Evidence map›Paper›PMID 23106263›Full record

ArticleBiochemistry2012

Bypass of a psoralen DNA interstrand cross-link by DNA polymerases β, ι, and κ in vitro.

Leigh A Smith, Alena V Makarova, Laura Samson, Katherine E Thiesen, Alok Dhar, Tadayoshi Bessho

Open access · greenAbstract read
In one paragraph

Article in Biochemistry, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
0.5field-weighted citation impact, top 33% 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

13 citing papers in PubMed, 22 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

6 authors at 3 institutions in 2 countries.

Leigh A SmithEppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, Nebraska 68198, United States.
Alena V Makarova
Laura Samson
Katherine E Thiesen
Alok Dhar
Tadayoshi Bessho
University of Nebraska Medical Center · USInstitute of Molecular Genetics · RUNebraska Wesleyan University · US

Funding

The molecular mechanism of DNA interstrand crosslink repair in humansR01GM080458 · NIGMS · UNIVERSITY OF NEBRASKA MEDICAL CENTER · PI BESSHO, TADAYOSHI · 2008 to 2011
$1.0M
NIGMS NIH HHS GM080458NIGMS NIH HHS R01 GM080458
6 · The paper itself

Abstract

Repair of DNA interstrand cross-links in mammalian cells involves several biochemically distinctive processes, including the release of one of the cross-linked strands and translesion DNA synthesis (TLS). In this report, we investigated the in vitro TLS activity of a psoralen DNA interstrand cross-link by three DNA repair polymerases, DNA polymerases β, κ, and ι. DNA polymerase β is capable of bypassing a psoralen cross-link with a low efficiency. Cell extracts prepared from DNA polymerase β knockout mouse embryonic fibroblasts showed a reduced bypass activity of the psoralen cross-link, and purified DNA polymerase β restored the bypass activity. In addition, DNA polymerase ι misincorporated thymine across the psoralen cross-link and DNA polymerase κ extended these mispaired primer ends, suggesting that DNA polymerase ι may serve as an inserter and DNA polymerase κ may play a role as an extender in the repair of psoralen DNA interstrand cross-links. The results demonstrated here indicate that multiple DNA polymerases could participate in TLS steps in mammalian DNA interstrand cross-link repair.

Indexed as

AnimalsCross-Linking ReagentsDNADNA-Directed DNA PolymeraseDNA Polymerase betaDNA Polymerase iotaDNA RepairFicusinHumansMiceY-Family DNA PolymerasesCross-Linking ReagentsDNADNA-Directed DNA PolymeraseDNA Polymerase betaDNA Polymerase iotaFicusinPOLK protein, humanY-Family DNA Polymerases

Identifiers

PMID23106263
PMCPMC3516411
OpenAlexW2315214870

What OpenQuestion holds

Textmetadata
LicenceTDM
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.