Search Results - "VAUCHERET, H"

(TRANS)GENE SILENCING IN PLANTS: How Many Mechanisms? by Fagard, M., Vaucheret, H.

“…Epigenetic silencing of transgenes and endogenous genes can occur at the transcriptional level (TGS) or at the posttranscriptional level (PTGS). Because they…”
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Post-transcriptional small RNA pathways in plants: mechanisms and regulations by Vaucheret, Hervé

“…Small RNAs are riboregulators that have critical roles in most eukaryotes. They repress gene expression by acting either on DNA to guide sequence elimination…”
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RNA Silencing in Plants-Defense and Counterdefense by Vance, Vicki, Vaucheret, Hervé

“…RNA silencing is a remarkable type of gene regulation based on sequence-specific targeting and degradation of RNA. The term encompasses related pathways found…”
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Post-transcriptional gene silencing in plants by Vaucheret, H, Béclin, C, Fagard, M

“…Post-transcriptional gene silencing (PTGS) in plants is an RNA-degradation mechanism that shows similarities to RNA interference (RNAi) in animals. Indeed,…”
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The miRNA pathway limits AGO1 availability during siRNA-mediated PTGS defense against exogenous RNA by Martínez de Alba, Angel Emilio, Jauvion, Vincent, Mallory, Allison C., Bouteiller, Nathalie, Vaucheret, Hervé

“…In plants, most microRNAs (miRNAs) and several endogenous small interfering RNAs (siRNAs) bind to ARGONAUTE1 (AGO1) to regulate the expression of endogenous…”
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AGO1 Homeostasis Entails Coexpression of MIR168 and AGO1 and Preferential Stabilization of miR168 by AGO1 by Vaucheret, Hervé, Mallory, Allison C., Bartel, David P.

“…Arabidopsis ARGONAUTE1 ( AGO1) encodes the RNA slicer enzyme of the microRNA (miRNA) pathway and is regulated by miR168-programmed, AGO1-catalyzed mRNA…”
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Partially Redundant Functions of Arabidopsis DICER-like Enzymes and a Role for DCL4 in Producing trans-Acting siRNAs by Gasciolli, Virginie, Mallory, Allison C., Bartel, David P., Vaucheret, Hervé

“…Arabidopsis encodes four DICER-like (DCL) proteins [1]. DCL1 produces miRNAs [2–4], DCL2 produces some virus-derived siRNAs, and DCL3 produces endogenous…”
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Nuclear processing and export of microRNAs in Arabidopsis by Park, M.Y, Wu, G, Gonzalez-Sulser, A, Vaucheret, H, Poethig, R.S

“…In mammalian cells, the nuclear export receptor, Exportin 5 (Exp5), exports pre-microRNAs (pre-miRNAs) as well as tRNAs into the cytoplasm. In this study, we…”
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DRB4-Dependent TAS3 trans-Acting siRNAs Control Leaf Morphology through AGO7 by Adenot, Xavier, Elmayan, Taline, Lauressergues, Dominique, Boutet, Stéphanie, Bouché, Nicolas, Gasciolli, Virginie, Vaucheret, Hervé

“…trans-acting siRNAs (ta-siRNAs) are endogenous RNAs that direct the cleavage of complementary mRNA targets [1, 2]. TAS gene transcripts are cleaved by miRNAs;…”
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Systemic silencing signal(s) by Fagard, M, Vaucheret, H

“…Grafting experiments have revealed that transgenic plants that undergo co-suppression of homologous transgenes and endogenous genes or PTGS of exogenous…”
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HC-Pro Suppression of Transgene Silencing Eliminates the Small RNAs but Not Transgene Methylation or the Mobile Signal by Mallory, Allison C., Ely, Lara, Smith, Trent H., Marathe, Rajendra, Anandalakshmi, Radhamani, Fagard, Mathilde, Vaucheret, Herve, Pruss, Gail, Bowman, Lewis, Vance, Vicki B.

“…Post-transcriptional gene silencing (PTGS) is a sequence-specific RNA degradation mechanism that is widespread in eukaryotic organisms. It is often associated…”
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Transcriptional gene silencing in plants: targets, inducers and regulators by Vaucheret, Hervé, Fagard, Mathilde

“…Gene silencing can occur either through repression of transcription, termed transcriptional gene silencing (TGS), or through mRNA degradation, termed…”
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Auxin and Light Control of Adventitious Rooting in Arabidopsis Require ARGONAUTE1 by Sorin, Céline, Bussell, John D, Camus, Isabelle, Ljung, Karin, Kowalczyk, Mariusz, Geiss, Gaia, McKhann, Heather, Garcion, Christophe, Vaucheret, Hervé, Sandberg, Göran, Bellini, Catherine

“…Adventitious rooting is a quantitative genetic trait regulated by both environmental and endogenous factors. To better understand the physiological and…”
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Gene silencing mediated by promoter homology occurs at the level of transcription and results in meiotically heritable alterations in methylation and gene activity by Park, Y.‐D., Papp, I., Moscone, E.A., Iglesias, V.A., Vaucheret, H., Matzke, A.J.M., Matzke, M.A.

“…The promoter homology‐dependent inactivation of a 35Spro‐hygromycin phosphotransferase (hpt) gene, which is present at the H2 locus, by the multipurpose 271…”
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Arabidopsis RPA2: A Genetic Link among Transcriptional Gene Silencing, DNA Repair, and DNA Replication by Elmayan, Taline, Proux, Florence, Vaucheret, Hervé

“…Transcriptional gene silencing (TGS) controls the expression of transposable elements and of endogenous genes containing promoter repeats, and it is associated…”
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Unexpected silencing effects from T-DNA tags in Arabidopsis by Daxinger, Lucia, Hunter, Ben, Sheikh, Mazhar, Jauvion, Vincent, Gasciolli, Virginie, Vaucheret, Hervé, Matzke, Marjori, Furner, Ian

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Arabidopsis HEN1: A Genetic Link between Endogenous miRNA Controlling Development and siRNA Controlling Transgene Silencing and Virus Resistance by Boutet, Stéphanie, Vazquez, Franck, Liu, Jun, Béclin, Christophe, Fagard, Mathilde, Gratias, Ariane, Morel, Jean-Benoit, Crété, Patrice, Chen, Xuemei, Vaucheret, Hervé

“…In animals, double-stranded short interfering RNA (siRNA) and single-stranded microRNA (miRNA) regulate gene expression by targeting homologous mRNA for…”
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The Arabidopsis HOMOLOGY-DEPENDENT GENE SILENCINGI gene codes for an S-adenosyl-L-homocysteine hydrolase required for DNA methylation-dependent gene silencing by Rocha, Pedro S.C.F., Sheikh, Mazhar, Melchiorre, Rosalba, Fagard, Mathilde M., Boutet, Stephane, Loach, Rebecca, Moffatt, Barbara, Wagner, Conrad, Vaucheret, Herve H., Furner, Ian

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Arabidopsis Histone Deacetylase HDA6 Is Required for Maintenance of Transcriptional Gene Silencing and Determines Nuclear Organization of rDNA Repeats by Probst, Aline V., Fagard, Mathilde, Proux, Florence, Mourrain, Philippe, Boutet, Stéphanie, Earley, Keith, Lawrence, Richard J., Pikaard, Craig S., Murfett, Jane, Furner, Ian, Vaucheret, Hervé, Scheid, Ortrun Mittelsten

“…Histone acetylation and deacetylation are connected with transcriptional activation and silencing in many eukaryotic organisms. Gene families for enzymes that…”
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RNA polymerase IV and transcriptional silencing by Vaucheret, Hervé

“…RNA-based silencing mechanisms suppress gene expression through the sequence-specific activity of small RNAs. New studies in plants now identify atypical RNA…”
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