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Article

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

Proceedings of the National Academy of Sciences of the United States of America - 7 Jan 1997

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

Abstract excerpt

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...

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Methodology Data sources Editorial policy Privacy Delete account & data About Contact Helena Bioinformatics

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Identifiers

PMID: 8990208
DOI: 10.1073/pnas.94.1.328
PMCID: PMC19334

Genes

CPD

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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