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The Rice COLEOPTILE PHOTOTROPISM1 gene encoding an ortholog of Arabidopsis NPH3 is required for phototropism of coleoptiles and lateral translocation of auxin.

The Plant cell - 1 Jan 2005

Haga Ken, Takano Makoto, Neumann Ralf, Iino Moritoshi

Abstract excerpt

We isolated a mutant, named coleoptile phototropism1 (cpt1), from gamma-ray-mutagenized japonica-type rice (Oryza sativa). This mutant showed no coleoptile phototropism and severely reduced root phototropism after continuous stimulation. A map-based cloning strategy and transgenic complementation test were applied to demonstrate that a NPH3-like gene deleted in the mutant corresponds to CPT1. Phylogenetic...

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PMID: 15598797
DOI: 10.1105/tpc.104.028357
PMCID: PMC544493

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

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