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Article

GNOM/FEWER ROOTS is required for the establishment of an auxin response maximum for arabidopsis lateral root initiation.

Plant & cell physiology - 1 Mar 2013

Okumura Ken-ichi, Goh Tatsuaki, Toyokura Koichi, Kasahara Hiroyuki, Takebayashi Yumiko, Mimura Tetsuro, Kamiya Yuji, Fukaki Hidehiro

Abstract excerpt

Lateral root (LR) formation in vascular plants is regulated by auxin. The mechanisms of LR formation are not fully understood. Here, we have identified a novel recessive mutation in Arabidopsis thaliana, named fewer roots (fwr), that drastically reduces the number of LRs. Expression analyses of DR5::GUS, an auxin response reporter, and pLBD16::GUS, an LR initiation marker, suggested that FWR is necessary for the...

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Identifiers

PMID: 23390202
DOI: 10.1093/pcp/pct018
PMCID: PMC3589829

Genes

PIN1

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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.

Related research

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GNOM/FEWER ROOTS is required for the establishment of an auxin response maximum for arabidopsis lateral root initiation.PMID 23390202Read ↗

Role of the GNOM gene in Arabidopsis apical-basal patterning--From mutant phenotype to cellular mechanism of protein action.Semantic proximity Read ↗

Inducible knock-down of GNOM during root formation reveals tissue-specific response to auxin transport and its modulation of local auxin biosynthesis.Semantic proximity Read ↗

Lateral root formation is blocked by a gain-of-function mutation in the SOLITARY-ROOT/IAA14 gene of Arabidopsis.Semantic proximity Read ↗

GNOM regulates root hydrotropism and phototropism independently of PIN-mediated auxin transport.Semantic proximity Read ↗

Partial loss-of-function alleles reveal a role for GNOM in auxin transport-related, post-embryonic development of Arabidopsis.Semantic proximity Read ↗

Deletion of MP/ARF5 domains III and IV reveals a requirement for Aux/IAA regulation in Arabidopsis leaf vascular patterning.Semantic proximity Read ↗

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RLF, a cytochrome b(5)-like heme/steroid binding domain protein, controls lateral root formation independently of ARF7/19-mediated auxin signaling in Arabidopsis thaliana.Semantic proximity Read ↗

Rootless with undetectable meristem 1 encodes a monocot-specific AUX/IAA protein that controls embryonic seminal and post-embryonic lateral root initiation in maize.Semantic proximity Read ↗

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