Evidence map›Paper›PMID 12885167›Full record

ArticleTransgenic research2003

Transgene organisation in potato after particle bombardment-mediated (co-)transformation using plasmids and gene cassettes.

Andrea Romano, Krit Raemakers, Jamila Bernardi, Richard Visser, Hans Mooibroek

Abstract read
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In one paragraph

Article in Transgenic research, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing 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

19 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

5 authors.

Andrea RomanoInstitute for Agrotechnological Research (ATO-BV), Wageningen University and Research Center, POB 17, 6700 AA, Wageningen, The Netherlands.
Krit Raemakers
Jamila Bernardi
Richard Visser
Hans Mooibroek

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Protocols for efficient co-transformation of potato internodes with genes contained in separate plasmids or gene cassettes (i.e., linear PCR fragments comprising a promoter-gene-terminator) using particle bombardment were established. Twenty-eight out of 62 (45%) and 11 out of 65 (17%) plants transformed with a plasmid containing the selectable marker contained one and two additional non-selected genes, respectively. When gene cassettes were used in transformation, six out of eight plants were co-transformed. Expression analysis showed that 75-80% of the plants transformed with two transgenes expressed both of them, irrespective of the use of plasmids or gene cassettes. Thirty-eight plants containing the gusA reporter-gene and the nptII selectable-marker have been characterised with respect to the molecular organisation of the donor DNAs. Seventeen out of 49 (35%) gusA sites of integration contained one copy of the gene. Only 11 gusA sites (22%) were linked to the site of integration of the selectable marker. When one site of integration contained several copies of the transgene, a predominance of 3'-3' inverted re-arrangement repeats was observed.

Indexed as

BiolisticsMutagenesis, InsertionalPlasmidsTransformation, GeneticTransgenesBase SequenceBlotting, SouthernDNA PrimersPlants, Genetically ModifiedReverse Transcriptase Polymerase Chain ReactionSolanum tuberosumDNA Primers

Identifiers

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.