Evidence map›Paper›PMID 29847546›Full record

ArticlePloS one2018

Rapid and efficient genetic engineering of both wild type and axenic strains of Dictyostelium discoideum.

Peggy Paschke, David A Knecht, Augustinas Silale, David Traynor, Thomas D Williams, Peter A Thomason, Robert H Insall, Jonathan R Chubb, Robert R Kay, Douwe M Veltman

Abstract read
In one paragraph

Article in PloS one, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 54 papers.

0numbers the graph read from it
0cells of the map it votes in
54citing 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

54 citing papers in PubMed.

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  11. Pattern formation along signaling gradients driven by active droplet behavior of cell swarms.Proceedings of the National Academy of Sciences of the United States of America · 2025
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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

10 authors.

Peggy PaschkeMRC Laboratory of Molecular Biology, Cambridge, United Kingdom.ORCID 0000-0002-6248-5678
David A KnechtDepartment of Molecular and Cell Biology, University of Connecticut, Storrs, Connecticut, United States of America.
Augustinas SilaleMRC Laboratory of Molecular Biology, Cambridge, United Kingdom.
David TraynorMRC Laboratory of Molecular Biology, Cambridge, United Kingdom.
Thomas D WilliamsMRC Laboratory of Molecular Biology, Cambridge, United Kingdom.
Peter A ThomasonCancer Research UK Beatson Institute Glasgow, Glasgow, United Kingdom.
Robert H InsallCancer Research UK Beatson Institute Glasgow, Glasgow, United Kingdom.
Jonathan R ChubbMRC Laboratory for Molecular Cell Biology, University College London, London, United Kingdom.
Robert R KayMRC Laboratory of Molecular Biology, Cambridge, United Kingdom.
Douwe M VeltmanMRC Laboratory of Molecular Biology, Cambridge, United Kingdom.

Funding

Cancer Research UK 15672Cancer Research UK 24450Cancer Research UK A15672Medical Research Council MC_U105115237Wellcome Trust
6 · The paper itself

Abstract

Dictyostelium has a mature technology for molecular-genetic manipulation based around transfection using several different selectable markers, marker re-cycling, homologous recombination and insertional mutagenesis, all supported by a well-annotated genome. However this technology is optimized for mutant, axenic cells that, unlike non-axenic wild type, can grow in liquid medium. There is a pressing need for methods to manipulate wild type cells and ones with defects in macropinocytosis, neither of which can grow in liquid media. Here we present a panel of molecular genetic techniques based on the selection of Dictyostelium transfectants by growth on bacteria rather than liquid media. As well as extending the range of strains that can be manipulated, these techniques are faster than conventional methods, often giving usable numbers of transfected cells within a few days. The methods and plasmids described here allow efficient transfection with extrachromosomal vectors, as well as chromosomal integration at a 'safe haven' for relatively uniform cell-to-cell expression, efficient gene knock-in and knock-out and an inducible expression system. We have thus created a complete new system for the genetic manipulation of Dictyostelium cells that no longer requires cell feeding on liquid media.

Indexed as

DictyosteliumGene Knock-In TechniquesGenetic EngineeringGenetic VectorsHomologous RecombinationMutagenesis, InsertionalMutationPinocytosisPlasmidsTransfection

Identifiers

PMID29847546
PMCPMC5976153

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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.