Evidence map›Paper›PMID 12923252›Full record

ArticleRNA (New York, N.Y.)2003

Inhibition of HIV-1 reverse transcriptase by RNA aptamers in Escherichia coli.

David G Nickens, James T Patterson, Donald H Burke

Open access · bronzeAbstract read
In one paragraph

Article in RNA (New York, N.Y.), 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
1.3field-weighted citation impact, top 22% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

6 citing papers in PubMed, 24 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors at 1 institution in 1 country.

David G NickensDepartment of Chemistry, Indiana University, Bloomington, Indiana 47405, USA.
James T Patterson
Donald H Burke
Indiana University Bloomington · US

Funding

RNA-PROTEIN INTERACTIONSR01AI045344 · NIAID · INDIANA UNIVERSITY BLOOMINGTON · PI BURKE, DONALD H · 1999 to 2002
$669k
NIAID NIH HHS AI45344
6 · The paper itself

Abstract

A better understanding of aptamer function in bacteria would help to establish simple model systems for screening RNA-protein interactions within an intracellular context. Escherichia coli DNA polymerase I mutants (Pol I(ts)) fail to grow at 37 degrees C unless an exogenous DNA polymerase such as HIV-1 reverse transcriptase (RT) is expressed within the cell. Here, we show that four RNA aptamers that inhibit HIV-1 RT in vitro block complementation by HIV-1 RT when expressed in vivo. No other essential functions are impaired by aptamer expression at either temperature. Intracellular aptamer RNA concentrations from induced cultures were measured to range from 76 to 180 nM, which is comparable with exogenously expressed HIV-1 RT levels in these cells. RT polymerase activity was reduced to background levels in cell-free extracts prepared from cultures expressing both HIV-1 RT and the 70.28 aptamer, compared with extracts from cultures expressing HIV-1 RT alone. Intracellularly expressed RNA aptamers can thus be used to generate conditional null mutants in bacteria by titrating an essential protein.

Indexed as

Escherichia coliHIV-1HIV Reverse TranscriptaseRNATemperatureHIV Reverse TranscriptaseRNA

Identifiers

PMID12923252
PMCPMC1370468
OpenAlexW2109265505

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.