Results 61 to 70 of about 112,117 (254)

The IBR5 phosphatase promotes Arabidopsis auxin responses through a novel mechanism distinct from TIR1-mediated repressor degradation

open access: yesBMC Plant Biology, 2008
Background In Arabidopsis, INDOLE-3-BUTYRIC ACID RESPONSE5 (IBR5), a putative dual-specificity protein phosphatase, is a positive regulator of auxin response.
Bartel Bonnie   +2 more
doaj   +1 more source

Auxin: simply complicated [PDF]

open access: yesJournal of Experimental Botany, 2013
Auxin is a plant hormone involved in an extraordinarily broad variety of biological mechanisms. These range from basic cellular processes, such as endocytosis, cell polarity, and cell cycle control over localized responses such as cell elongation and differential growth, to macroscopic phenomena such as embryogenesis, tissue patterning, and de novo ...
Michael, Sauer   +2 more
openaire   +2 more sources

Auxin influx carriers control vascular patterning and xylem differentiation in Arabidopsis thaliana.

open access: yesPLoS Genetics, 2015
Auxin is an essential hormone for plant growth and development. Auxin influx carriers AUX1/LAX transport auxin into the cell, while auxin efflux carriers PIN pump it out of the cell.
Norma Fàbregas   +9 more
doaj   +1 more source

The Role of Auxin in Cell Wall Expansion

open access: yesInternational Journal of Molecular Sciences, 2018
Plant cells are surrounded by cell walls, which are dynamic structures displaying a strictly regulated balance between rigidity and flexibility. Walls are fairly rigid to provide support and protection, but also extensible, to allow cell growth, which is
Mateusz Majda, S. Robert
semanticscholar   +1 more source

Naphthylphthalamic acid associates with and inhibits PIN auxin transporters

open access: yesProceedings of the National Academy of Sciences of the United States of America, 2020
Significance The plant hormone auxin regulates many aspects of plant life and has the unique ability to flow throughout the plant in defined directions, as observed by Darwin over a century ago.
L. Abas   +9 more
semanticscholar   +1 more source

Auxin-dependent post-translational regulation of MONOPTEROS in the Arabidopsis root

open access: yesCell Reports
Summary: Auxin plays a pivotal role in plant development by activating AUXIN RESPONSE FACTORs (ARFs). Under low auxin levels, ARF activity is inhibited by interacting with Aux/IAAs.
Alex Cavalleri   +15 more
doaj   +1 more source

The AUXIN BINDING PROTEIN 1 is required for differential auxin responses mediating root growth.

open access: yesPLoS ONE, 2009
BackgroundIn plants, the phytohormone auxin is a crucial regulator sustaining growth and development. At the cellular level, auxin is interpreted differentially in a tissue- and dose-dependent manner.
Alexandre Tromas   +11 more
doaj   +1 more source

The Diverse Salt-Stress Response of Arabidopsis ctr1-1 and ein2-1 Ethylene Signaling Mutants Is Linked to Altered Root Auxin Homeostasis

open access: yesPlants, 2021
We explored the interplay between ethylene signals and the auxin pool in roots exposed to high salinity using Arabidopsisthaliana wild-type plants (Col-0), and the ethylene-signaling mutants ctr1-1 (constitutive) and ein2-1 (insensitive).
Irina I. Vaseva   +4 more
doaj   +1 more source

Odyssey of Auxin [PDF]

open access: yesCold Spring Harbor Perspectives in Biology, 2010
The history of plant biology is inexorably intertwined with the conception and discovery of auxin, followed by the many decades of research to comprehend its action during growth and development. Growth responses to auxin are complex and require the coordination of auxin production, transport, and perception. In this overview of past auxin research, we
Steffen, Abel, Athanasios, Theologis
openaire   +2 more sources

Arabidopsis PROTEASOME REGULATOR1 is required for auxin-mediated suppression of proteasome activity and regulates auxin signalling

open access: yesNature Communications, 2016
The plant hormone auxin is perceived by the nuclear F-box protein TIR1 receptor family and regulates gene expression through degradation of Aux/IAA transcriptional repressors.
Bao-Jun Yang   +5 more
semanticscholar   +1 more source

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