Evidence map›Paper›PMID 8628663›Full record

ArticleNucleic acids research1996

Photocleavable biotin phosphoramidite for 5'-end-labeling, affinity purification and phosphorylation of synthetic oligonucleotides.

J Olejnik, E Krzymańska-Olejnik, K J Rothschild

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 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
1.0field-weighted citation impact, top 24% 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

12 citing papers in PubMed, 63 citations in OpenAlex.

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  8. Photocleavage of a 2-nitrobenzyl linker bridging a fluorophore to the 5' end of DNA.Proceedings of the National Academy of Sciences of the United States of America · 2003
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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 2 countries.

J OlejnikDepartment of Physics and Molecular Biophysics Laboratory, Boston University, MA 02215, USA.
E Krzymańska-Olejnik
K J Rothschild
Boston University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We report the design, synthesis and evaluation of a non-nucleosidic photocleavable biotin phosphoramidite (PCB-phosphoramidite) which provides a simple method for purification and phosphorylation of oligonucleotides. This reagent introduces a photocleavable biotin label (PCB) on the 5'-terminal phosphate of synthetic oligonucleotides and is fully compatible with automated solid support synthesis. HPLC analysis shows that the PCB moiety is introduced predominantly on full-length sequences and is retained during cleavage of the synthetic oligonucleotide from the solid support and during subsequent deprotection with ammonia. The full-length 5-PCB-labeled oligonucleotide can then be selectively isolated from the crude oligonucleotide mixture by incubation with immobilized streptavidin. Upon irradiation with 300-350 nm light the 5'-PCB moiety is cleaved with high efficiency in <4 min, resulting in rapid release of affinity-purified 5'-phosphorylated oligonucleotides into solution. 5'-PCB-labeled oligonucleotides should be useful in a variety of applications in molecular biology, including cassette mutagenesis and PCR. As an example, PCB-phosphoramidite has been used for the synthesis, purification and phosphorylation of 50-and 60mer oligonucleotides.

Indexed as

BiotinOligonucleotidesOrganophosphorus CompoundsPhosphorylationPhotolysisUltraviolet RaysBiotinbiotin phosphoramiditeOligonucleotidesOrganophosphorus Compounds

Identifiers

PMID8628663
PMCPMC145639
OpenAlexW2118889049

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.