Evidence map›Paper›PMID 19457980›Full record

ArticleJournal of experimental botany2009

Inefficient double-strand DNA break repair is associated with increased fasciation in Arabidopsis BRCA2 mutants.

Kiyomi Abe, Keishi Osakabe, Yuichi Ishikawa, Akemi Tagiri, Hiroaki Yamanouchi, Toshio Takyuu, Terutaka Yoshioka, Takuya Ito, Masatomo Kobayashi, Kazuo Shinozaki and 2 more

Open access · bronzeAbstract read
In one paragraph

Article in Journal of experimental botany, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
5.5field-weighted citation impact, top 5% 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

16 citing papers in PubMed, 30 citations in OpenAlex.

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  12. Molecular pathways: understanding the role of Rad52 in homologous recombination for therapeutic advancement.Clinical cancer research : an official journal of the American Association for Cancer Research · 2012
    Review
  13. Article
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  15. Homologs of breast cancer genes in plants.Frontiers in plant science · 2011
    Article
  16. Article
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

12 authors at 5 institutions in 1 country.

Kiyomi AbeDivision of Plant Sciences, National Institute of Agrobiological Sciences, 2-1-2 Kannondai, Tsukuba, Ibaraki 305-8602, Japan.
Keishi Osakabe
Yuichi Ishikawa
Akemi Tagiri
Hiroaki Yamanouchi
Toshio Takyuu
Terutaka Yoshioka
Takuya Ito
Masatomo Kobayashi
Kazuo Shinozaki
Hiroaki Ichikawa
Seiichi Toki
Institute of Agrobiological Sciences · JPHitachi (Japan) · JPRIKEN BioResource Research Center · JPRIKEN Center for Sustainable Resource Science · JPYokohama City University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BRCA2 is a breast tumour susceptibility factor with functions in maintaining genome stability through ensuring efficient double-strand DNA break (DSB) repair via homologous recombination. Although best known in vertebrates, fungi, and higher plants also possess BRCA2-like genes. To investigate the role of Arabidopsis BRCA2 genes in DNA repair in somatic cells, transposon insertion mutants of the AtBRCA2a and AtBRCA2b genes were identified and characterized. atbrca2a-1 and atbrca2b-1 mutant plants showed hypersensitivity to genotoxic stresses compared to wild-type plants. An atbrca2a-1/atbrca2b-1 double mutant showed an additive increase in sensitivity to genotoxic stresses compared to each single mutant. In addition, it was found that atbrca2 mutant plants displayed fasciation and abnormal phyllotaxy phenotypes with low incidence, and that the ratio of plants exhibiting these phenotypes is increased by gamma-irradiation. Interestingly, these phenotypes were also induced by gamma-irradiation in wild-type plants. Moreover, it was found that shoot apical meristems of the atbrca2a-1/atbrca2b-1 double mutant show altered cell cycle progression. These data suggest that inefficient DSB repair in the atbrca2a-1/atbrca2b-1 mutant leads to disorganization of the programmed cell cycle of apical meristems.

Indexed as

DNA Breaks, Double-StrandedDNA RepairMutationArabidopsisArabidopsis ProteinsBRCA2 ProteinCell CycleDNA DamageMeristemArabidopsis ProteinsBRCA2 Protein

Identifiers

PMID19457980
PMCPMC2692019
OpenAlexW2143607835

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.