Polymerase Slippage at Vesicular Stomatitis Virus Gene Junctions To Generate Poly(A) Is Regulated by the Upstream 3′-AUAC-5′ Tetranucleotide: Implications for the Mechanism of Transcription Termination

Abstract excerpt

Termination of mRNA synthesis in vesicular stomatitis virus (VSV), the prototypic rhabdovirus, is controlled by a 13-nucleotide gene end sequence which comprises the conserved tetranucleotide 3'-AUAC-5', the U(7) tract and the intergenic dinucleotide. mRNAs terminated at this sequence possess 100- to 300-nucleotide-long 3' poly(A) tails which are thought to result from polymerase slippage (reiterative...

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