J., Knodler, Leigh A., Steele-Mortimer, Olivia, Puente, José L.

The acquisition of new genetic traits by horizontal gene transfer and their incorporation into preexisting regulatory networks have been essential events in the evolution of bacterial pathogens. An...

Dynamic Behavior of Salmonella-Induced Membrane Tubules in Epithelial Cells

Drecktrah, Dan, Levine-Wilkinson, Seamus, Dam, Tapen, Winfree, Seth, Knodler, Leigh A, Schroer, Trina A, ...

Salmonella Typhimurium is a facultative intracellular pathogen that causes acute gastroenteritis in man. Intracellular Salmonella survive and replicate within a modified phagosome known as the...

Ubiquitination of the bacterial inositol phosphatase, SopB, regulates its biological activity at the plasma membrane

Knodler, Leigh A, Winfree, Seth, Drecktrah, Dan, Ireland, Robin, Steele-Mortimer, Olivia

The Salmonella type III effector, SopB, is an inositol polyphosphate phosphatase that modulates host cell phospholipids at the plasma membrane and the nascent Salmonella-containing vacuole (SCV)....