Evidence map›Paper›PMID 28116699›Full record

ArticleAMB Express2017

pELMO, an optimised in-house cloning vector.

Andrea E Ramos, Marina Muñoz, Darwin A Moreno-Pérez, Manuel A Patarroyo

Abstract read
In one paragraph

Article in AMB Express, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing 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

7 citing papers in PubMed.

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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.

Andrea E RamosMolecular Biology and Immunology Department, Fundación Instituto de Inmunología de Colombia, Cra. 50 # 26-20, Bogotá, Colombia.
Marina MuñozMolecular Biology and Immunology Department, Fundación Instituto de Inmunología de Colombia, Cra. 50 # 26-20, Bogotá, Colombia.
Darwin A Moreno-PérezMolecular Biology and Immunology Department, Fundación Instituto de Inmunología de Colombia, Cra. 50 # 26-20, Bogotá, Colombia.
Manuel A PatarroyoMolecular Biology and Immunology Department, Fundación Instituto de Inmunología de Colombia, Cra. 50 # 26-20, Bogotá, Colombia. mapatarr.fidic@gmail.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

DNA cloning is an essential tool regarding DNA recombinant technology as it allows the replication of foreign DNA fragments within a cell. pELMO was here constructed as an in-house cloning vector for rapid and low-cost PCR product propagation; it is an optimally designed vector containing the ccdB killer gene from the pDONR 221 plasmid, cloned into the pUC18 vector's multiple cloning site (Thermo Scientific). The ccdB killer gene has a cleavage site (CCC/GGG) for the SmaI restriction enzyme which is used for vector linearisation and cloning blunt-ended products. pELMO transformation efficiency was evaluated with different sized inserts and its cloning efficiency was compared to that of the pGEM-T Easy commercial vector. The highest pELMO transformation efficiency was observed for ~500 bp DNA fragments; pELMO vector had higher cloning efficiency for all insert sizes tested. In-house and commercial vector cloned insert reads after sequencing were similar thus highlighting that sequencing primers were designed and localised appropriately. pELMO is thus proposed as a practical alternative for in-house cloning of PCR products in molecular biology laboratories.

Indexed as

Blunt-endedccdB killer geneCloning vectorPCR cloningRecombinant DNA technology

Identifiers

PMID28116699
PMCPMC5265227

What OpenQuestion holds

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LicenceCC BY
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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.