What question did this study set out to answer?

The study investigates the translation of poliovirus RNA in a cell-free system to understand initiation sites.

May 1, 1984Journal of VirologyOpen Access

In vitro translation of poliovirus RNA: utilization of internal initiation sites in reticulocyte lysate

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Population

Poliovirus RNA in rabbit reticulocyte lysate (in vitro model)

Comparison

Translation in rabbit reticulocyte lysate… vs Translation in unsupplemented rabbit…

Design

Preclinical

Authors

ADAndrew J. DornerTakeda (United States)BSBert L. SemlerUniversity of California, Irvine RJRichard J. JacksonUniversity of Liverpool

Discussion

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Implication

Suggests host factor needs for accurate viral initiation; leaves open their identity and in vivo relevance.

Key Points

The study investigates the translation of poliovirus RNA in a cell-free system to understand initiation sites.
Examined translation of poliovirus RNA in rabbit reticulocyte lysate.
Identified proteins via immunoprecipitation and labeling techniques.
Assessed effects of supplementing reticulocyte lysate with HeLa cell extract.
Translation in reticulocyte lysate produced a unique electrophoretic profile for poliovirus proteins.
Internal initiation sites were utilized for protein synthesis, altering the expected profile.
Supplementing with HeLa cell extract restored proper initiation from 5'-proximal sequences.

Structured PICO

Population

Poliovirus RNA in rabbit reticulocyte lysate (in vitro model)

Intervention

Translation in rabbit reticulocyte lysate supplemented with poliovirus-infected HeLa cell extract

Comparator

Translation in unsupplemented rabbit reticulocyte lysate or in vivo

Outcome

Electrophoretic profile of poliovirus-specific proteins and identification of initiation sites

Ribosomes can recognize internal sequences as authentic initiation sites under certain conditions when deficient in components necessary for 5'-proximal initiation.

Cite This Study

Dorner et al. (1984) studied this question.

synapsesocial.com/papers/6a20b46bf778797513eb8a1d https://doi.org/10.1128/jvi.50.2.507-514.1984

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In vitro translation of poliovirus RNA: utilization of internal initiation sites in reticulocyte lysate

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

In vitro translation of poliovirus RNA: utilization of internal initiation sites in reticulocyte lysate

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

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