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Article

PETAL LOSS, a trihelix transcription factor gene, regulates perianth architecture in the Arabidopsis flower.

Development (Cambridge, England) - 1 Aug 2004

Brewer Philip B, Howles Paul A, Dorian Kristen, Griffith Megan E, Ishida Tetsuya, Kaplan-Levy Ruth N, Kilinc Aydin, Smyth David R

Abstract excerpt

Perianth development is specifically disrupted in mutants of the PETAL LOSS (PTL) gene, particularly petal initiation and orientation. We have cloned PTL and show that it encodes a plant-specific trihelix transcription factor, one of a family previously known only as regulators of light-controlled genes. PTL transcripts were detected in the early-developing flower, in four zones between the initiating sepals and...

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Identifiers

PMID: 15269176
DOI: 10.1242/dev.01279

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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.

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