Evidence map›Paper›PMID 9016665›Full record

ArticleNucleic acids research1996

The joining of non-complementary DNA double-strand breaks by mammalian extracts.

R M Mason, J Thacker, M P Fairman

Open access · bronzeAbstract read
In one paragraph

Article in Nucleic acids research, 1996. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
1.8field-weighted citation impact, top 14% 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

24 citing papers in PubMed, 60 citations in OpenAlex.

  1. Review
  2. Human RecQ Helicases in DNA Double-Strand Break Repair.Frontiers in cell and developmental biology · 2021
    Review
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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.

R M MasonDNA Repair and Mutagenesis Group, MRC Radiation and Genome Stability Unit, Harwell, Didcot, Oxon, UK.
J Thacker
M P Fairman
Mary Lyon Centre at MRC Harwell · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We have developed a high efficiency system in which mammalian extracts join DNA double-strand breaks with non-complementary termini. This system has been used to obtain a large number of junction sequences from a range of different break-end combinations, allowing the elucidation of the joining mechanisms. Using an extract of calf thymus it was found that the major mechanism of joining was by blunt-end ligation following removal or fill-in of the single-stranded bases. However, some break-end combinations were joined through an efficient mechanism using short repeat sequences and we have succeeded in separating this mechanism from blunt-end joining by the biochemical fractionation of extracts. Characterization of activities and sequence data in an extensively purified fraction that will join ends by the repeat mechanism led to a model where joining is initiated by 3' strand invasion followed by pairing to short repeat sequences close to the break site. Thus the joining of double-strand breaks by mammalian extracts is achieved by several mechanisms and this system will allow the purification of the factors involved in each by the judicial choice of the non-complementary ends used in the assay.

Indexed as

DNA DamageDNA RepairAnimalsCattleCell ExtractsDNA, ComplementaryCell ExtractsDNA, Complementary

Identifiers

PMID9016665
PMCPMC146356
OpenAlexW2136684701

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.