Evidence map›Paper›PMID 12953121›Full record

ArticleThe Plant cell2003

The presence of a chromatin boundary appears to shield a transgene in tobacco from RNA silencing.

Ludmila Mlynárová, Andrea Hricová, Annelies Loonen, Jan-Peter Nap

Open access · bronzeAbstract read
In one paragraph

Article in The Plant cell, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
6.3field-weighted citation impact, top 4% 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

18 citing papers in PubMed, 42 citations in OpenAlex.

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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 at 3 institutions in 3 countries.

Ludmila MlynárováPlant Research International, Wageningen University and Research Centre, NL-6700AA Wageningen, The Netherlands.
Andrea Hricová
Annelies Loonen
Jan-Peter Nap
Wageningen University & Research · NLInstitute of Plant Genetics and Biotechnology of the Slovak Academy of Sciences · SKResearch International (United States) · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We present isogenic transgenic tobacco lines that carry at a given chromosomal position a beta-glucuronidase (GUS) reporter gene either with or without the presence of the matrix-associated region known as the chicken lysozyme A element. Plants were generated with the Cre-lox site-specific recombination system using heterospecific lox sites. Analysis of GUS gene expression in plant populations demonstrates that the presence of the A element can shield against RNA silencing of the GUS gene. Protection was observed in two of three independent tobacco transformants. Plants carrying an A element 5' of the GUS gene always had stable GUS activity, but upon removal of this A element, the GUS gene became silenced over time in two lines, notably when homozygous.

Indexed as

RNA InterferenceChromatinGlucuronidaseNicotianaPlants, Genetically ModifiedTerminal Repeat SequencesTransgenesChromatinGlucuronidase

Identifiers

PMID12953121
PMCPMC181341
OpenAlexW2166537694

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.