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Article

Disruptions in AUX1-dependent auxin influx alter hypocotyl phototropism in Arabidopsis.

Molecular plant - 1 Jan 2008

Stone Bethany B, Stowe-Evans Emily L, Harper Reneé M, Celaya R Brandon, Ljung Karin, Sandberg Göran, Liscum Emmanuel

Abstract excerpt

Phototropism represents a differential growth response by which plant organs can respond adaptively to changes in the direction of incident light to optimize leaf/stem positioning for photosynthetic light capture and root growth orientation for water/nutrient acquisition. Studies over the past few years have identified a number of components in the signaling pathway(s) leading to development of phototropic...

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PMID: 20031920
DOI: 10.1093/mp/ssm013

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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

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Research trail→

Click a neighbor to travelStep 1 · 12 closest

Disruptions in AUX1-dependent auxin influx alter hypocotyl phototropism in Arabidopsis.PMID 20031920Read ↗

phot1 inhibition of ABCB19 primes lateral auxin fluxes in the shoot apex required for phototropism.Semantic proximity Read ↗

Enhanced gravi- and phototropism in plant mdr mutants mislocalizing the auxin efflux protein PIN1.Semantic proximity Read ↗

Inhibition of brassinosteroid biosynthesis by either a dwarf4 mutation or a brassinosteroid biosynthesis inhibitor rescues defects in tropic responses of hypocotyls in the arabidopsis mutant nonphototropic hypocotyl 4.Semantic proximity Read ↗

Phototropin 1 and dim-blue light modulate the red light de-etiolation response.Semantic proximity Read ↗

MASSUGU2 encodes Aux/IAA19, an auxin-regulated protein that functions together with the transcriptional activator NPH4/ARF7 to regulate differential growth responses of hypocotyl and formation of lateral roots in Arabidopsis thaliana.Semantic proximity Read ↗

A mutation in protein phosphatase 2A regulatory subunit A affects auxin transport in Arabidopsis.Semantic proximity Read ↗

Polar-localized NPH3-like proteins regulate polarity and endocytosis of PIN-FORMED auxin efflux carriers.Semantic proximity Read ↗

Reduced phototropism in pks mutants may be due to altered auxin-regulated gene expression or reduced lateral auxin transport.Semantic proximity Read ↗

Auxin methylation is required for differential growth in Arabidopsis.Semantic proximity Read ↗

Disruption and overexpression of auxin response factor 8 gene of Arabidopsis affect hypocotyl elongation and root growth habit, indicating its possible involvement in auxin homeostasis in light condition.Semantic proximity Read ↗

NPH4, a conditional modulator of auxin-dependent differential growth responses in Arabidopsis.Semantic proximity Read ↗

D6PK AGCVIII kinases are required for auxin transport and phototropic hypocotyl bending in Arabidopsis.Semantic proximity Read ↗

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