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Article

Transcriptional repression by AtMYB4 controls production of UV-protecting sunscreens in Arabidopsis.

The EMBO journal - 15 Nov 2000

Jin H, Cominelli E, Bailey P, Parr A, Mehrtens F, Jones J, Tonelli C, Weisshaar B, Martin C

Abstract excerpt

An Arabidopsis thaliana line that is mutant for the R2R3 MYB gene, AtMYB4, shows enhanced levels of sinapate esters in its leaves. The mutant line is more tolerant of UV-B irradiation than wild type. The increase in sinapate ester accumulation in the mutant is associated with an enhanced expression of the gene encoding cinnamate 4-hydroxylase, which appears to be the principal target of AtMYB4 and an effective...

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Source

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Identifiers

PMID: 11080161
DOI: 10.1093/emboj/19.22.6150
PMCID: PMC305818

Genes

MYB

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

Related research

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Transcriptional repression by AtMYB4 controls production of UV-protecting sunscreens in Arabidopsis.PMID 11080161Read ↗

HAG3, a Histone Acetyltransferase, Affects UV-B Responses by Negatively Regulating the Expression of DNA Repair Enzymes and Sunscreen Content in Arabidopsis thaliana.Semantic proximity Read ↗

The AtMYB12 activation domain maps to a short C-terminal region of the transcription factor.Semantic proximity Read ↗

UVR8 interacts with de novo DNA methyltransferase and suppresses DNA methylation in Arabidopsis.Semantic proximity Read ↗

METHIONINE ADENOSYLTRANSFERASE4 Mediates DNA and Histone Methylation.Semantic proximity Read ↗

The Arabidopsis bZIP transcription factor HY5 regulates expression of the PFG1/MYB12 gene in response to light and ultraviolet-B radiation.Semantic proximity Read ↗

AtMyb41 regulates transcriptional and metabolic responses to osmotic stress in Arabidopsis.Semantic proximity Read ↗

AtMYB41 acts as a dual-function transcription factor that regulates the formation of lipids in an organ- and development-dependent manner.Semantic proximity Read ↗

The ABA receptor NtPYL6 promotes flavonol biosynthesis to enhance tobacco resistance to UV-B.Semantic proximity Read ↗

AtMyb7, a subgroup 4 R2R3 Myb, negatively regulates ABA-induced inhibition of seed germination by blocking the expression of the bZIP transcription factor ABI5.Semantic proximity Read ↗

SAD2, an importin -like protein, is required for UV-B response in Arabidopsis by mediating MYB4 nuclear trafficking.Semantic proximity Read ↗

Arabidopsis AtMORC4 and AtMORC7 Form Nuclear Bodies and Repress a Large Number of Protein-Coding Genes.Semantic proximity Read ↗

Arabidopsis Mediator subunit 17 connects transcription with DNA repair after UV-B exposureSemantic proximity Read ↗

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