Research Topics
Genomes and Genes
| Benoit CoulombeSummaryAffiliation: Clinical Research Institute of Montreal Country: Canada Publications
| Collaborators
|
Detail Information
Publications
Photo-cross-linking of a purified preinitiation complex reveals central roles for the RNA polymerase II mobile clamp and TFIIE in initiation mechanismsDiane Forget
Laboratory of Gene Transcription, , , , Canada H2W 1R7
Mol Cell Biol 24:1122-31. 2004..These results support the central roles of the mobile clamp of RNAP II and TFIIE in transcription initiation...
Steps towards a repertoire of comprehensive maps of human protein interaction networks: the Human Proteotheque Initiative (HuPI)Benoit Coulombe
Gene Transcription and Proteomics Laboratory and Proteomics Discovery Platform, Institut de Recherches Cliniques de Montreal, Montreal, Quebec, Canada
Biochem Cell Biol 86:149-56. 2008..The process governing the evolution of HuPI towards becoming a repository of accurate and complete protein interaction maps is described...
Mapping the disease protein interactome: toward a molecular medicine GPS to accelerate drug and biomarker discoveryBenoit Coulombe
Institut de recherches cliniques de Montréal IRCM, Montréal, Québec, Canada
J Proteome Res 10:120-5. 2011....
Functional dissection of the catalytic mechanism of mammalian RNA polymerase IIBenoit Coulombe
Gene Transcription Laboratory, Institute de recherche cliniques de Montréal, QC, Canada
Biochem Cell Biol 83:497-504. 2005..Both in vitro and in vivo analyses of these mutants revealed novel features of the catalytic mechanisms involving this enzyme...
Genomic location of the human RNA polymerase II general machinery: evidence for a role of TFIIF and Rpb7 at both early and late stages of transcriptionMarilena Cojocaru
Institut de Recherches Cliniques de Montreal, 110 avenue des Pins Ouest, Montreal, QC, Canada H2W 1R7
Biochem J 409:139-47. 2008..Together, our results provide for the first time a general picture of GTF function during the RNAPII transcription reaction in live mammalian cells and show that TFIIF and Rpb7 are involved in both early and late transcriptional stages...
The protein interaction network of the human transcription machinery reveals a role for the conserved GTPase RPAP4/GPN1 and microtubule assembly in nuclear import and biogenesis of RNA polymerase IIDiane Forget
Institut de Recherches Cliniques de Montreal, Montreal, Québec H2W1R7, Canada
Mol Cell Proteomics 9:2827-39. 2010..A model for RNAPII biogenesis is presented...
Systematic analysis of the protein interaction network for the human transcription machinery reveals the identity of the 7SK capping enzymeCélia Jeronimo
Laboratory of Gene Transcription and Proteomics Discovery Platform, Institut de Recherches Cliniques de Montreal, Montreal, QC, Canada
Mol Cell 27:262-74. 2007..Our results define a high-density protein interaction network for the mammalian transcription machinery and uncover multiple regulatory factors that target the transcription machinery...
RPAP1, a novel human RNA polymerase II-associated protein affinity purified with recombinant wild-type and mutated polymerase subunitsCélia Jeronimo
Laboratory of Gene Transcription, Institut de Recherches Cliniques de Montreal, Montreal, Quebec, Canada H2W 1R7
Mol Cell Biol 24:7043-58. 2004....
The highly conserved glutamic acid 791 of Rpb2 is involved in the binding of NTP and Mg(B) in the active center of human RNA polymerase IIMarie France Langelier
Laboratory of Gene Transcription, Institut de Recherches Cliniques de Montreal, 110 avenue des Pins Ouest, Montreal, Quebec, Canada H2W 1R7
Nucleic Acids Res 33:2629-39. 2005....
High-resolution mapping of the protein interaction network for the human transcription machinery and affinity purification of RNA polymerase II-associated complexesPhilippe Cloutier
Institut de Recherches Cliniques de Montreal, Montreal Quebec, Canada
Methods 48:381-6. 2009....
PReMod: a database of genome-wide mammalian cis-regulatory module predictionsVincent Ferretti
McGill University and Genome Quebec Innovation Center, 740 Dr Penfield, Montreal, QC, Canada H3A 1A4
Nucleic Acids Res 35:D122-6. 2007..It also provides a visual depiction of the chromosomal context of the selected pCRMs in terms of neighboring pCRMs and genes, all of which are linked to the UCSC Genome Browser and the NCBI. PReMod: http://genomequebec.mcgill.ca/PReMod...
Human papillomavirus E1 helicase interacts with the WD repeat protein p80 to promote maintenance of the viral genome in keratinocytesAlexandra Côté-Martin
Laboratory of Molecular Virology, Institut de Recherches Cliniques de Montreal, 110 Pine Avenue West, Montreal, Quebec, Canada
J Virol 82:1271-83. 2008..These findings suggest that the interaction of E1 with p80 is required for efficient maintenance of the viral episome in undifferentiated keratinocytes...
Use of site-specific protein-DNA photocrosslinking of purified complexes to analyze the topology of the RNA polymerase II transcription initiation complexDiane Forget
Gene Transcription and Proteomics Laboratory, Institut de Recherches Cliniques de Montreal, 110, avenue des Pins Ouest, Montreal, QC, Canada, H2W 1R7
Methods Mol Biol 543:439-51. 2009..The specific complexes are localized on the gel, purified, and processed for the identification of the crosslinked polypeptides...
Discovery of cell compartment specific protein-protein interactions using affinity purification combined with tandem mass spectrometryMathieu Lavallée-Adam
McGill Centre for Bioinformatics and School of Computer Science, McGill University, Montreal, Quebec H3A 2B4, Canada
J Proteome Res 12:272-81. 2013..Finally, we demonstrate that this improvement in sensitivity leads to the discovery of novel interactions of RNAP II carboxyl-terminal domain (CTD) interacting domain (CID) proteins with POLR2A...
Detection of locally over-represented GO terms in protein-protein interaction networksMathieu Lavallée-Adam
McGill Centre for Bioinformatics and School of Computer Science, Montreal, Quebec, Canada
J Comput Biol 17:443-57. 2010..When applied to these two biological networks, our approach recovers many known complexes and pathways, but also suggests potential functions for many subnetworks. Online Supplementary Material is available at www.liebertonline.com...
Transcription factor IIS cooperates with the E3 ligase UBR5 to ubiquitinate the CDK9 subunit of the positive transcription elongation factor BMarilena Cojocaru
Institut de Recherches Cliniques de Montreal, Montreal, Quebec H2W 1R7, Canada
J Biol Chem 286:5012-22. 2011..Together, these results identify UBR5 as a novel E3 ligase that regulates transcription and define an additional function of TFIIS in the regulation of CDK9...
Modeling contaminants in AP-MS/MS experimentsMathieu Lavallée-Adam
McGill Centre for Bioinformatics and School of Computer Science, McGill University, Montréal, Canada
J Proteome Res 10:886-95. 2011..Our approach will thus allow improved accuracy in PPI identification while reducing the number of control experiments required...
Interaction networks of the molecular machines that decode, replicate, and maintain the integrity of the human genomeBenoit Coulombe
Laboratory of Gene Transcription, Institut de Recherches Cliniques de Montreal, 110 avenue des Pins Ouest, Montreal, Quebec, Canada H2W 1R7
Mol Cell Proteomics 3:851-6. 2004....
Structural perspective on mutations affecting the function of multisubunit RNA polymerasesVincent Trinh
Gene Transcription Laboratory, , 110 Ave. des Pins Ouest, , , Canada
Microbiol Mol Biol Rev 70:12-36. 2006....
Site-directed mutagenesis, purification and assay of Saccharomyces cerevisiae RNA polymerase IICéline Domecq
Institut de Recherches Cliniques de Montreal, 110, Montreal, Que, Canada H2W 1R7
Protein Expr Purif 69:83-90. 2010..Mutations are also analyzed within the active site region indicating key residues for catalysis and the importance of a Rpb2 R983-E1028 ion pair. Rpb2 R983Q and E1028Q are defective in escape from a transcriptional stall...
A newly uncovered group of distantly related lysine methyltransferases preferentially interact with molecular chaperones to regulate their activityPhilippe Cloutier
Institut de recherches cliniques de Montreal IRCM, Montreal, Quebec, Canada
PLoS Genet 9:e1003210. 2013....
Amino acid substitutions that specifically impair the transcriptional activity of papillomavirus E2 affect binding to the long isoform of Brd4Hélène Sénéchal
Laboratory of Molecular Virology, Institut de Recherches Cliniques de Montreal, 110 Pine Avenue West, Montreal, Quebec, Canada H2W 1R7
Virology 358:10-7. 2007..Since these amino acids are located near each other in the 3-dimensional structure of the TAD, we suggest that they define a conserved surface involved in binding Brd4 to regulate viral gene transcription...
Genome-wide computational prediction of transcriptional regulatory modules reveals new insights into human gene expressionMathieu Blanchette
McGill Centre for Bioinformatics, Montreal, Quebec, Canada, H3A 2B4
Genome Res 16:656-68. 2006..The set of predicted CRMs, which is made available as a public database called PReMod (http://genomequebec.mcgill.ca/PReMod), will help analyze regulatory mechanisms in specific biological systems...
Defining protein interactions that regulate disease progressionRacha Al-Khoury
Institut de Recherches Cliniques de Montreal, Montreal Quebec, Canada
Expert Opin Ther Targets 13:13-7. 2009..We also discuss some success stories in the modulation of disease-related protein-protein interactions using small molecules...
New insights into the biogenesis of nuclear RNA polymerases?Philippe Cloutier
Laboratory of Gene Transcription and Proteomics, Institut de Recherches Cliniques de Montreal, 110 avenue des Pins Ouest, Montreal, QC H2W 1R7, Canada
Biochem Cell Biol 88:211-21. 2010..One of the RPAPs, RPAP3, is part of an 11-subunit complex we termed the RPAP3/R2TP/prefoldin-like complex. Here, we review the literature on the subunits of this complex, which points to a role in nuclear RNAP biogenesis...
Site-specific protein-DNA photocross-linking of purified complexes: topology of the RNA polymerase II transcription initiation complexDiane Forget
Laboratory of Gene Transcription, Clinical Research Institute of Montreal, 110 Pine Avenue West, Montreal, Quebec H2W 1R7, Canada
Methods Enzymol 370:701-12. 2003
A human RNA polymerase II-containing complex associated with factors necessary for spliceosome assemblyFrancois Robert
Laboratory of Gene Transcription, , 110 avenue des Pins Ouest, , , Canada
J Biol Chem 277:9302-6. 2002....
Ordered conformational changes in damaged DNA induced by nucleotide excision repair factorsAngels Tapias
, CNRS/INSERM/ULP, BP 10142, 67404 Illkirch Cedex, , France
J Biol Chem 279:19074-83. 2004..XPG and XPF/ERCC1 endonucleases then cut the damaged DNA at the limit of the opened structure that was previously "labeled" by the positioning of XPC/HR23B and TFIIH...
