Results 21 to 30 of about 20,333 (124)
Localised auxin peaks in concentration-based transport models of the shoot apical meristem [PDF]
Journal of the Royal Society Interface 12: 20141407, 2015, 2014 We study the formation of auxin peaks in a generic class of concentration-based auxin transport models, posed on static plant tissues. Using standard asymptotic analysis we prove that, on bounded domains, auxin peaks are not formed via a Turing instability in the active transport parameter, but via simple corrections to the homogeneous steady state ...
arxiv +1 more source
Temporal and spatial auxin responsive networks in maize primary roots
Quantitative Plant Biology, 2022 Auxin is a key regulator of root morphogenesis across angiosperms. To better understand auxin-regulated networks underlying maize root development, we have characterized auxin-responsive transcription across two time points (30 and 120 min) and four ...
Maxwell R. McReynolds +6 more
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Acta Societatis Botanicorum Poloniae, 2014 Results of experiments performed with 6-mm high stem sections of Pinus sylvestris L. confirmed the hypothesis that the fusiform cells of the cambial region respond to the arrival of indole-3-acetic-acid (IAA) at the signalling concentration in the ...
Tomasz J. Wodzicki +2 more
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A mathematical model integrates diverging PXY and MP interactions in cambium development [PDF]
, 2022 The cambium is a meristematic tissue in plant stems. Here, cell divisions occur that are required for radial growth of plant stems. Daughters of cell divisions within the cambium differentiate into woody xylem cells towards the inside of the stem, or phloem towards the outside. As such, a pattern of xylem-cambium-phloem is present along the radial axis
arxiv +1 more source
Frontiers in Plant Science, 2019 Auxin is a molecule, which controls many aspects of plant development through both transcriptional and non-transcriptional signaling responses. AUXIN BINDING PROTEIN1 (ABP1) is a putative receptor for rapid non-transcriptional auxin-induced changes in ...
Ivan A. Paponov +11 more
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Cell Dynamics in WOX5-Overexpressing Root Tips: The Impact of Local Auxin Biosynthesis
Frontiers in Plant Science, 2020 Root stem cell niche functioning requires the formation and maintenance of the specific “auxin-rich domain” governed by directional auxin transport and local auxin production.
Maria S. Savina +8 more
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Scaling Relations for Auxin Waves [PDF]
arXiv, 2022 We analyze an 'up-the-gradient' model for the formation of transport channels of the phytohormone auxin, through auxin-mediated polarization of the PIN1 auxin transporter. We show that this model admits a family of travelling wave solutions that is parameterized by the height of the auxin-pulse.
arxiv
Spot dynamics in a reaction-diffusion model of plant root hair initiation [PDF]
SIAM Journal of Applied Mathematics, 78(1), 291-319, 2018, 2017 We study pattern formation in a 2-D reaction-diffusion (RD) sub-cellular model characterizing the effect of a spatial gradient of a plant hormone distribution on a family of G-proteins associated with root-hair (RH) initiation in the plant cell Arabidopsis thaliana.
arxiv +1 more source
Comprehensive RNA-Seq Analysis on the Regulation of Tomato Ripening by Exogenous Auxin. [PDF]
PLoS ONE, 2016 Auxin has been shown to modulate the fruit ripening process. However, the molecular mechanisms underlying auxin regulation of fruit ripening are still not clear. Illumina RNA sequencing was performed on mature green cherry tomato fruit 1 and 7 days after
Jiayin Li +6 more
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AUX/LAX family of auxin influx carriers-an overview
Frontiers in Plant Science, 2012 Auxin regulates several aspects of plant growth and development. Auxin is unique among plant hormones for exhibiting polar transport. Indole-3-acetic acid, the major form of auxin in higher plants, is a weak acid and its intercellular movement is ...
Ranjan eSwarup, Benjamin ePéret
doaj +1 more source