Research Topics
Genomes and GenesSpecies | Herve VaucheretSummaryAffiliation: Institut National de la Recherche Agronomique Country: France Publications
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Publications
Post-transcriptional gene silencing in plantsH Vaucheret
Laboratoire de Biologie Cellulaire, INRA, Versailles 78026, France
J Cell Sci 114:3083-91. 2001..Whether viruses can counteract RNAi in animals and whether endogenous suppressors of RNAi exist in animals is still unknown...
Post-transcriptional small RNA pathways in plants: mechanisms and regulationsHerve Vaucheret
Laboratoire de Biologie Cellulaire, Institut Jean Pierre Bourgin, l Institut National de la Recherche Agronomique, 78026 Versailles Cedex, France
Genes Dev 20:759-71. 2006..This review focuses on the various types of post-transcriptional small RNA-directed pathways in plants, describing their roles and their regulations...
The action of ARGONAUTE1 in the miRNA pathway and its regulation by the miRNA pathway are crucial for plant developmentHerve Vaucheret
Laboratoire de Biologie Cellulaire, Institut Jean Pierre Bourgin, INRA, 78026 Versailles Cedex, France
Genes Dev 18:1187-97. 2004....
AGO1 homeostasis entails coexpression of MIR168 and AGO1 and preferential stabilization of miR168 by AGO1Herve Vaucheret
Laboratoire de Biologie Cellulaire, Institut Jean Pierre Bourgin, INRA, 78026 Versailles Cedex, France
Mol Cell 22:129-36. 2006..We suggest that miR168 stabilization occurs at the level of silencing-complex assembly and that modulating the efficiency of assembling miRNA-programmed silencing complexes will also be important in other contexts...
AGO1 homeostasis involves differential production of 21-nt and 22-nt miR168 species by MIR168a and MIR168bHerve Vaucheret
Laboratoire de Biologie Cellulaire, Institut Jean Pierre Bourgin, INRA, Versailles, France
PLoS ONE 4:e6442. 2009..AGO1 homeostasis entails DCL1-dependent production of miR168 from MIR168a and MIR168b transcripts, post-transcriptional stabilization of miR168 by AGO1, and AGO1-catalyzed miR168-guided cleavage of AGO1 mRNA...
Plant ARGONAUTESHerve Vaucheret
Laboratoire de Biologie Cellulaire, Institut Jean Pierre Bourgin, Institut National de la Recherche Agronomique INRA, 78026 Versailles Cedex, France
Trends Plant Sci 13:350-8. 2008....
MicroRNA-dependent trans-acting siRNA productionHerve Vaucheret
Laboratoire de Biologie Cellulaire, Institut Jean Pierre Bourgin, INRA 78026 Versailles Cedex, France
Sci STKE 2005:pe43. 2005..Some of the tasiRNA targets probably regulate the juvenile-to-adult phase transition, but the roles of other tasiRNA targets remain to be determined...
Arabidopsis HEN1: a genetic link between endogenous miRNA controlling development and siRNA controlling transgene silencing and virus resistanceStéphanie Boutet
Laboratoire de Biologie Cellulaire, INRA, 78026 Versailles Cedex, France
Curr Biol 13:843-8. 2003....
Arabidopsis FIERY1, XRN2, and XRN3 are endogenous RNA silencing suppressorsIsabelle Gy
Laboratoire de Biologie Cellulaire, Institut Jean Pierre Bourgin, Institut National de la Recherche Agronomique INRA, 78026 Versailles Cedex, France
Plant Cell 19:3451-61. 2007..We anticipate that screens incorporating partially compromised silencing components will uncover additional PTGS suppressors that may not be revealed using robust silencing systems...
DRB4-dependent TAS3 trans-acting siRNAs control leaf morphology through AGO7Xavier Adenot
Laboratoire de Biologie Cellulaire, Institut Jean Pierre Bourgin, Institut National de la Recherche Agronomique, 78026 Versailles Cedex, France
Curr Biol 16:927-32. 2006....
Redundant and specific roles of the ARGONAUTE proteins AGO1 and ZLL in development and small RNA-directed gene silencingAllison C Mallory
Laboratoire de Biologie Cellulaire, Institut Jean Pierre Bourgin, INRA, Versailles Cedex, France
PLoS Genet 5:e1000646. 2009....
A branched pathway for transgene-induced RNA silencing in plantsChristophe Beclin
Laboratoire de Biologie Cellulaire, INRA, 78026 Cedex, Versailles, France
Curr Biol 12:684-8. 2002..Moreover, transgene methylation would result from production or action of dsRNA, since it does not require SGS2/SDE1, SGS3, and AGO1...
An antagonistic function for Arabidopsis DCL2 in development and a new function for DCL4 in generating viral siRNAsNicolas Bouche
Laboratoire de Biologie Cellulaire, Institut Jean Pierre Bourgin, INRA, Versailles, France
EMBO J 25:3347-56. 2006..Given the complexity of the small RNA repertoire in plants, the implication of each DCL, in particular DCL2, in the production of small RNAs that have no known function will constitute one of the next challenges...
ARGONAUTE 1 homeostasis invokes the coordinate action of the microRNA and siRNA pathwaysAllison C Mallory
Laboratoire de Biologie Cellulaire, Institut Jean Pierre Bourgin, INRA, Route de Saint Cyr, 78026 Versailles, France
EMBO Rep 10:521-6. 2009....
A neomorphic sgs3 allele stabilizing miRNA cleavage products reveals that SGS3 acts as a homodimerTaline Elmayan
Laboratoire de Biologie Cellulaire, Institut Jean Pierre Bourgin, INRA, Versaille, France
FEBS J 276:835-44. 2009....
The nuclear dsRNA binding protein HYL1 is required for microRNA accumulation and plant development, but not posttranscriptional transgene silencingFranck Vazquez
Laboratoire de Biologie Cellulaire, Institut Jean Pierre Bourgin, INRA, 78026 Versailles Cedex, France
Curr Biol 14:346-51. 2004..elegans and Drosophila, respectively...
Partially redundant functions of Arabidopsis DICER-like enzymes and a role for DCL4 in producing trans-acting siRNAsVirginie Gasciolli
Laboratoire de Biologie Cellulaire, Institut Jean Pierre Bourgin, Institut National de la Recherche Agronomique, 78026 Versailles Cedex, France
Curr Biol 15:1494-500. 2005....
Arabidopsis RPA2: a genetic link among transcriptional gene silencing, DNA repair, and DNA replicationTaline Elmayan
Laboratoire de Biologie Cellulaire, Institut Jean Pierre Bourgin, Institut National de la Recherche Agronomique, 78026 Versailles Cedex, France
Curr Biol 15:1919-25. 2005..These results suggest a coordination of the TGS machinery with DNA replication, repair, or recombination machinery at some loci, and they emphasize the diversification of the TGS pathway...
AGO1 and AGO2 act redundantly in miR408-mediated Plantacyanin regulationNicolas Maunoury
Institut Jean Pierre Bourgin, INRA, Versailles, France
PLoS ONE 6:e28729. 2011..In contrast, AGO2 has only been implicated in antibacterial defense in association with miR393*, which has a 5'A. AGO2 also participates in antiviral defense in association with viral siRNAs...
RDR2 partially antagonizes the production of RDR6-dependent siRNA in sense transgene-mediated PTGSVincent Jauvion
Institut Jean Pierre Bourgin, INRA, Versailles, France
PLoS ONE 7:e29785. 2012....
The miRNA pathway limits AGO1 availability during siRNA-mediated PTGS defense against exogenous RNAAngel Emilio Martinez de Alba
Institut Jean Pierre Bourgin, UMR1318, INRA, 78026 Versailles Cedex, France
Nucleic Acids Res 39:9339-44. 2011..We suggest that the miRNA pathway imposes an important limitation on PTGS efficiency, which could help protect endogenous mRNAs from being routinely targeted by PTGS...
MicroRNA maturation and action--the expanding roles of ARGONAUTEsAllison C Mallory
Laboratoire de Biologie Cellulaire, Institut Jean Pierre Bourgin, INRA, 78026 Versailles Cedex, France
Curr Opin Plant Biol 11:560-6. 2008..Our expanding appreciation of miRNA-directed regulation during plant development and stress adaptations has placed miRNAs at the forefront of plant biology...
A single transgene locus triggers both transcriptional and post-transcriptional silencing through double-stranded RNA productionPhilippe Mourrain
Laboratoire de Biologie Cellulaire, Institut Jean Pierre Bourgin, INRA, 78026, Versailles Cedex, France
Planta 225:365-79. 2007..In contrast, we contribute local and systemic trafficking of silencing signals and sensitivity to viruses to the cytoplasmic steps of PTGS and to amplification steps that require high levels of target mRNAs...
Fertile hypomorphic ARGONAUTE (ago1) mutants impaired in post-transcriptional gene silencing and virus resistanceJean Benoit Morel
Laboratoire de Biologie Cellulaire, Institut National de la Recherche Agronomique, 78026 Versailles Cedex, France
Plant Cell 14:629-39. 2002..Finally, we show that hypomorphic ago1 mutants are hypersensitive to virus infection, confirming the hypothesis that in plants PTGS is a mechanism of defense against viruses...
The conserved RNA trafficking proteins HPR1 and TEX1 are involved in the production of endogenous and exogenous small interfering RNA in ArabidopsisVincent Jauvion
Institut Jean Pierre Bourgin, Institut National de la Recherche Agronomique, 78026 Versailles Cedex, France
Plant Cell 22:2697-709. 2010..We propose that both HPR1 and TEX1 participate in the trafficking of siRNA precursors to the ARGONAUTE catalytic center...
Auxin and light control of adventitious rooting in Arabidopsis require ARGONAUTE1Céline Sorin
Laboratoire de Biologie Cellulaire, Institut National de la Recherche Agronomique, 78026 Versailles Cedex, France
Plant Cell 17:1343-59. 2005..These results suggest that ARF17 could be a major regulator of adventitious rooting in Arabidopsis...
Molecular cloning and characterisation of the two homologous genes coding for nitrate reductase in tobaccoH Vaucheret
Laboratoire de Biologie Cellulaire, INRA Centre de Versailles, France
Mol Gen Genet 216:10-5. 1989..The remaining N-terminal part of the protein should thus carry the catalytic site of nitrate reduction by the molybdenum cofactor...
Mutations in the Arabidopsis H3K4me2/3 demethylase JMJ14 suppress posttranscriptional gene silencing by decreasing transgene transcriptionIvan Le Masson
Institut Jean Pierre Bourgin, Unité Mixte de Recherche 1318, Institut National de la Recherche Agronomique INRA, 78000 Versailles, France
Plant Cell 24:3603-12. 2012..Removing JMJ14 likely allows other H3K4 demethylases encoded by the Arabidopsis thaliana genome to act on transgenes and reduce transcription levels, thus preventing the triggering of S-PTGS...
Transcriptional gene silencing in plants: targets, inducers and regulatorsH Vaucheret
Laboratoire de Biologie Cellulaire, INRA, 78026, Versailles Cedex, France
Trends Genet 17:29-35. 2001..TGS and PTGS, therefore, appear to form two alternative pathways to control incoming, redundant and/or mobile nucleic acids...
AGO1, QDE-2, and RDE-1 are related proteins required for post-transcriptional gene silencing in plants, quelling in fungi, and RNA interference in animalsM Fagard
Laboratoire de Biologie Cellulaire, Institut National de la Recherche Agronomique, 78026 Versailles Cedex, France
Proc Natl Acad Sci U S A 97:11650-4. 2000..These results raise the possibility that PTGS, or at least some of its elements, could participate in the regulation of gene expression during development in plants...
Arabidopsis SGS2 and SGS3 genes are required for posttranscriptional gene silencing and natural virus resistanceP Mourrain
Laboratoire de Biologie Cellulaire, Institut National de la Recherche Agronomique, Versailles, France
Cell 101:533-42. 2000..Both sgs2 and sgs3 mutants show enhanced susceptibility to virus, definitively proving that PTGS is an antiviral defense mechanism that can also target transgene RNA for degradation...
Infection of tobacco or Arabidopsis plants by CMV counteracts systemic post-transcriptional silencing of nonviral (trans)genesC Beclin
Laboratoire de Biologie Cellulaire, INRA Versailles, Versailles Cedex, 78026, France
Virology 252:313-7. 1998....
Flank matrix attachment regions (MARs) from chicken, bean, yeast or tobacco do not prevent homology-dependent trans-silencing in transgenic tobacco plantsH Vaucheret
Laboratoire de Biologie Cellulaire, INRA, Versailles, France
Mol Gen Genet 259:388-92. 1998..These results therefore demonstrate that MARs are not able to protect transgene expression from strong silencing loci that act in trans...
The origin and effect of small RNA signaling in plantsJean Sébastien Parent
Institut Jean Pierre Bourgin, UMR1318, INRA Versailles, France
Front Plant Sci 3:179. 2012..We also review the various genetic requirements needed for production, movement and perception of the silencing signal...
Form, function, and regulation of ARGONAUTE proteinsAllison Mallory
Institut Jean Pierre Bourgin, Unité Mixte de Recherche 1318, Institut National de la Recherche Agronomique, 78026 Versailles Cedex, France
Plant Cell 22:3879-89. 2010..In this review, we present general features of plant and animal AGO proteins and detail our knowledge on the 10 Arabidopsis thaliana AGOs...
