Computer simulations reveal novel properties of the cell-cell signaling network at the shoot apex in /Arabidopsis [PDF]
The active transport of the plant hormone auxin plays a major role in the initiation of organs at the shoot apex. Polar localized membrane proteins of the PIN1 family facilitate this transport, and recent observations suggest that auxin maxima created by
Barbier de Reuille, Pierre +6 more
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Nitrogen (N), the major forms of which are nitrate (NO3–) and ammonium (NH4+), plays an important role in plant growth and mediation of root development. However, the role of auxin in root growth in response to different NH4+/NO3– ratios remains unclear.
Lin MENG +9 more
doaj +1 more source
The Effects of Cytokinin on the Transcriptional Regulation of PIN Expression in Arabidopsis thaliana [PDF]
The processes of cell division and differentiation are critical to the development of any multicellular organism. During the formation of plant roots these processes take place at a region of the root tip called the meristem.
Burgess, Elizabeth
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Transcriptional regulation of PIN genes by FOUR LIPS and MYB88 during Arabidopsis root gravitropism [PDF]
PIN proteins are auxin export carriers that direct intercellular auxin flow and in turn regulate many aspects of plant growth and development including responses to environmental changes.
Beeckman, Tom +12 more
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Developmental biology of wood formation [PDF]
The wood-forming vascular cambium is responsible for the production of a large part of the biomass on this planet. Yet, there is only limited knowledge on how cell proliferation and differentiation in the cambial meristem are regulated.
Schrader, Jarmo
core
Mathematical Modelling of Auxin Transport in Plant Tissues:Flux Meets Signalling and Growth [PDF]
Plant hormone auxin has critical roles in plant growth, dependent on its heterogeneous distribution in plant tissues. Exactly how auxin transport and developmental processes such as growth coordinate to achieve the precise patterns of auxin observed ...
Allen, Henry R., Ptashnyk, Mariya
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The proposed hypothesis concerns the transduction of auxin molecular signals arriving from the apoplast at the plasma membrane or recognized by the proteineous receptors of the responding cell, to the concentration gradients oscillating in the ...
Tomasz J. Wodzicki
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ROS regulation of polar growth in plant cells [PDF]
Root hair cells and pollen tubes, like fungal hyphae, possess a typical tip or polar cell expansion with growth limited to the apical dome. Cell expansion needs to be carefully regulated to produce a correct shape and size. Polar cell growth is sustained
Denita Juárez, Silvina Paola +2 more
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Comprehensive analysis of the regulatory roles of auxin in early transdifferentiation into xylem cells [PDF]
Auxin is essential for the formation of the vascular system. We previously reported that a polar auxin transport inhibitor, 1-N-naphthylphthalamic acid (NPA) decreased intracellular auxin levels and prevented tracheary element (TE) differentiation from ...
Demura, Taku +3 more
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Ethylene and rooting of mung bean cuttings. The role of auxin induced ethylene synthesis and phase-dependent effects [PDF]
We have re-examined the role of ethylene during rooting of mung bean cuttings. Cuttings were treated for 5 days with a low or a high concentration of NAA (naphthaleneacetic acid).
Hanecakova, J., Klerk, G.J.M., de
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