Abstract
Proteins with homology to RNA-directed RNA polymerases function in post-transcriptional gene silencing: in quelling in the fungus Neurospora crassa, RNAi in the nematode Caenorhabditis elegans, and co-suppression in the mustard plant Arabidopsis thaliana. These findings are consistent with a conserved mechanism operating in these diverse species.
MeSH terms
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Animals
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Arabidopsis / enzymology
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Arabidopsis / genetics
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Arabidopsis Proteins*
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Conserved Sequence / genetics
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Evolution, Molecular*
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Gene Silencing*
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Genes, Plant / genetics
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Plant Proteins / genetics
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Plant Proteins / metabolism
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RNA-Dependent RNA Polymerase / genetics
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RNA-Dependent RNA Polymerase / metabolism*
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Transcription, Genetic / genetics*
Substances
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Arabidopsis Proteins
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Plant Proteins
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SGS3 protein, Arabidopsis
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RNA-Dependent RNA Polymerase