Mark E. Wickham

Oral infection of mice with Salmonella entericaserovar Typhimurium causes meningitis and infection of the brain (2007)

Wickham, Mark E, Brown, Nat F, Provias, John, Finlay, B Brett, Coombes, Brian K

Abstract Background Salmonella meningitis is a rare and serious infection of the central nervous system following acute Salmonella enterica sepsis. For this pathogen, no appropriate model has been...

Oral infection of mice with Salmonella enterica serovar Typhimurium causes meningitis and infection of the brain (2007)

Wickham, Mark E., Brown, Nathaniel Francis, Provias, John, Finlay, B. Brett, Coombes, Brian K.

BACKGROUND: Salmonella meningitis is a rare and serious infection of the central nervous system following acute Salmonella enterica sepsis. For this pathogen, no appropriate model has been reported...

Oral infection of mice with Salmonella enterica serovar Typhimurium causes meningitis and infection of the brain (2007)

Wickham, Mark E., Brown, Nathaniel Francis, Provias, John, Finlay, B. Brett, Coombes, Brian K.

BACKGROUND: Salmonella meningitis is a rare and serious infection of the central nervous system following acute Salmonella enterica sepsis. For this pathogen, no appropriate model has been reported...

Virulence is positively selected by transmission success between mammalian hosts (2007)

Wickham, Mark E., Brown, Nathaniel Francis, Boyle, Erin C., Coombes, Brian K., Finlay, B. Brett

Virulence, defined as damage to the host, is a trait of pathogens that evolutionary theory suggests benefits the pathogen in the ''struggle for existence'' [1]. Pathogens employ virulence mechanisms...

SseL is a salmonella-specific translocated effector integrated into the SsrB-controlled salmonella pathogenicity island 2 type III secretion system (2007)

Coombes, Brian K., Lowden, Michael J., Bishop, Jenna L., Wickham, Mark E., Brown, Nathaniel Francis, Duong, Nancy, ...

Bacterial pathogens use horizontal gene transfer to acquire virulence factors that influence host colonization, alter virulence traits, and ultimately shape the outcome of disease following...

Virulence is positively selected by transmission success between mammalian hosts (2007)

Wickham, Mark E., Brown, Nathaniel Francis, Boyle, Erin C., Coombes, Brian K., Finlay, B. Brett

Virulence, defined as damage to the host, is a trait of pathogens that evolutionary theory suggests benefits the pathogen in the ''struggle for existence'' [1]. Pathogens employ virulence mechanisms...

SseL is a salmonella-specific translocated effector integrated into the SsrB-controlled salmonella pathogenicity island 2 type III secretion system (2007)

Coombes, Brian K., Lowden, Michael J., Bishop, Jenna L., Wickham, Mark E., Brown, Nathaniel Francis, Duong, Nancy, ...

Bacterial pathogens use horizontal gene transfer to acquire virulence factors that influence host colonization, alter virulence traits, and ultimately shape the outcome of disease following...

Virulence is positively selected by transmission success between mammalian hosts (2007)

Wickham, Mark E., Brown, Nathaniel Francis, Boyle, Erin C., Coombes, Brian K., Finlay, B. Brett

Virulence, defined as damage to the host, is a trait of pathogens that evolutionary theory suggests benefits the pathogen in the ''struggle for existence'' [1]. Pathogens employ virulence mechanisms...

SseL is a salmonella-specific translocated effector integrated into the SsrB-controlled salmonella pathogenicity island 2 type III secretion system (2007)

Coombes, Brian K., Lowden, Michael J., Bishop, Jenna L., Wickham, Mark E., Brown, Nathaniel Francis, Duong, Nancy, ...

Bacterial pathogens use horizontal gene transfer to acquire virulence factors that influence host colonization, alter virulence traits, and ultimately shape the outcome of disease following...

Oral infection of mice with Salmonella enterica serovar Typhimurium causes meningitis and infection of the brain (2007)

Wickham, Mark E., Brown, Nathaniel Francis, Provias, John, Finlay, B. Brett, Coombes, Brian K.

BACKGROUND: Salmonella meningitis is a rare and serious infection of the central nervous system following acute Salmonella enterica sepsis. For this pathogen, no appropriate model has been reported...

Virulence is positively selected by transmission success between mammalian hosts (2007)

Wickham, Mark E., Brown, Nathaniel Francis, Boyle, Erin C., Coombes, Brian K., Finlay, B. Brett

Virulence, defined as damage to the host, is a trait of pathogens that evolutionary theory suggests benefits the pathogen in the ''struggle for existence'' [1]. Pathogens employ virulence mechanisms...

SseL is a salmonella-specific translocated effector integrated into the SsrB-controlled salmonella pathogenicity island 2 type III secretion system (2007)

Coombes, Brian K., Lowden, Michael J., Bishop, Jenna L., Wickham, Mark E., Brown, Nathaniel Francis, Duong, Nancy, ...

Bacterial pathogens use horizontal gene transfer to acquire virulence factors that influence host colonization, alter virulence traits, and ultimately shape the outcome of disease following...

Crossing the Line: Selection and Evolution of Virulence Traits (2006)

Nat F. Brown, Mark E. Wickham, Brian K. Coombes, B. Brett Finlay

The evolution of pathogens presents a paradox. Pathogenic species are often absolutely dependent on their host species for their propagation through evolutionary time, yet the pathogenic lifestyle...

Bacterial genetic determinants of non-O157 STEC outbreaks and hemolytic-uremic syndrome after infection (2006)

Wickham, Mark E., Lupp, Claudia, Mascarenhas, Mariola, Vazquez, Alejandra, Coombes, Brian K., Brown, Nathaniel Francis, ...

Although O157:H7 Shiga toxin–producing Escherichia coli (STEC) are the predominant cause of hemolytic-uremic syndrome (HUS) in the world, non-O157:H7 serotypes are a medically important cause of...

Bacterial genetic determinants of non-O157 STEC outbreaks and hemolytic-uremic syndrome after infection (2006)

Wickham, Mark E., Lupp, Claudia, Mascarenhas, Mariola, Vazquez, Alejandra, Coombes, Brian K., Brown, Nathaniel Francis, ...

Although O157:H7 Shiga toxin–producing Escherichia coli (STEC) are the predominant cause of hemolytic-uremic syndrome (HUS) in the world, non-O157:H7 serotypes are a medically important cause of...

Bacterial genetic determinants of non-O157 STEC outbreaks and hemolytic-uremic syndrome after infection (2006)

Wickham, Mark E., Lupp, Claudia, Mascarenhas, Mariola, Vazquez, Alejandra, Coombes, Brian K., Brown, Nathaniel Francis, ...

Although O157:H7 Shiga toxin–producing Escherichia coli (STEC) are the predominant cause of hemolytic-uremic syndrome (HUS) in the world, non-O157:H7 serotypes are a medically important cause of...

Bacterial genetic determinants of non-O157 STEC outbreaks and hemolytic-uremic syndrome after infection (2006)

Wickham, Mark E., Lupp, Claudia, Mascarenhas, Mariola, Vazquez, Alejandra, Coombes, Brian K., Brown, Nathaniel Francis, ...

Although O157:H7 Shiga toxin–producing Escherichia coli (STEC) are the predominant cause of hemolytic-uremic syndrome (HUS) in the world, non-O157:H7 serotypes are a medically important cause of...

Negative regulation of Salmonella pathogenicity island 2 is required for contextual control of virulence during typhoid (2005)

Coombes, Brian K., Lowden, Michael J., Wickham, Mark E., Brown, Nathaniel Francis, Finlay, B. Brett

Short RNA regulatory molecules, microRNAs, and short interfering RNAs participate in a range of developmental gene networks by base-pairing with their target sequences. Consistent with these...

Genetic and molecular analysis of GogB, a phage-encoded type III-secreted substrate in Salmonella enterica serovar typhimurium with autonomous expression from its associated phage (2005)

Coombes, Brian K., Wickham, Mark E., Brown, Nathaniel Francis, Lemire, Sebastien, Bossi, Lionello, Hsiao, William W. L., ...

Salmonella enterica serovar Typhimurium is lysogenized by several temperate bacteriophages that encode lysogenic conversion genes, which can act as virulence factors during infection and contribute...

Negative regulation of Salmonella pathogenicity island 2 is required for contextual control of virulence during typhoid (2005)

Coombes, Brian K., Lowden, Michael J., Wickham, Mark E., Brown, Nathaniel Francis, Finlay, B. Brett

Short RNA regulatory molecules, microRNAs, and short interfering RNAs participate in a range of developmental gene networks by base-pairing with their target sequences. Consistent with these...

Genetic and molecular analysis of GogB, a phage-encoded type III-secreted substrate in Salmonella enterica serovar typhimurium with autonomous expression from its associated phage (2005)

Coombes, Brian K., Wickham, Mark E., Brown, Nathaniel Francis, Lemire, Sebastien, Bossi, Lionello, Hsiao, William W. L., ...

Salmonella enterica serovar Typhimurium is lysogenized by several temperate bacteriophages that encode lysogenic conversion genes, which can act as virulence factors during infection and contribute...

Negative regulation of Salmonella pathogenicity island 2 is required for contextual control of virulence during typhoid (2005)

Coombes, Brian K., Lowden, Michael J., Wickham, Mark E., Brown, Nathaniel Francis, Finlay, B. Brett

Short RNA regulatory molecules, microRNAs, and short interfering RNAs participate in a range of developmental gene networks by base-pairing with their target sequences. Consistent with these...

Genetic and molecular analysis of GogB, a phage-encoded type III-secreted substrate in Salmonella enterica serovar typhimurium with autonomous expression from its associated phage (2005)

Coombes, Brian K., Wickham, Mark E., Brown, Nathaniel Francis, Lemire, Sebastien, Bossi, Lionello, Hsiao, William W. L., ...

Salmonella enterica serovar Typhimurium is lysogenized by several temperate bacteriophages that encode lysogenic conversion genes, which can act as virulence factors during infection and contribute...

Negative regulation of Salmonella pathogenicity island 2 is required for contextual control of virulence during typhoid (2005)

Coombes, Brian K., Lowden, Michael J., Wickham, Mark E., Brown, Nathaniel Francis, Finlay, B. Brett

Short RNA regulatory molecules, microRNAs, and short interfering RNAs participate in a range of developmental gene networks by base-pairing with their target sequences. Consistent with these...

Genetic and molecular analysis of GogB, a phage-encoded type III-secreted substrate in Salmonella enterica serovar typhimurium with autonomous expression from its associated phage (2005)

Coombes, Brian K., Wickham, Mark E., Brown, Nathaniel Francis, Lemire, Sebastien, Bossi, Lionello, Hsiao, William W. L., ...

Salmonella enterica serovar Typhimurium is lysogenized by several temperate bacteriophages that encode lysogenic conversion genes, which can act as virulence factors during infection and contribute...

Plasmodium falciparum Homologue of the Genes for Plasmodium vivax and Plasmodium yoelii Adhesive Proteins, Which Is Transcribed but Not Translated

Taylor, Helen M., Triglia, Tony, Thompson, Jenny, Sajid, Mohammed, Fowler, Ruth, Wickham, Mark E., ...

The 235-kDa family of rhoptry proteins in Plasmodium yoelii and the two reticulocyte binding proteins of P. vivax comprise a family of proteins involved in host cell selection and erythrocyte...

Trafficking and assembly of the cytoadherence complex in Plasmodium falciparum-infected human erythrocytes

Wickham, Mark E., Rug, Melanie, Ralph, Stuart A., Klonis, Nectarios, McFadden, Geoffrey I., Tilley, Leann, ...

After invading human erythrocytes, the malarial parasite Plasmodium falciparum, initiates a remarkable process of secreting proteins into the surrounding erythrocyte cytoplasm and plasma membrane....

Targeted mutagenesis of Plasmodium falciparum erythrocyte membrane protein 3 (PfEMP3) disrupts cytoadherence of malaria-infected red blood cells

Waterkeyn, Jacqueline G., Wickham, Mark E., Davern, Kathleen M., Cooke, Brian M., Coppel, Ross L., Reeder, John C., ...

Adhesion of parasite-infected red blood cells to the vascular endothelium is a critical event in the pathogenesis of malaria caused by Plasmodium falciparum. Adherence is mediated by the variant...

Correct Promoter Control Is Needed for Trafficking of the Ring-Infected Erythrocyte Surface Antigen to the Host Cytosol in Transfected Malaria Parasites

Rug, Melanie, Wickham, Mark E., Foley, Michael, Cowman, Alan F., Tilley, Leann

Following invasion of human erythrocytes, the malaria parasite, Plasmodium falciparum, exports proteins beyond the confines of its own plasma membrane to modify the properties of the host red cell...

Crossing the Line: Selection and Evolution of Virulence Traits

Brown, Nat F, Wickham, Mark E, Coombes, Brian K, Finlay, B. Brett

The evolution of pathogens presents a paradox. Pathogenic species are often absolutely dependent on their host species for their propagation through evolutionary time, yet the pathogenic lifestyle...

Negative regulation of Salmonella pathogenicity island 2 is required for contextual control of virulence during typhoid

Coombes, Brian K., Wickham, Mark E., Lowden, Michael J., Brown, Nat F., Finlay, B. Brett

Salmonella enterica relies on a type III secretion system encoded in Salmonella pathogenicity island-2 (SPI-2) to survive and replicate within macrophages at systemic sites during typhoid. SPI-2...

Plasmodium falciparum Homologue of the Genes for Plasmodium vivax and Plasmodium yoelii Adhesive Proteins, Which Is Transcribed but Not Translated

Taylor, Helen M., Triglia, Tony, Thompson, Jenny, Sajid, Mohammed, Fowler, Ruth, Wickham, Mark E., ...

The 235-kDa family of rhoptry proteins in Plasmodium yoelii and the two reticulocyte binding proteins of P. vivax comprise a family of proteins involved in host cell selection and erythrocyte...

Trafficking and assembly of the cytoadherence complex in Plasmodium falciparum-infected human erythrocytes

Wickham, Mark E., Rug, Melanie, Ralph, Stuart A., Klonis, Nectarios, McFadden, Geoffrey I., Tilley, Leann, ...

After invading human erythrocytes, the malarial parasite Plasmodium falciparum, initiates a remarkable process of secreting proteins into the surrounding erythrocyte cytoplasm and plasma membrane....

Targeted mutagenesis of Plasmodium falciparum erythrocyte membrane protein 3 (PfEMP3) disrupts cytoadherence of malaria-infected red blood cells

Waterkeyn, Jacqueline G., Wickham, Mark E., Davern, Kathleen M., Cooke, Brian M., Coppel, Ross L., Reeder, John C., ...

Adhesion of parasite-infected red blood cells to the vascular endothelium is a critical event in the pathogenesis of malaria caused by Plasmodium falciparum. Adherence is mediated by the variant...

Correct Promoter Control Is Needed for Trafficking of the Ring-Infected Erythrocyte Surface Antigen to the Host Cytosol in Transfected Malaria Parasites

Rug, Melanie, Wickham, Mark E., Foley, Michael, Cowman, Alan F., Tilley, Leann

Following invasion of human erythrocytes, the malaria parasite, Plasmodium falciparum, exports proteins beyond the confines of its own plasma membrane to modify the properties of the host red cell...

Negative regulation of Salmonella pathogenicity island 2 is required for contextual control of virulence during typhoid

Coombes, Brian K., Wickham, Mark E., Lowden, Michael J., Brown, Nat F., Finlay, B. Brett

Salmonella enterica relies on a type III secretion system encoded in Salmonella pathogenicity island-2 (SPI-2) to survive and replicate within macrophages at systemic sites during typhoid. SPI-2...

Crossing the Line: Selection and Evolution of Virulence Traits

Brown, Nat F, Wickham, Mark E, Coombes, Brian K, Finlay, B. Brett

The evolution of pathogens presents a paradox. Pathogenic species are often absolutely dependent on their host species for their propagation through evolutionary time, yet the pathogenic lifestyle...

Functional analysis of Plasmodium falciparum merozoite antigens: implications for erythrocyte invasion and vaccine development.

Cowman, Alan F, Baldi, Deborah L, Duraisingh, Manoj, Healer, Julie, Mills, Kerry E, O'Donnell, Rebecca A, ...

Malaria is a major human health problem and is responsible for over 2 million deaths per year. It is caused by a number of species of the genus Plasmodium, and Plasmodium falciparum is the causative...

SseL Is a Salmonella-Specific Translocated Effector Integrated into the SsrB-Controlled Salmonella Pathogenicity Island 2 Type III Secretion System▿

Coombes, Brian K., Lowden, Michael J., Bishop, Jennifer L., Wickham, Mark E., Brown, Nat F., Duong, Nancy, ...

Bacterial pathogens use horizontal gene transfer to acquire virulence factors that influence host colonization, alter virulence traits, and ultimately shape the outcome of disease following...

Molecular Analysis as an Aid To Assess the Public Health Risk of Non-O157 Shiga Toxin-Producing Escherichia coli Strains▿ ‡

Coombes, Brian K., Wickham, Mark E., Mascarenhas, Mariola, Gruenheid, Samantha, Finlay, B. Brett, Karmali, Mohamed A.

Shiga toxin-producing Escherichia coli (STEC) strains are commensal bacteria in cattle with high potential for environmental and zoonotic transmission to humans. Although O157:H7 is the most common...

Pathogenic adaptation of intracellular bacteria by rewiring a cis-regulatory input function

Osborne, Suzanne E., Walthers, Don, Tomljenovic, Ana M., Mulder, David T., Silphaduang, Uma, Duong, Nancy, ...

The acquisition of DNA by horizontal gene transfer enables bacteria to adapt to previously unexploited ecological niches. Although horizontal gene transfer and mutation of protein-coding sequences...