About: Prevotella-2 RNA motif     Goto   Sponge   NotDistinct   Permalink

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The Prevotella-2 RNA motif is a conserved RNA structure that was discovered by bioinformatics.Energetically stable tetraloops often occur in this motif.Prevotella-2 motif RNAs are found in the bacterial genus Prevotella.

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  • Prevotella-2 RNA motif (en)
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  • The Prevotella-2 RNA motif is a conserved RNA structure that was discovered by bioinformatics.Energetically stable tetraloops often occur in this motif.Prevotella-2 motif RNAs are found in the bacterial genus Prevotella. (en)
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  • Prevotella-2 (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/RF03043.svg
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  • Consensus secondary structure and sequence conservation of Prevotella-2 RNA (en)
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  • Prevotella-2 (en)
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  • The Prevotella-2 RNA motif is a conserved RNA structure that was discovered by bioinformatics.Energetically stable tetraloops often occur in this motif.Prevotella-2 motif RNAs are found in the bacterial genus Prevotella. Nearly all Prevotella-2 RNAs occur upstream of genes that encode sodium/proton antiporters. These data suggest that the RNAs function as cis-regulatory elements. However, one Prevotella-2 RNA is located upstream of a gene encoded on the opposite DNA strand, which would be unlikely for a cis-regulatory function in bacteria. Therefore, it is also possible that Prevotella-2 RNAs are small RNAs that operate in trans. In this model, their association with sodium/proton antiporters would be a coincidence. Most Prevotella-2 RNAs are followed by a Rho-independent transcription terminator. If the RNAs function in cis, these transcript terminators might be a part of the mechanism used to achieve gene regulation. If, on the other hand, Prevotella-2 RNAs correspond to small RNAs, the terminators may simply terminate the transcript containing this non-coding RNA. (en)
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  • RF03043 (en)
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