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Article

Auxin controls petal initiation in Arabidopsis.

Development (Cambridge, England) - 1 Jan 2013

Lampugnani Edwin R, Kilinc Aydin, Smyth David R

Abstract excerpt

Floral organs are usually arranged in concentric whorls of sepals, petals, stamens and carpels. How founder cells of these organs are specified is unknown. In Arabidopsis, the PETAL LOSS (PTL) transcription factor functions in the sepal whorl, where it restricts the size of the inter-sepal zone. Genetic evidence suggests that PTL acts to support a petal initiation signal active in the adjacent whorl. Here we...

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Identifiers

PMID: 23175631
DOI: 10.1242/dev.084582

Genes

PIN1

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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.

Related research

Semantic proximity does not establish scientific evidence. Graph snapshot: 2026-09-29.

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Auxin controls petal initiation in Arabidopsis.PMID 23175631Read ↗

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PETAL LOSS gene regulates initiation and orientation of second whorl organs in the Arabidopsis flower.Semantic proximity Read ↗

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