Chris J. Janse

A Plasmodium Whole-Genome Synteny Map: Indels and Synteny Breakpoints as Foci for Species-Specific Genes (2005)

Jane M. Carlton, Shelby L. Bidwell, Neil Hall, Jai Ramesar, Chris J. Janse, ...

Whole-genome comparisons are highly informative regarding genome evolution and can reveal the conservation of genome organization and gene content, gene regulatory elements, and presence of...

Interspecies conservation of gene order and intron–exon structure in a genomic locus of high gene density and complexity in Plasmodium

Pace, Tomasino, Janse, Chris J., Birago, Cecilia, Ramesar, Jai, Picci, Leonardo, ...

A 13.6 kb contig of chromosome 5 of Plasmodium berghei, a rodent malaria parasite, has been sequenced and analysed for its coding potential. Assembly and comparison of this genomic locus with the...

Topology and replication of a nuclear episomal plasmid in the rodent malaria Plasmodium berghei

Williamson, Donald H., Janse, Chris J., Moore, Peter W., Waters, Andrew P., Preiser, Peter R.

The rodent malaria Plasmodium berghei is one of a small number of species of Plasmodium that can currently be genetically transformed through experimentally controlled uptake of exogenous DNA by...

Transgenic Expression of a Mosquito-Stage Malarial Protein, Pbs21, in Blood Stages of Transformed Plasmodium berghei and Induction of an Immune Response upon Infection

Margos, Gabriele, Van Dijk, Melissa R., Ramesar, Jai, Janse, Chris J., Waters, Andrew P., Sinden, Robert E.

Pbs21 is a surface protein of the ookinete of Plasmodium berghei, which can induce a potent transmission-blocking immune response. Pbs21 is normally expressed only by parasite stages in the mosquito,...

P25 and P28 proteins of the malaria ookinete surface have multiple and partially redundant functions

Tomas, Ana M., Margos, Gabriele, Dimopoulos, George, Sinha, Ria, ...

The ookinete surface proteins (P25 and P28) are proven antimalarial transmission-blocking vaccine targets, yet their biological functions are unknown. By using single (Sko) and double gene knock-out...

Targeted Terminal Deletions as a Tool for Functional Genomics Studies in Plasmodium

Pace, Tomasino, Scotti, Raffaella, Janse, Chris J., Waters, Andrew P., Birago, Cecilia, Ponzi, Marta

We describe a transfection system that induces terminal deletions at specific chromosome ends in malaria parasites using a linear construct containing telomeric repeats at one end and plasmodial...

Murine malaria parasite sequestration: CD36 is the major receptor, but cerebral pathology is unlinked to sequestration

Franke-Fayard, Blandine, Janse, Chris J., Cunha-Rodrigues, Margarida, Ramesar, Jai, Büscher, Philippe, Que, Ivo, ...

Sequestration of malaria-parasite-infected erythrocytes in the microvasculature of organs is thought to be a significant cause of pathology. Cerebral malaria (CM) is a major complication of...

Genetically attenuated, P36p-deficient malarial sporozoites induce protective immunity and apoptosis of infected liver cells

Van Dijk, Melissa R., Douradinha, Bruno, Franke-Fayard, Blandine, Heussler, Volker, Van Dooren, Maaike W., Van Schaijk, Ben, ...

Immunization with Plasmodium sporozoites that have been attenuated by γ-irradiation or specific genetic modification can induce protective immunity against subsequent malaria infection. The...

Species-Specific Inhibition of Cerebral Malaria in Mice Coinfected with Plasmodium spp.

Voza, Tatiana, Vigário, Ana M., Belnoue, Elodie, Grüner, Anne Charlotte, Deschemin, Jean-Christophe, Kayibanda, Michèle, ...

Recent epidemiological observations suggest that clinical evolution of Plasmodium falciparum infections might be influenced by the concurrent presence of another Plasmodium species, and such...

Towards systematic identification of Plasmodium essential genes by transposon shuttle mutagenesis

Sakamoto, Hiroshi, Thiberge, Sabine, Akerman, Susan, Janse, Chris J., Carvalho, Teresa Gil, Ménard, Robert

After the deciphering of the genome sequences of several Plasmodium species, efforts must turn to elucidating gene function and identifying essential gene products. However, random approaches are...

A Plasmodium Whole-Genome Synteny Map: Indels and Synteny Breakpoints as Foci for Species-Specific Genes

Kooij, Taco W. A, Carlton, Jane M, Bidwell, Shelby L, Hall, Neil, Ramesar, Jai, Janse, Chris J, ...

Whole-genome comparisons are highly informative regarding genome evolution and can reveal the conservation of genome organization and gene content, gene regulatory elements, and presence of...

Development and application of a positive–negative selectable marker system for use in reverse genetics in Plasmodium

Braks, Joanna A. M., Franke-Fayard, Blandine, Kroeze, Hans, Janse, Chris J., Waters, Andrew P.

A limitation of transfection of malaria parasites is the availability of only a low number of positive selectable markers for selection of transformed mutants. This is exacerbated for the rodent...

Interspecies conservation of gene order and intron–exon structure in a genomic locus of high gene density and complexity in Plasmodium

Pace, Tomasino, Janse, Chris J., Birago, Cecilia, Ramesar, Jai, Picci, Leonardo, ...

A 13.6 kb contig of chromosome 5 of Plasmodium berghei, a rodent malaria parasite, has been sequenced and analysed for its coding potential. Assembly and comparison of this genomic locus with the...

Topology and replication of a nuclear episomal plasmid in the rodent malaria Plasmodium berghei

Williamson, Donald H., Janse, Chris J., Moore, Peter W., Waters, Andrew P., Preiser, Peter R.

The rodent malaria Plasmodium berghei is one of a small number of species of Plasmodium that can currently be genetically transformed through experimentally controlled uptake of exogenous DNA by...

Transgenic Expression of a Mosquito-Stage Malarial Protein, Pbs21, in Blood Stages of Transformed Plasmodium berghei and Induction of an Immune Response upon Infection

Margos, Gabriele, Van Dijk, Melissa R., Ramesar, Jai, Janse, Chris J., Waters, Andrew P., Sinden, Robert E.

Pbs21 is a surface protein of the ookinete of Plasmodium berghei, which can induce a potent transmission-blocking immune response. Pbs21 is normally expressed only by parasite stages in the mosquito,...

P25 and P28 proteins of the malaria ookinete surface have multiple and partially redundant functions

Tomas, Ana M., Margos, Gabriele, Dimopoulos, George, Sinha, Ria, ...

The ookinete surface proteins (P25 and P28) are proven antimalarial transmission-blocking vaccine targets, yet their biological functions are unknown. By using single (Sko) and double gene knock-out...

Targeted Terminal Deletions as a Tool for Functional Genomics Studies in Plasmodium

Pace, Tomasino, Scotti, Raffaella, Janse, Chris J., Waters, Andrew P., Birago, Cecilia, Ponzi, Marta

We describe a transfection system that induces terminal deletions at specific chromosome ends in malaria parasites using a linear construct containing telomeric repeats at one end and plasmodial...

Murine malaria parasite sequestration: CD36 is the major receptor, but cerebral pathology is unlinked to sequestration

Franke-Fayard, Blandine, Janse, Chris J., Cunha-Rodrigues, Margarida, Ramesar, Jai, Büscher, Philippe, Que, Ivo, ...

Sequestration of malaria-parasite-infected erythrocytes in the microvasculature of organs is thought to be a significant cause of pathology. Cerebral malaria (CM) is a major complication of...

Genetically attenuated, P36p-deficient malarial sporozoites induce protective immunity and apoptosis of infected liver cells

Van Dijk, Melissa R., Douradinha, Bruno, Franke-Fayard, Blandine, Heussler, Volker, Van Dooren, Maaike W., Van Schaijk, Ben, ...

Immunization with Plasmodium sporozoites that have been attenuated by γ-irradiation or specific genetic modification can induce protective immunity against subsequent malaria infection. The...

Species-Specific Inhibition of Cerebral Malaria in Mice Coinfected with Plasmodium spp.

Voza, Tatiana, Vigário, Ana M., Belnoue, Elodie, Grüner, Anne Charlotte, Deschemin, Jean-Christophe, Kayibanda, Michèle, ...

Recent epidemiological observations suggest that clinical evolution of Plasmodium falciparum infections might be influenced by the concurrent presence of another Plasmodium species, and such...

Towards systematic identification of Plasmodium essential genes by transposon shuttle mutagenesis

Sakamoto, Hiroshi, Thiberge, Sabine, Akerman, Susan, Janse, Chris J., Carvalho, Teresa Gil, Ménard, Robert

After the deciphering of the genome sequences of several Plasmodium species, efforts must turn to elucidating gene function and identifying essential gene products. However, random approaches are...

A Plasmodium Whole-Genome Synteny Map: Indels and Synteny Breakpoints as Foci for Species-Specific Genes

Kooij, Taco W. A, Carlton, Jane M, Bidwell, Shelby L, Hall, Neil, Ramesar, Jai, Janse, Chris J, ...

Whole-genome comparisons are highly informative regarding genome evolution and can reveal the conservation of genome organization and gene content, gene regulatory elements, and presence of...

Development and application of a positive–negative selectable marker system for use in reverse genetics in Plasmodium

Braks, Joanna A. M., Franke-Fayard, Blandine, Kroeze, Hans, Janse, Chris J., Waters, Andrew P.

A limitation of transfection of malaria parasites is the availability of only a low number of positive selectable markers for selection of transformed mutants. This is exacerbated for the rodent...

Functional Characterization of the Plasmodium falciparum and P. berghei Homologues of Macrophage Migration Inhibitory Factor▿

Augustijn, Kevin D., Kleemann, Robert, Thompson, Joanne, Kooistra, Teake, Crawford, Carina E., Reece, Sarah E., ...

Macrophage migration inhibitory factor (MIF) is a mammalian cytokine that participates in innate and adaptive immune responses. Homologues of mammalian MIF have been discovered in parasite species...

A Role for Natural Regulatory T Cells in the Pathogenesis of Experimental Cerebral Malaria

Amante, Fiona H., Stanley, Amanda C., Randall, Louise M., Zhou, Yonghong, Haque, Ashraful, McSweeney, Karli, ...

Cerebral malaria (CM) is a serious complication of Plasmodium falciparum infection that is responsible for a significant number of deaths in children and nonimmune adults. A failure to control blood...

A conserved U-rich RNA region implicated in regulation of translation in Plasmodium female gametocytes

Braks, Joanna A. M., Mair, Gunnar R., Franke-Fayard, Blandine, Janse, Chris J., Waters, Andrew P.

Translational repression (TR) plays an important role in post-transcriptional regulation of gene expression and embryonic development in metazoans. TR also regulates the expression of a subset of the...

Transfection of the Primate Malaria Parasite Plasmodium knowlesi Using Entirely Heterologous Constructs

Tomás, Ana M., Kocken, Clemens H.M., Malhotra, Pawan, Janse, Chris J., Waters, Andrew P., ...

The recently developed transfection systems for Plasmodium berghei and Plasmodium falciparum offer important new tools enabling further insight into the biology of malaria parasites. These systems...

Gene Disruption of Plasmodium falciparum p52 Results in Attenuation of Malaria Liver Stage Development in Cultured Primary Human Hepatocytes

Janse, Chris J., Van Gemert, Geert-Jan, Van Dijk, Melissa R., Gego, Audrey, Franetich, Jean-Francois, ...

Difficulties with inducing sterile and long lasting protective immunity against malaria with subunit vaccines has renewed interest in vaccinations with attenuated Plasmodium parasites. Immunizations...

Proteomic Profiling of Plasmodium Sporozoite Maturation Identifies New Proteins Essential for Parasite Development and Infectivity

Lasonder, Edwin, Janse, Chris J., Van Gemert, Geert-Jan, Mair, Gunnar R., Vermunt, Adriaan M. W., Douradinha, Bruno G., ...

Plasmodium falciparum sporozoites that develop and mature inside an Anopheles mosquito initiate a malaria infection in humans. Here we report the first proteomic comparison of different parasite...