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Literature summary for 2.7.7.52 extracted from

  • Aphasizheva, I.; Aphasizhev, R.
    RET1-catalyzed uridylylation shapes the mitochondrial transcriptome in Trypanosoma brucei (2010), Mol. Cell. Biol., 30, 1555-1567.
    View publication on PubMedView publication on EuropePMC
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Organism

Organism UniProt Comment Textmining
Trypanosoma brucei
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Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information isoform RET1 adds U tails to gRNAs, rRNAs, and selected mRNAs and contributes U residues into A/U heteropolymers. Isoform RET1's terminal uridylyl transferase activity is required for the nucleolytic processing of gRNA, rRNA, and mRNA precursors. The U tail’s presence does not affect the stability of gRNAs and rRNAs, while transcript-specific uridylylation triggers 3' to 5' mRNA decay. The minicircle-encoded antisense transcripts, which are stabilized by RET1-catalyzed uridylylation, may direct a nucleolytic cleavage of multicistronic precursors Trypanosoma brucei ?
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Synonyms

Synonyms Comment Organism
RET1
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 Trypanosoma brucei

General Information

General Information Comment Organism
physiological function isoform RET1 adds U tails to gRNAs, rRNAs, and selected mRNAs and contributes U residues into A/U heteropolymers. Isoform RET1's terminal uridylyl transferase activity is required for the nucleolytic processing of gRNA, rRNA, and mRNA precursors. The U tail’s presence does not affect the stability of gRNAs and rRNAs, while transcript-specific uridylylation triggers 3' to 5' mRNA decay. The minicircle-encoded antisense transcripts, which are stabilized by RET1-catalyzed uridylylation, may direct a nucleolytic cleavage of multicistronic precursors Trypanosoma brucei