Evidence map›Paper›PMID 9691048›Full record

ArticleGenetics1998

Efficient repair of all types of single-base mismatches in recombination intermediates in Chinese hamster ovary cells. Competition between long-patch and G-T glycosylase-mediated repair of G-T mismatches.

C A Bill, W A Duran, N R Miselis, J A Nickoloff

Open access · bronzeAbstract read
In one paragraph

Article in Genetics, 1998. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
1.1field-weighted citation impact, top 23% 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

20 citing papers in PubMed, 58 citations in OpenAlex.

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  18. Weak selection and recent mutational changes influence polymorphic synonymous mutations in humans.Proceedings of the National Academy of Sciences of the United States of America · 2006
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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

4 authors at 2 institutions in 1 country.

C A BillDepartment of Cancer Biology, Harvard University School of Public Health, Boston, Massachusetts 02115, USA.
W A Duran
N R Miselis
J A Nickoloff
Harvard University · USUniversity of New Mexico · US

Funding

MECHANISMS OF DNA DAMAGE INDUCED RECOMBINATIONR01CA054079 · NCI · UNIVERSITY OF NEW MEXICO · PI NICKOLOFF, JAC A · 1995 to 2002
$684k
MAMMALIAN MODELS FOR RADIATION-INDUCED RECOMBINATIONR29CA054079 · NCI · HARVARD UNIVERSITY (MEDICAL SCHOOL) · PI NICKOLOFF, JAC A · 1990 to 1994
–
NCI NIH HHS CA-54079
6 · The paper itself

Abstract

Repair of all 12 single-base mismatches in recombination intermediates was investigated in Chinese hamster ovary cells. Extrachromosomal recombination was stimulated by double-strand breaks in regions of shared homology. Recombination was predicted to occur via single-strand annealing, yielding heteroduplex DNA (hDNA) with a single mismatch. Nicks were expected on opposite strands flanking hDNA, equidistant from the mismatch. Unlike studies of covalently closed artificial hDNA substrates, all mismatches were efficiently repaired, consistent with a nick-driven repair process. The average repair efficiency for all mispairs was 92%, with no significant differences among mispairs. There was significant strand-independent repair of G-T --> G-C, with a slightly greater bias in a CpG context. Repair of C-A was also biased (toward C-G), but no A-C --> G-C bias was found, a possible sequence context effect. No other mismatches showed evidence of biased repair, but among hetero-mismatches, the trend was toward retention of C or G vs. A or T. Repair of both T-T and G-T mismatches was much less efficient in mismatch repair-deficient cells (approximately 25%), and the residual G-T repair was completely biased toward G-C. Our data indicate that single-base mismatches in recombination intermediates are substrates for at least two competing repair systems.

Indexed as

Recombination, GeneticThymine DNA GlycosylaseAnimalsBase CompositionBase SequenceCHO CellsCricetinaeDNADNA RepairN-Glycosyl HydrolasesNucleic Acid HeteroduplexesPoint MutationDNAmismatch-specific thymine uracil-DNA glycosylaseN-Glycosyl HydrolasesNucleic Acid HeteroduplexesThymine DNA Glycosylase

Identifiers

PMID9691048
PMCPMC1460289
OpenAlexW1930153672

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.