Evidence map›Paper›PMID 6308665›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America1983

Recombination between antibody heavy chain variable-region genes: evidence for gene conversion.

U Krawinkel, G Zoebelein, M Brüggemann, A Radbruch, K Rajewsky

Open access · greenAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 1983. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 50 papers.

0numbers the graph read from it
0cells of the map it votes in
50citing papers in PubMed
10.4field-weighted citation impact, top 2% 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

50 citing papers in PubMed, 104 citations in OpenAlex.

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  13. Evidence for two pathways of meiotic intrachromosomal recombination in yeast.Proceedings of the National Academy of Sciences of the United States of America · 1989
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  19. Mutation in the CYP21B gene (Ile-172----Asn) causes steroid 21-hydroxylase deficiency.Proceedings of the National Academy of Sciences of the United States of America · 1988
    Article
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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

5 authors.

U Krawinkel
G Zoebelein
M Brüggemann
A Radbruch
K Rajewsky

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The murine hybridoma line B1-8.delta 1 secretes monoclonal IgD lambda 1 antibodies specific for the hapten (4-hydroxy-3-nitrophenyl)acetyl (NP). The variable (V) region of these antibodies is defined by a characteristic pattern of idiotopes. A spontaneous V-region variant (B1-8.V1) with altered idiotope pattern was selected. The structural variation is confined to the V region of the heavy chain. It was shown previously that the variant V region is encoded by a gene that was generated by a crossover between the rearranged VDJ gene of the wild type (B1-8.delta 1) and a neighboring germ-line VH gene. In the present study the nucleotide sequence of coding and flanking regions of the VH gene expressed in variant B1-8.V1 was determined. Wild-type and variant VH genes differ at 15 positions in a region between leader sequence and codon 66. The sequence of the region carrying the substitutions is identical to the sequence of the corresponding region in a neighboring germ-line VH gene. This implies that the variant VH gene was generated by a mechanism of recombination more complicated than single crossover. Gene conversion as the mechanism of the recombination is discussed.

Indexed as

Cloning, MolecularGene ConversionGenesAnimalsBacteriophage lambdaBase SequenceBinding Sites, AntibodyDNA, RecombinantDNA Restriction EnzymesGenotypeHybridomasImmunoglobulin Heavy ChainsImmunoglobulin IdiotypesImmunoglobulin Variable RegionMiceNucleic Acid HybridizationDNA, RecombinantDNA Restriction EnzymesImmunoglobulin Heavy ChainsImmunoglobulin IdiotypesImmunoglobulin Variable Region

Identifiers

PMID6308665
PMCPMC384175
OpenAlexW1997801446

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.