Evidence map›Paper›PMID 8990208›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America1997

An Arabidopsis photolyase mutant is hypersensitive to ultraviolet-B radiation.

L G Landry, A E Stapleton, J Lim, P Hoffman, J B Hays, V Walbot, R L Last

Open access · greenAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 58 papers.

0numbers the graph read from it
0cells of the map it votes in
58citing papers in PubMed
14.9field-weighted citation impact, top 1% 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

58 citing papers in PubMed, 181 citations in OpenAlex.

  1. Plant tolerance mechanisms to DNA-damaging UV stress.Journal of experimental botany · 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

7 authors at 3 institutions in 1 country.

L G LandryThe Boyce Thompson Institute for Plant Research, Cornell University, Ithaca, NY 14853-1801, USA.
A E Stapleton
J Lim
P Hoffman
J B Hays
V Walbot
R L Last
Oregon State University · USCornell University · USStanford University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Photolyases are DNA repair enzymes that use energy from blue light to repair pyrimidine dimers. We report the isolation of an Arabidopsis thaliana mutant (uvr2-1) that is defective in photorepair of cyclobutylpyrimidine dimers (CPDs). Whereas uvr2-1 is indistinguishable from wild type in the absence of UV light, low UV-B levels inhibit growth and cause leaf necrosis. uvr2-1 is more sensitive to UV-B than wild type when placed under white light after UV-B treatment. In contrast, recovery in darkness or in light lacking photoreactivating blue light results in equal injury in uvr2-1 and wild type. The uvr2-1 mutant is unable to remove CPDs in vivo, and plant extracts lack detectable photolyase activity. This recessive mutation segregates as a single gene located near the top of chromosome 1, and is a structural gene mutation in the type II CPD photolyase PHR1. This mutant provides evidence that CPD photolyase is required for plant survival in the presence of UV-B light.

Indexed as

Fungal ProteinsMembrane GlycoproteinsMutationApoenzymesArabidopsisDeoxyribodipyrimidine Photo-LyaseDNA RepairDose-Response Relationship, RadiationMutagenesisPyrimidine DimersRadiation ToleranceUltraviolet RaysApoenzymesDeoxyribodipyrimidine Photo-LyaseFungal ProteinsMembrane GlycoproteinsPHR1 protein, Candida albicansPyrimidine Dimers

Identifiers

PMID8990208
PMCPMC19334
OpenAlexW2091563911

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.