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Genomes and Genes | Didier TronoSummaryCountry: Switzerland Publications
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Publications
Gene therapy: too much splice can spoil the dishDidier Trono
Frontiers in Genetics Program and School of Life Sciences, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
J Clin Invest 122:1600-2. 2012..The finding that this is a general phenomenon is concerning, but some of their results do suggest approaches for the development of safeguards in gene therapy vector design...
The integrase interactor 1 (INI1) proteins facilitate Tat-mediated human immunodeficiency virus type 1 transcriptionYasuo Ariumi
Department of Microbiology and Molecular Medicine, University of Geneva and Frontiers in Genetics National Center for Competence in Research, Switzerland
Retrovirology 3:47. 2006..These results suggest that the incoming PICs might recruit INI1 to facilitate proviral transcription...
HIV persistence and the prospect of long-term drug-free remissions for HIV-infected individualsDidier Trono
School of Life Sciences and Frontiers in Genetics Program, Ecole Polytechnique Federale de Lausanne EPFL, 1015 Lausanne, Switzerland
Science 329:174-80. 2010....
De novo DNA methylation of endogenous retroviruses is shaped by KRAB-ZFPs/KAP1 and ESETHelen M Rowe
School of Life Sciences and Frontiers in Genetics Program, Ecole Polytechnique Federale de Lausanne EPFL, Lausanne, Switzerland
Development 140:519-29. 2013..KRAB-ZFPs, KAP1 and ESET are thus likely to be responsible for the early embryonic instatement of stable epigenetic marks at ERV-containing loci...
The KRAB-ZFP/KAP1 system contributes to the early embryonic establishment of site-specific DNA methylation patterns maintained during developmentSimon Quenneville
School of Life Sciences and Frontiers in Genetics Program, Ecole Polytechnique Federale de Lausanne, 1015 Lausanne, Switzerland
Cell Rep 2:766-73. 2012..Therefore, KRAB-ZFPs and their cofactor KAP1 are in part responsible for the establishment during early embryogenesis of site-specific DNA methylation patterns that are maintained through development...
A gene-rich, transcriptionally active environment and the pre-deposition of repressive marks are predictive of susceptibility to KRAB/KAP1-mediated silencingSylvain Meylan
School of Life Sciences, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
BMC Genomics 12:378. 2011..We have recently shown that KRAB/KAP1 can mediate long-range transcriptional repression through heterochromatin spreading, but also demonstrated that this process is at times countered by endogenous influences...
KAP1 regulates gene networks controlling T-cell development and responsivenessFrancesca R Santoni de Sio
School of Life Sciences, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
FASEB J 26:4561-75. 2012..These results reveal the so far unsuspected yet important role of KAP1-mediated epigenetic regulation in T-lymphocyte differentiation and activation...
KAP1 regulates gene networks controlling mouse B-lymphoid cell differentiation and functionFrancesca R Santoni de Sio
School of Life Sciences, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
Blood 119:4675-85. 2012..Our results therefore reveal the role of KRAB/KAP1-mediated epigenetic regulation in B-cell development and homeostasis...
Liver-specific ablation of Krüppel-associated box-associated protein 1 in mice leads to male-predominant hepatosteatosis and development of liver adenomaKarolina Bojkowska
School of Life Sciences, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
Hepatology 56:1279-90. 2012....
In embryonic stem cells, ZFP57/KAP1 recognize a methylated hexanucleotide to affect chromatin and DNA methylation of imprinting control regionsSimon Quenneville
School of Life Sciences and Frontiers in Genetics Program, Ecole Polytechnique Federale de Lausanne, 1015 Lausanne, Switzerland
Mol Cell 44:361-72. 2011..These results significantly advance our understanding of imprinting and suggest a general mechanism for the protection of specific loci against the wave of DNA demethylation that affects the mammalian genome during early embryogenesis...
Structure-function analyses point to a polynucleotide-accommodating groove essential for APOBEC3A restriction activitiesYannick Bulliard
School of Life Sciences and Frontiers in Genetics National Program, Ecole Polytechnique Fe de rale de Lausanne, 1015 Lausanne, Switzerland
J Virol 85:1765-76. 2011..These results suggest that the target specificity of APOBEC3 family members is partly defined by structural features influencing their interaction with polynucleotide substrates...
The Krüppel-associated box repressor domain can induce reversible heterochromatization of a mouse locus in vivoAnna C Groner
School of Life Sciences, Ecole Polytechnique Federale de Lausanne, 1015 Lausanne, Switzerland
J Biol Chem 287:25361-9. 2012..This finding not only sheds light on KRAB-mediated transcriptional processes, but also suggests approaches for the externally controllable and reversible modulation of chromatin and transcription in vivo...
KAP1 controls endogenous retroviruses in embryonic stem cellsHelen M Rowe
School of Life Sciences, Ecole Polytechnique Federale de Lausanne, 1015 Lausanne, Switzerland
Nature 463:237-40. 2010..Correspondingly, IAP 5'UTR sequences can impose in cis KAP1-dependent repression on a heterologous promoter in ES cells. Our results establish that KAP1 controls endogenous retroelements during early embryonic development...
KRAB-zinc finger proteins and KAP1 can mediate long-range transcriptional repression through heterochromatin spreadingAnna C Groner
School of Life Sciences, Ecole Polytechnique Federale de Lausanne EPFL, Lausanne, Switzerland
PLoS Genet 6:e1000869. 2010..This finding not only suggests auto-regulatory mechanisms in the control of KRAB-ZFP gene clusters, but also provides important cues for interpreting future genome-wide DNA binding data of KRAB-ZFPs and KAP1...
Inducible gene and shRNA expression in resident hematopoietic stem cells in vivoElisa Laurenti
Ecole Polytechnique Federale de Lausanne EPFL, ISREC Swiss Institute for Experimental Cancer Research, School of Life Science, and Frontiers in Genetics National Center for Competence in Research, Ecole Polytechnique Federale de Lausanne EPFL, 1015 Lausanne, Switzerland
Stem Cells 28:1390-8. 2010..In summary, this easy to implement conditional system provides inducible and reversible overexpression or knock down of genes in resident HSCs in vivo using a drug devoid of toxic or activating effects...
Functional analysis and structural modeling of human APOBEC3G reveal the role of evolutionarily conserved elements in the inhibition of human immunodeficiency virus type 1 infection and Alu transpositionYannick Bulliard
School of Life Sciences and Frontiers in Genetics National Center of Competence in Research, Ecole Polytechnique Federale de Lausanne, 1015 Lausanne, Switzerland
J Virol 83:12611-21. 2009....
APOBEC3-independent interferon-induced viral clearance in hepatitis B virus transgenic micePriscilla Turelli
Global Health Institute, School of Life Sciences and Frontiers in Genetics National Center for Competence in Research, Ecole Polytechnique Federale de Lausanne, CH 1015 Lausanne, Switzerland
J Virol 82:6585-90. 2008..We conclude that APOBEC3 is not an essential mediator of the IFN-mediated inhibition of HBV in vivo...
Homology-based identification of capsid determinants that protect HIV1 from human TRIM5α restrictionPierre V Maillard
Global Health Institute, School of Life Sciences, and Frontiers in Genetics National Center for Competence in Research, Ecole Polytechnique Federale de Lausanne, Switzerland
J Biol Chem 286:8128-40. 2011..These results indicate that retroviruses have evolved similar mechanisms to escape TRIM5α restriction via the interference of structurally homologous determinants in the viral capsid...
The specificity of TRIM5 alpha-mediated restriction is influenced by its coiled-coil domainPierre V Maillard
Global Health Institute, School of Life Sciences, and Frontiers in Genetics Program, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
J Virol 84:5790-801. 2010..These results indicate that the PRYSPRY and coiled-coil domains cooperate to determine the specificity of TRIM5 alpha-mediated capture of retroviral capsids, shedding new light on this complex event...
Interfering residues narrow the spectrum of MLV restriction by human TRIM5alphaPierre V Maillard
Global Health Institute, School of Life Sciences, Frontiers in Genetics National Center for Competence in Research, Ecole Polytechnique Federale de Lausanne EPFL, Lausanne, Switzerland
PLoS Pathog 3:e200. 2007....
The Kruppel-associated box repressor domain can trigger de novo promoter methylation during mouse early embryogenesisMaciej Wiznerowicz
School of Life Sciences, Frontiers in Genetics National Center for Competence in Research, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
J Biol Chem 282:34535-41. 2007..Here we reveal that, in sharp contrast, KRAB-mediated repression results in irreversible gene silencing through promoter DNA methylation if it acts during the first few days of mouse development...
Profaning the Ultimate Sanctuary: HIV Latency in Hematopoietic Stem CellsDidier Trono
School of Life Sciences and Frontiers in Genetics Program, Ecole Polytechnique Federale de Lausanne EPFL, 1015 Lausanne, Switzerland
Cell Host Microbe 9:170-2. 2011..That latent proviruses might also hide in multipotent hematopoietic stem cells suggests an even more formidable challenge and potentially has therapeutic implications...
TRIM28 repression of retrotransposon-based enhancers is necessary to preserve transcriptional dynamics in embryonic stem cellsHelen M Rowe
School of Life Sciences and Frontiers in Genetics Program, Ecole Polytechnique Federale de Lausanne EPFL, 1015 Lausanne, Switzerland
Genome Res 23:452-61. 2013..TRIM28-mediated control of ERVs is therefore crucial not just to prevent retrotransposition, but more broadly to safeguard the transcriptional dynamics of early embryos...
Global and stage specific patterns of Krüppel-associated-box zinc finger protein gene expression in murine early embryonic cellsAndrea Corsinotti
School of Life Sciences and Frontiers in Genetics Program, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
PLoS ONE 8:e56721. 2013..These results pave the way to delineating the role of specific KRAB-ZFPs in early embryogenesis...
Measuring in vivo protein half-lifeKarolina Bojkowska
School of Life Sciences, Frontiers in Genetics National Program, Ecole Polytechnique Federale de Lausanne, CH 1015 Lausanne, Switzerland
Chem Biol 18:805-15. 2011..These results open broad perspectives for studying protein function in living animals...
Characterization of APOBEC3G binding to 7SL RNADaniel Bach
Global Health Institute, School of Life Sciences and Frontiers in Genetics, National Center for Competence in Research, Ecole Polytechnique Federale de Lausanne EPFL, CH 1015, Lausanne, Switzerland
Retrovirology 5:54. 2008..We thus conclude that 7SL RNA is not an essential mediator of the virion packaging of these antiviral cytidine deaminases...
Production and titration of lentiviral vectorsIsabelle Barde
School of Life Sciences, École Polytechnique Fédérale de Lausanne and Frontiers in Genetics, National Center of Competence in Research, Lausanne, Switzerland
Curr Protoc Neurosci . 2010..This unit also describes protocols for production and titration of LVs that can be implemented in a research laboratory setting, with an emphasis on standardization to improve transposability of results between laboratories...
MicroRNA-124 is a subventricular zone neuronal fate determinantMalin Akerblom
Department of Experimental Medical Science, Wallenberg Neuroscience Center and Lund Stem Cell Center, Lund University, 22184 Lund, Sweden
J Neurosci 32:8879-89. 2012..In summary, our results demonstrate that miR-124 is a neuronal fate determinant in the subventricular zone...
Dynamic control of endogenous retroviruses during developmentHelen M Rowe
National Program, Ecole Polytechnique Federale de Lausanne, 1015 Lausanne, Switzerland
Virology 411:273-87. 2011....
KAP1-mediated epigenetic repression in the forebrain modulates behavioral vulnerability to stressJohan Jakobsson
School of Life Sciences, National Center of Competence in Research, Ecole Polytechnique Federale de Lausanne, 1015 Lausanne, Switzerland
Neuron 60:818-31. 2008..We propose a model in which the tethering of KAP1-associated chromatin remodeling factors via KRAB-ZFPs epigenetically controls gene expression in the hippocampus, thereby conditioning responses to behavioral stress...
Induction of antiviral cytidine deaminases does not explain the inhibition of hepatitis B virus replication by interferonsStephanie Jost
School of Life Sciences and Frontiers in Genetics National Center for Competence in Research, Ecole Polytechnique Federale de Lausanne EPFL, CH 1015 Lausanne, Switzerland
J Virol 81:10588-96. 2007..We conclude that these cytidine deaminases are not essential effectors of IFN in its action against this pathogen...
Regulation of episomal gene expression by KRAB/KAP1-mediated histone modificationsIsabelle Barde
School of Life Sciences, Frontiers in Genetics National Center for Competence in Research, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
J Virol 83:5574-80. 2009....
APOBEC3G-depleted resting CD4+ T cells remain refractory to HIV1 infectionFrancesca R Santoni de Sio
Global Health Institute, School of Life Sciences, Frontiers in Genetics National Center of Competence in Research, Ecole Polytechnique Federale de Lausanne EPFL, Lausanne, Switzerland
PLoS ONE 4:e6571. 2009..Chiu et al. recently proposed that this restriction reflects the action of APOBEC3G (A3G). They further suggested that T cell activation abrogates the A3G-mediated block by directing this protein to a high molecular mass complex...
Genotypic features of lentivirus transgenic miceMarc Olivier Sauvain
Ecole Polytechnique Federale de Lausanne, School of Life Sciences, Lausanne CH 1015, Switzerland
J Virol 82:7111-9. 2008....
Model structure of human APOBEC3GKun Lin Zhang
Institute of Microbiology, University Hospital Center, University of Lausanne, Lausanne, Switzerland
PLoS ONE 2:e378. 2007..There is no 3-D structure of APOBEC3G solved by X-ray or nuclear magnetic resonance...
KRAB can repress lentivirus proviral transcription independently of integration siteYannick Bulliard
School of Life Sciences, Ecole Polytechnique Federale de Lausanne, CH 1015 Lausanne, Switzerland
J Biol Chem 281:35742-6. 2006..These results indicate that KRAB-induced transcriptional repression is robust and active over a variety of genomic contexts that include at least the wide range of sites targeted by lentiviral integration...
Innate immunity against retroviral pathogens: from an ambiguous genetic self to novel therapeutic approachesSylvain Meylan
School of Life Sciences, Ecole Polytechnique Federale de Lausanne EPFL, Lausanne, Switzerland
Swiss Med Wkly 139:706-11. 2009..Their presence in higher species thus reflects a delicate equilibrium between occasional permissiveness and tight restriction, through innate immunity mechanisms also engaged in protection against their exogenous viral counterparts...
Editing at the crossroad of innate and adaptive immunityPriscilla Turelli
School of Life Sciences, , CH-1015 Lausanne, Switzerland
Science 307:1061-5. 2005..Exciting questions are raised, which take us to the depth of the intimate relations between vertebrates and the microbial underworld...
