Evidence map›Paper›PMID 12626728›Full record

ArticleNucleic acids research2003

Optimum conditions for selective isolation of genes from complex genomes by transformation-associated recombination cloning.

Sun-Hee Leem, Vladimir N Noskov, Jung-Eun Park, Seung Il Kim, Vladimir Larionov, Natalay Kouprina

Abstract read
In one paragraph

Article in Nucleic acids research, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
–field-weighted citation impact
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

16 citing papers in PubMed.

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  9. Cloning whole bacterial genomes in yeast.Nucleic acids research · 2010
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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.

Sun-Hee LeemLaboratory of Biosystems and Cancer, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892-4471, USA.
Vladimir N Noskov
Jung-Eun Park
Seung Il Kim
Vladimir Larionov
Natalay Kouprina

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Transformation-associated recombination (TAR) cloning in yeast is used to isolate a desired chromosomal region or gene from a complex genome without construction of a genomic library. The technique involves homologous recombination during yeast spheroplast transformation between genomic DNA and a TAR vector containing short 5' and 3' gene-specific targeting hooks. Efficient gene capture requires a high yield of transformants, and we demonstrate here that the transformant yield increases approximately 10-fold when the genomic DNA is sheared to 100-200 kb before being presented to the spheroplasts. Here we determine the most effective concentration of genomic DNA, and also show that the targeted sequences recombine much more efficiently with the vector's targeting hooks when they are located at the ends of the genomic DNA fragment. We demonstrate that the yield of gene-positive clones increases approximately 20-fold after endonuclease digestion of genomic DNA, which caused double strand breaks near the targeted sequences. These findings have led to a greatly improved protocol.

Indexed as

Genome, HumanCell LineChromosomes, Artificial, YeastCloning, MolecularDNAGenesGenetic VectorsHumansRecombination, GeneticSaccharomyces cerevisiaeTransformation, GeneticDNA

Identifiers

PMID12626728
PMCPMC152883

What OpenQuestion holds

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Registered trials

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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.