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February 1, 1991Genes & DevelopmentOpen Access

The role of branchpoint and 3'-exon sequences in the control of balanced splicing of avian retrovirus RNA.

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Population

Avian sarcoma-leukosis virus (ASLV) pre-mRNA (wild-type, mutant, and pseudorevertant)

Comparison

Insertion mutations and cis-acting suppressor… vs Wild-type ASLV RNA

Design

Preclinical

Authors

XFXiang‐Dong FuJohn Innes CentreRKRichard A. KatzFox Chase Cancer CenterASA M SkalkaUtah State University

Discussion

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Implication

In vitro splicing data extend mechanistic understanding of splice site mutations; leaves open relevance to mammalian systems or therapeutic targeting.

Structured PICO

P
Population
Avian sarcoma-leukosis virus (ASLV) pre-mRNA (wild-type, mutant, and pseudorevertant)
I
Intervention
Insertion mutations and cis-acting suppressor mutations (single-base changes, small deletions near 3' splice site, deletions in 3' exon)
C
Comparator
Wild-type ASLV RNA
O
Outcome
Efficiency and pattern of pre-mRNA splicing (spliceosome assembly, lariat formation, cleavage, exon ligation)

The efficiency of splicing at the env 3' splice site in ASLV can be affected at multiple levels including spliceosome assembly, lariat formation, and exon ligation.

Cite This Study

Fu et al. (1991) studied this question.

synapsesocial.com/papers/6a901e86b71d06dae589d553https://doi.org/10.1101/gad.5.2.211
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Control of retroviral RNA splicing through maintenance of suboptimal processing signals.1990 · 139 citations
  2. 2Multiple regions in the Rous sarcoma virus src gene intron act in cis to affect the accumulation of unspliced RNA1989 · 76 citations
  3. 3Branch point selection in alternative splicing of tropomyosin pre-mRNAs1989 · 89 citations
  4. 4Mammalian pre-mRNA branch site selection by U2 snRNP involves base pairing.1989 · 314 citations
  5. 5A compensatory base change in human U2 snRNA can suppress a branch site mutation.1989 · 290 citations