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Controlling the elongation phase of transcription with P-TEFb

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Peterlin, B. Matija, Price, David H.·2006·Molecular Cell

Abstract

The positive transcription elongation factor b (P-TEFb) is a cyclin-dependent kinase that controls the elongation phase of transcription by RNA polymerase II (RNAPII). This process is made possible by the reversal of effects of negative elongation factors that include NELF and DSIF. In complex organisms, elongation control is critical for the regulated expression of most genes. In those organisms, the function of P-TEFb is influenced negatively by HEXIM proteins and 7SK snRNA and positively by a variety of recruiting factors. Phylogenetic analyses of the components of the human elongation control machinery indicate that the number of mechanisms utilized to regulate P-TEFb function increased as organisms developed more complex developmental patterns.

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Crossref · 10.1016/j.molcel.2006.06.014

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  • Following Tat-TAR interaction, the host super elongation complex, including p-TEFb and PAF-1, is recruited to boost transcription and significantly increase production of viral RNA transcripts.

    “Following the Tat–TAR interaction, the host super elongation complex, which includes the cellular positive transcription elongation factor p-TEFb and polymerase-associated factor 1 (PAF-1), is recruited to further boost transcription, significantly increasing the production of viral RNA transcripts (Fig. 8A) (Peterlin and Price 2006, Tahirov et al. 2010, Gu et al. 2014).”

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Authors
Peterlin, B. M., & Price, D. H.
Affiliations
  • University of California, San Francisco (US)
  • University of Iowa (US)
Corresponding author
  • Peterlin, B. Matija
  • Price, David H.
Venue
Molecular Cell
Publisher
Elsevier BV
Published
2006-08
Volume
23
Issue
3
Pages
297-305
ISSN
1097-2765 (ISSN-L)
OpenAlex
W2057228860
Cited by
1,144
References
1
Citations by year
2026: 32 · 2025: 32 · 2024: 39 · 2023: 40 · 2022: 41 · 2021: 53 · 2020: 63 · 2019: 50 · 2018: 42 · 2017: 50 · 2016: 53 · 2015: 62 · 2014: 64 · 2013: 87 · 2012: 89
FWCI
4.99
Type
journal article
Language
en
Open access
Locations
  • Molecular Cell (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (5r01ai043691-04)
  • National Institute of General Medical Sciences (R01GM035500, GM-35500)
  • National Institute of Allergy and Infectious Diseases (AI43691, P01AI058708, AI 50770, AI51165, R01AI050770, R01AI049104, AI49104, AI58708, R01AI051165)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chromatin Remodeling and Cancer
Keywords
P-TEFb, transcription elongation, RNA polymerase II, cyclin-dependent kinases, NELF, DSIF, 7SK snRNA, phylogenetic analysis, gene expression regulation
MeSH terms
Animals, Gene Expression Regulation, Humans, Phylogeny, RNA Polymerase II, Transcription Factors, Transcription, Genetic, Positive Transcriptional Elongation Factor B

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