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Article

Rice open beak is a negative regulator of class 1 knox genes and a positive regulator of class B floral homeotic gene.

The Plant journal : for cell and molecular biology - 1 Jun 2009

Horigome Ayako, Nagasawa Nobuhiro, Ikeda Kyoko, Ito Momoyo, Itoh Jun-Ichi, Nagato Yasuo

Abstract excerpt

Numerous genes are involved in the regulation of plant development, including those that regulate floral homeotic genes, We identified two recessive allelic rice mutants, open beak-1 (opb-1) and opb-2, which exhibited pleiotropic defects in leaf morphogenesis, inflorescence architecture, and floral organ identity. Abnormal cell proliferation was observed in the leaves and spikelets, and ectopic or overexpression...

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PMID: 19207212
DOI: 10.1111/j.1365-313X.2009.03823.x

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

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