The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
A functional mRNA polyadenylation signal is required for transcription termination by RNA polymerase II.
Open accessAbstract
Polyadenylation of pre-mRNAs requires the conserved hexanucleotide AAUAAA, as well as sequences located downstream from the poly(A) addition site. The role of these sequences in the production of functional mRNAs was studied by analyzing a series of mutants containing deletions or substitutions in the SV40 early region poly(A) site. As expected, both a previously defined GU-rich downstream element and an AAUAAA sequence were required for efficient usage of the wild-type poly(A) addition site. However, when either of these elements was deleted, greatly increased levels of SV40-specific RNA were detected in the nuclei of transfected cells. Evidence is presented that this accumulation of RNA resulted from a failure of transcription termination, leading to multiple rounds of transcription of the circular templates. We conclude that the sequences required for efficient cleavage/polyadenylation of the SV40 early pre-mRNA also constitute an important element of an RNA polymerase II termination signal. A model proposing a mechanism by which the act of pre-mRNA 3' end formation is signaled to the elongating RNA polymerase, resulting in termination, is presented.
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Johnson, P. F., Landschulz, W. H., Graves, B. J., & McKnight, S. L. (1987) · Genes & Development · doi:10.1101/gad.1.2.133 · Cited by 595
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Metadata
- Authors
- Connelly, S., & Manley, J. L.
- Venue
- Genes & Development
- Publisher
- Cold Spring Harbor Laboratory
- Published
- 1988-04
- Volume
- 2
- Issue
- 4
- Pages
- 440-452
- ISSN
- 0890-9369 (ISSN-L)
- 1549-5477
- OpenAlex
- W2143488845
- Cited by
- 384
- References
- 1
- Type
- posted content
- Language
- en
- Open access
- diamond
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