Jamal Tazi

A key role for stress-induced satellite III transcripts in the relocalization of splicing factors into nuclear stress granules. (2008)

Metz, Alexandra, Soret, Johann, Vourc'H, Claire, Tazi, Jamal, Jolly, Caroline

Exposure of cells to stressful conditions results in the rapid synthesis of a subset of specialized proteins termed heat shock proteins (HSPs) which function in protecting the cell against damage....

A key role for stress-induced satellite III transcripts in the relocalization of splicing factors into nuclear stress granules. (2008)

Metz, Alexandra, Soret, Johann, Vourc'H, Claire, Tazi, Jamal, Jolly, Caroline

Exposure of cells to stressful conditions results in the rapid synthesis of a subset of specialized proteins termed heat shock proteins (HSPs) which function in protecting the cell against damage....

A Novel Role for PA28{gamma}-Proteasome in Nuclear Speckle Organization and SR Protein Trafficking. (2008)

Baldin, Véronique, Militello, Muriel, Thomas, Yann, Doucet, Christine, Fic, Weronika, Boireau, Stephanie, ...

In eukaryotic cells, proteasomes play an essential role in intracellular proteolysis and are involved in the control of most biological processes through regulated degradation of key proteins....

A Novel Role for PA28{gamma}-Proteasome in Nuclear Speckle Organization and SR Protein Trafficking. (2008)

Baldin, Véronique, Militello, Muriel, Thomas, Yann, Doucet, Christine, Fic, Weronika, Boireau, Stephanie, ...

In eukaryotic cells, proteasomes play an essential role in intracellular proteolysis and are involved in the control of most biological processes through regulated degradation of key proteins....

Inhibition of nonsense-mediated mRNA decay (NMD) by a new chemical molecule reveals the dynamic of NMD factors in P-bodies (2007)

Durand, Sébastien, Cougot, Nicolas, Mahuteau-Betzer, Florence, Nguyen, Chi-Hung, Grierson, David, Bertrand, Edouard, ...

In mammals, nonsense-mediated mRNA decay (NMD) is a quality control mechanism that degrades mRNAs harboring a premature termination codon, in order to prevent the synthesis of truncated proteins. To...

Inhibition of nonsense-mediated mRNA decay (NMD) by a new chemical molecule reveals the dynamic of NMD factors in P-bodies (2007)

Durand, Sébastien, Cougot, Nicolas, Mahuteau-Betzer, Florence, Nguyen, Chi-Hung, Grierson, David, Bertrand, Edouard, ...

In mammals, nonsense-mediated mRNA decay (NMD) is a quality control mechanism that degrades mRNAs harboring a premature termination codon, in order to prevent the synthesis of truncated proteins. To...

Small-Molecule Inhibition of HIV pre-mRNA Splicing as a Novel Antiretroviral Therapy to Overcome Drug Resistance (2007)

Nadia Bakkour, Yea-Lih Lin, Sophie Maire, Lilia Ayadi, Florence Mahuteau-Betzer, Chi Hung Nguyen, ...

The development of multidrug-resistant viruses compromises antiretroviral therapy efficacy and limits therapeutic options. Therefore, it is an ongoing task to identify new targets for antiretroviral...

Interaction between the small-nuclear-RNA cap hypermethylase and the spinal muscular atrophy protein, survival of motor neuron. (2003)

Mouaikel, John, Narayanan, Usha, Verheggen, C Line, Matera, A. Gregory, Bertrand, Edouard, Tazi, Jamal, ...

The biogenesis of spliceosomal small nuclear ribonucleoproteins (snRNPs) requires the cytoplasmic assembly of the Sm-core complex, followed by the hypermethylation of the small nuclear RNA (snRNA) 5'...

Distinctive Features of Drosophila Alternative Splicing Factor RS Domain: Implication for Specific Phosphorylation, Shuttling, and Splicing Activation

Allemand, Eric, Gattoni, Renata, Bourbon, Henri-Marc, Stevenin, James, Cáceres, Javier F., Soret, Johann, ...

The human splicing factor 2, also called human alternative splicing factor (hASF), is the prototype of the highly conserved SR protein family involved in constitutive and regulated splicing of...

RasGAP-Associated Endoribonuclease G3BP: Selective RNA Degradation and Phosphorylation-Dependent Localization

Tourrière, Hélène, Gallouzi, Imed-eddine, Chebli, Karim, Capony, Jean Paul, Mouaikel, John, Van Der Geer, Peter, ...

Mitogen activation of mRNA decay pathways likely involves specific endoribonucleases, such as G3BP, a phosphorylation-dependent endoribonuclease that associates with RasGAP in dividing but not...

Identification of two human nuclear proteins that recognise the cytosine-rich strand of human telomeres in vitro

Lacroix, Laurent, Liénard, Hélène, Labourier, Emmanuel, Djavaheri-Mergny, Mojgan, Lacoste, Jérôme, Leffers, Henrik, ...

Most studies on the structure of DNA in telomeres have been dedicated to the double-stranded region or the guanosine-rich strand and consequently little is known about the factors that may bind to...

A Novel Phosphorylation-Dependent RNase Activity of GAP-SH3 Binding Protein: a Potential Link between Signal Transduction and RNA Stability

Gallouzi, Imed-eddine, Parker, Fabienne, Chebli, Karim, Maurier, Florence, Labourier, Emmanuel, Barlat, Isabelle, ...

A potential p120 GTPase-activating protein (RasGAP) effector, G3BP (RasGAP Src homology 3 [SH3] binding protein), was previously identified based on its ability to bind the SH3 domain of RasGAP. Here...

Interaction of human DNA topoisomerase I with G-quartet structures

Arimondo, Paola B., Riou, Jean-François, Mergny, Jean-Louis, Tazi, Jamal, Sun, Jian-Sheng, Garestier, Thérèse, ...

Because of their role in the control of the topological state of DNA, topoisomerases are ubiquitous and vital enzymes, which participate in nearly all events related to DNA metabolism including...

A Conserved Drosophila Transportin-Serine/Arginine-rich (SR) Protein Permits Nuclear Import of Drosophila SR Protein Splicing Factors and Their Antagonist Repressor Splicing Factor 1

Allemand, Eric, Dokudovskaya, Svetlana, Bordonné, Rémy, Tazi, Jamal

Members of the highly conserved serine/arginine-rich (SR) protein family are nuclear factors involved in splicing of metazoan mRNA precursors. In mammals, two nuclear import receptors, transportin...

Sequence–structure–function relationships of Tgs1, the yeast snRNA/snoRNA cap hypermethylase

Mouaikel, John, Bujnicki, Janusz M., Tazi, Jamal, Bordonné, Rémy

The Saccharomyces cerevisiae Tgs1 methyltransferase (MTase) is responsible for conversion of the m7G caps of snRNAs and snoRNAs to a 2,2,7- trimethylguanosine structure. To learn more about the...

Antagonism between RSF1 and SR proteins for both splice-site recognition in vitro and Drosophila development

Labourier, Emmanuel, Bourbon, Henri-Marc, Gallouzi, Imed-eddine, Fostier, Maggy, Allemand, Eric, Tazi, Jamal

Specific recognition of splice sites within metazoan mRNA precursors (pre-mRNAs) is a potential stage for gene regulation by alternative splicing. Splicing factors of the SR protein family play a...

The SR Protein SC35 Is Responsible for Aberrant Splicing of the E1α Pyruvate Dehydrogenase mRNA in a Case of Mental Retardation with Lactic Acidosis

Gabut, Mathieu, Miné, Manuèle, Marsac, Cécile, Brivet, Michèle, Tazi, Jamal, Soret, Johann

Pyruvate dehydrogenase (PDH) complex deficiency is a major cause of lactic acidosis and Leigh's encephalomyelopathies in infancy and childhood, resulting in early death in the majority of patients....

Selective modification of alternative splicing by indole derivatives that target serine-arginine-rich protein splicing factors

Soret, Johann, Bakkour, Nadia, Maire, Sophie, Durand, Sébastien, Zekri, Latifa, Gabut, Mathieu, ...

The prevalence of alternative splicing as a target for alterations leading to human genetic disorders makes it highly relevant for therapy. Here we have used in vitro splicing reactions with...

Control of Fetal Growth and Neonatal Survival by the RasGAP-Associated Endoribonuclease G3BP

Zekri, Latifa, Chebli, Karim, Tourrière, Hélène, Nielsen, Finn C., Hansen, Thomas V. O., Rami, Abdelhaq, ...

The regulation of mRNA stability plays a major role in the control of gene expression during cell proliferation, differentiation, and development. Here, we show that inactivation of the...

Interaction between the small-nuclear-RNA cap hypermethylase and the spinal muscular atrophy protein, survival of motor neuron

Mouaikel, John, Narayanan, Usha, Verheggen, Céline, Matera, A. Gregory, Bertrand, Edouard, Tazi, Jamal, ...

The biogenesis of spliceosomal small nuclear ribonucleoproteins (snRNPs) requires the cytoplasmic assembly of the Sm-core complex, followed by the hypermethylation of the small nuclear RNA (snRNA)...

Distinctive Features of Drosophila Alternative Splicing Factor RS Domain: Implication for Specific Phosphorylation, Shuttling, and Splicing Activation

Allemand, Eric, Gattoni, Renata, Bourbon, Henri-Marc, Stevenin, James, Cáceres, Javier F., Soret, Johann, ...

The human splicing factor 2, also called human alternative splicing factor (hASF), is the prototype of the highly conserved SR protein family involved in constitutive and regulated splicing of...

RasGAP-Associated Endoribonuclease G3BP: Selective RNA Degradation and Phosphorylation-Dependent Localization

Tourrière, Hélène, Gallouzi, Imed-eddine, Chebli, Karim, Capony, Jean Paul, Mouaikel, John, Van Der Geer, Peter, ...

Mitogen activation of mRNA decay pathways likely involves specific endoribonucleases, such as G3BP, a phosphorylation-dependent endoribonuclease that associates with RasGAP in dividing but not...

Identification of two human nuclear proteins that recognise the cytosine-rich strand of human telomeres in vitro

Lacroix, Laurent, Liénard, Hélène, Labourier, Emmanuel, Djavaheri-Mergny, Mojgan, Lacoste, Jérôme, Leffers, Henrik, ...

Most studies on the structure of DNA in telomeres have been dedicated to the double-stranded region or the guanosine-rich strand and consequently little is known about the factors that may bind to...

A Novel Phosphorylation-Dependent RNase Activity of GAP-SH3 Binding Protein: a Potential Link between Signal Transduction and RNA Stability

Gallouzi, Imed-eddine, Parker, Fabienne, Chebli, Karim, Maurier, Florence, Labourier, Emmanuel, Barlat, Isabelle, ...

A potential p120 GTPase-activating protein (RasGAP) effector, G3BP (RasGAP Src homology 3 [SH3] binding protein), was previously identified based on its ability to bind the SH3 domain of RasGAP. Here...

Interaction of human DNA topoisomerase I with G-quartet structures

Arimondo, Paola B., Riou, Jean-François, Mergny, Jean-Louis, Tazi, Jamal, Sun, Jian-Sheng, Garestier, Thérèse, ...

Because of their role in the control of the topological state of DNA, topoisomerases are ubiquitous and vital enzymes, which participate in nearly all events related to DNA metabolism including...

A Conserved Drosophila Transportin-Serine/Arginine-rich (SR) Protein Permits Nuclear Import of Drosophila SR Protein Splicing Factors and Their Antagonist Repressor Splicing Factor 1

Allemand, Eric, Dokudovskaya, Svetlana, Bordonné, Rémy, Tazi, Jamal

Members of the highly conserved serine/arginine-rich (SR) protein family are nuclear factors involved in splicing of metazoan mRNA precursors. In mammals, two nuclear import receptors, transportin...

Sequence–structure–function relationships of Tgs1, the yeast snRNA/snoRNA cap hypermethylase

Mouaikel, John, Bujnicki, Janusz M., Tazi, Jamal, Bordonné, Rémy

The Saccharomyces cerevisiae Tgs1 methyltransferase (MTase) is responsible for conversion of the m7G caps of snRNAs and snoRNAs to a 2,2,7- trimethylguanosine structure. To learn more about the...

Antagonism between RSF1 and SR proteins for both splice-site recognition in vitro and Drosophila development

Labourier, Emmanuel, Bourbon, Henri-Marc, Gallouzi, Imed-eddine, Fostier, Maggy, Allemand, Eric, Tazi, Jamal

Specific recognition of splice sites within metazoan mRNA precursors (pre-mRNAs) is a potential stage for gene regulation by alternative splicing. Splicing factors of the SR protein family play a...

The SR Protein SC35 Is Responsible for Aberrant Splicing of the E1α Pyruvate Dehydrogenase mRNA in a Case of Mental Retardation with Lactic Acidosis

Gabut, Mathieu, Miné, Manuèle, Marsac, Cécile, Brivet, Michèle, Tazi, Jamal, Soret, Johann

Pyruvate dehydrogenase (PDH) complex deficiency is a major cause of lactic acidosis and Leigh's encephalomyelopathies in infancy and childhood, resulting in early death in the majority of patients....

Selective modification of alternative splicing by indole derivatives that target serine-arginine-rich protein splicing factors

Soret, Johann, Bakkour, Nadia, Maire, Sophie, Durand, Sébastien, Zekri, Latifa, Gabut, Mathieu, ...

The prevalence of alternative splicing as a target for alterations leading to human genetic disorders makes it highly relevant for therapy. Here we have used in vitro splicing reactions with...

Control of Fetal Growth and Neonatal Survival by the RasGAP-Associated Endoribonuclease G3BP

Zekri, Latifa, Chebli, Karim, Tourrière, Hélène, Nielsen, Finn C., Hansen, Thomas V. O., Rami, Abdelhaq, ...

The regulation of mRNA stability plays a major role in the control of gene expression during cell proliferation, differentiation, and development. Here, we show that inactivation of the...

Interaction between the small-nuclear-RNA cap hypermethylase and the spinal muscular atrophy protein, survival of motor neuron

Mouaikel, John, Narayanan, Usha, Verheggen, Céline, Matera, A. Gregory, Bertrand, Edouard, Tazi, Jamal, ...

The biogenesis of spliceosomal small nuclear ribonucleoproteins (snRNPs) requires the cytoplasmic assembly of the Sm-core complex, followed by the hypermethylation of the small nuclear RNA (snRNA)...

Eye Development under the control of SRp55/B52-Mediated Alternative Splicing of eyeless

Fic, Weronika, Juge, François, Soret, Johann, Tazi, Jamal

The genetic programs specifying eye development are highly conserved during evolution and involve the vertebrate Pax-6 gene and its Drosophila melanogaster homolog eyeless (ey). Here we report that...

The SR Family Proteins B52 and dASF/SF2 Modulate Development of the Drosophila Visual System by Regulating Specific RNA Targets▿ †

Gabut, Mathieu, Dejardin, Jérôme, Tazi, Jamal, Soret, Johann

Deciphering the role of alternative splicing in developmental processes relies on the identification of key genes whose expression is controlled by splicing regulators throughout the growth of a...

Small-Molecule Inhibition of HIV pre-mRNA Splicing as a Novel Antiretroviral Therapy to Overcome Drug Resistance

Bakkour, Nadia, Lin, Yea-Lih, Maire, Sophie, Ayadi, Lilia, Mahuteau-Betzer, Florence, Nguyen, Chi Hung, ...

The development of multidrug-resistant viruses compromises antiretroviral therapy efficacy and limits therapeutic options. Therefore, it is an ongoing task to identify new targets for antiretroviral...

Inhibition of nonsense-mediated mRNA decay (NMD) by a new chemical molecule reveals the dynamic of NMD factors in P-bodies

Durand, Sébastien, Cougot, Nicolas, Mahuteau-Betzer, Florence, Nguyen, Chi-Hung, Grierson, David S., Bertrand, Edouard, ...

In mammals, nonsense-mediated mRNA decay (NMD) is a quality-control mechanism that degrades mRNA harboring a premature termination codon to prevent the synthesis of truncated proteins. To gain...

The RasGAP-associated endoribonuclease G3BP assembles stress granules

Tourrière, Hélène, Chebli, Karim, Zekri, Latifa, Courselaud, Brice, Blanchard, Jean Marie, Bertrand, Edouard, ...

Stress granules (SGs) are formed in the cytoplasm in response to various toxic agents, and are believed to play a critical role in the regulation of mRNA metabolism during stress. In SGs, mRNAs are...

A Novel Role for PA28γ-Proteasome in Nuclear Speckle Organization and SR Protein Trafficking

Baldin, Véronique, Militello, Muriel, Thomas, Yann, Doucet, Christine, Fic, Weronika, Boireau, Stephanie, ...

In eukaryotic cells, proteasomes play an essential role in intracellular proteolysis and are involved in the control of most biological processes through regulated degradation of key proteins....