Cited by 85RNA Research and SplicingHIV Research and TreatmentRNA and protein synthesis mechanisms

Efficient polyadenylation within the human immunodeficiency virus type 1 long terminal repeat requires flanking U3-specific sequences

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Brown, P H, Tiley, L S, Cullen, B R·1991·Journal of Virology

Abstract

During transcription of the human immunodeficiency virus type 1 provirus, polyadenylation signals present in the 5' long terminal repeat (LTR) are disregarded while the identical polyadenylation signals present in the 3' LTR are utilized efficiently. As both transcribed LTR sequences contain all signals known to be required for efficient polyadenylation, the basis for this differential utilization has been unclear. Here, we describe experiments that suggest that transcribed sequences present within the human immunodeficiency virus type 1 LTR U3 region act in cis to enhance polyadenylation within the 3' LTR.

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Crossref · 10.1128/jvi.65.6.3340-3343.1991

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15 of 15 references verified0 citation errors · 0 not checkable

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  • Specific sequences in the U3 region upstream of the conserved hexamer boost polyadenylation by improving CPSF binding both in vitro and in vivo.

    “These sequences have been shown to boost polyadenylation by improving CPSF binding both in vitro as well as in vivo (Brown et al. 1991, Valsamakis et al. 1992, Ashe et al. 1995, Gilmartin et al. 1995, Graveley and Gilmartin 1996).”

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Authors
Brown, P. H., Tiley, L. S., & Cullen, B. R.
Affiliations
Howard Hughes Medical Institute (US)
Venue
Journal of Virology
Published
1991-06
Volume
65
Issue
6
Pages
3340-3343
ISSN
  • 0022-538X (ISSN-L)
  • 1098-5514
OpenAlex
W1878762428
Cited by
85
References
15
Citations by year
2025: 1 · 2024: 2 · 2022: 1 · 2021: 1 · 2019: 3 · 2015: 5 · 2013: 5 · 2012: 1
FWCI
2.38
Type
journal article
Language
en
Open access
Locations
  • Journal of Virology (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
  • Life Sciences › Immunology and Microbiology › Virology › HIV Research and Treatment
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA and protein synthesis mechanisms
Keywords
HIV-1, long terminal repeat, polyadenylation, 3' LTR, U3 region, cis-regulatory elements, proviral transcription, polyadenylation signal, HIV-1 provirus
MeSH terms
Base Sequence, Cytomegalovirus, Poly A, Promoter Regions, Genetic, RNA, Messenger, HIV-1, Mutagenesis, HIV Long Terminal Repeat

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