Results 311 to 320 of about 505,956 (331)
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Current Opinion in Biotechnology, 2000
Gene silencing through the increased degradation of mRNA appears to represent a novel cellular pathway that is functional in a broad range of organisms. Recent work has established a role for RNA silencing in host antiviral defense and transposon silencing, suggesting a potential application in plant functional genomics.
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Gene silencing through the increased degradation of mRNA appears to represent a novel cellular pathway that is functional in a broad range of organisms. Recent work has established a role for RNA silencing in host antiviral defense and transposon silencing, suggesting a potential application in plant functional genomics.
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Geminiviruses and RNA silencing
Trends in Plant Science, 2005Geminiviruses are single-stranded circular DNA viruses that cause economically significant diseases in a wide range of crop plants worldwide. In plants, post-transcriptional gene silencing (PTGS) acts as a natural anti-viral defense system and plays a role in genome maintenance and development.
Ramachandran, Vanitharani +2 more
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Cellular and Molecular Life Sciences, 2003
A number of gene-silencing phenomena including co-suppression discovered in plants, quelling in fungi and RNA interference in animals have been revealed to have steps in common. All occur in the cytoplasm at a post-transcriptional level with the mRNAs of target genes degraded in a sequence-specific manner. Small non-coding RNA molecules demonstrated to
A. S. Pickford, COGONI, Carlo
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A number of gene-silencing phenomena including co-suppression discovered in plants, quelling in fungi and RNA interference in animals have been revealed to have steps in common. All occur in the cytoplasm at a post-transcriptional level with the mRNAs of target genes degraded in a sequence-specific manner. Small non-coding RNA molecules demonstrated to
A. S. Pickford, COGONI, Carlo
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RNA-dependent RNA polymerases in RNA silencing
Biological Chemistry, 2011Abstract RNA-dependent RNA polymerases (RdRPs) synthesize double-stranded RNAs that are processed into small RNAs and mediate gene silencing. Viral RdRPs and cellular RdRPs show little structural homology to each other. Cellular RdRPs play key roles in RNA silencing by producing complementary strands for target RNAs via Dicer-dependent and -
Yoshiko, Maida, Kenkichi, Masutomi
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Trends in Genetics, 1999
Double-stranded RNA (dsRNA) has recently been shown to trigger sequence-specific gene silencing in a wide variety of organisms, including nematodes, plants, trypanosomes, fruit flies and planaria; meanwhile an as yet uncharacterized RNA trigger has been shown to induce DNA methylation in several different plant systems.
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Double-stranded RNA (dsRNA) has recently been shown to trigger sequence-specific gene silencing in a wide variety of organisms, including nematodes, plants, trypanosomes, fruit flies and planaria; meanwhile an as yet uncharacterized RNA trigger has been shown to induce DNA methylation in several different plant systems.
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RNA silencing and genome regulation
Trends in Cell Biology, 2005Closely related RNA silencing phenomena such as posttranscriptional and transcriptional gene silencing (PTGS and TGS), quelling and RNA interference (RNAi) represent different forms of a conserved ancestral process. The biological relevance of these RNA-directed mechanisms of silencing in gene regulation, genome defence and chromosomal structure is ...
Ricardo, Almeida, Robin C, Allshire
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RNA-Dependent RNA Polymerases, Viruses, and RNA Silencing
Science, 2002Most viruses have RNA genomes that are replicated and transcribed into messenger RNA by viral RNA–dependent RNA polymerases (RdRps), usually in concert with other viral and host factors. Many, if not most, eukaryotes also encode putative RdRps that have been implicated in sequence-specific, RNA-triggered gene silencing.
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Viral suppressors of RNA silencing
Current Opinion in Biotechnology, 2001The suppression of RNA silencing by plant viruses represents a viral adaptation to a novel host antiviral defense. Three types of viral suppressors have been identified through the use of a variety of silencing suppression assays. The first two types of suppressor are capable of a complete or partial reversal of pre-existing RNA silencing; the third ...
W X, Li, S W, Ding
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Viral suppressors of RNA silencing
Trends in Plant Science, 2011The infection and replication of viruses in the host induce diverse mechanisms for combating viral infection. One of the best-studied antiviral defence mechanisms is based on RNA silencing. Consistently, several viral suppressors of RNA silencing (VSRs) have been identified from almost all plant virus genera, which are surprisingly diverse within and ...
József, Burgyán, Zoltán, Havelda
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Science, 2000
Eukaryotic cells have developed an elegant system called RNA silencing for getting rid of foreign RNAs whether they be of viral, retrotransposon, or transgene origin. In his Perspective, [Baulcombe][1] examines new findings ([ Wu-Scharf et al .][2]) showing that in a green alga the gene responsible for RNA silencing encodes an RNA helicase (related to ...
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Eukaryotic cells have developed an elegant system called RNA silencing for getting rid of foreign RNAs whether they be of viral, retrotransposon, or transgene origin. In his Perspective, [Baulcombe][1] examines new findings ([ Wu-Scharf et al .][2]) showing that in a green alga the gene responsible for RNA silencing encodes an RNA helicase (related to ...
openaire +1 more source