The Region of Elongation ... Here the cells produced by mitosis undergo a period of elongation in the direction of the axis of the root. It is at this time that they are sensitive to gravity and respond with gravitropism.
users.rcn.com/jkimball.ma.ultranet/BiologyPages/R/Roots... users.rcn.com/jkimball.ma.ultranet/BiologyPages/R/Roots.html
To identify the region in which a root perceives a decrease in the ambient water potential and changes its elongation rate, we applied two agar blocks (1 x 1 x 1 mm3) with low water potential bilaterally to primary roots of maize (Zea mays) at various positions along the root.
www.plantphysiol.org/cgi/content/abstract/139/1/458
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www.plantphysiol.org/cgi/reprint/145/4/1533
Specifically, we attempted to identify the region of the root that is responsible for the reduction of root elongation that occurs in response to perception ...
www.ncbi.nlm.nih.gov/pmc/articles/PMC1203394/
Regions of Differential Cell Elongation and Mitosis, and Root Meristem Morphology in Different Tissues of Geotropically Stimulated Maize Root Apices 1 ...
www.ncbi.nlm.nih.gov/pmc/articles/PMC1091785/
High correlation between H+ flux oscillations and root nutations was found in the elongation region. Two oscillatory components of H+ flux, with periods of about 90 min and 7 min, correlated with root circumnutations and micronutations, respectively.
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This large-scale proteomic analysis provides novel insights into the complexity of mechanisms that regulate root growth under water deficit conditions and highlights the spatial differences in CWP composition in the root elongation zone...
www.medscape.com/medline/abstract/17951457
Note: growth in the root and any plant structure is due to a combination of the increase in the number of cells which takes place in the apical meristem in roots, and also in the size of the individual cells which takes place in the region of elongation in the root.
www.botany.uwc.ac.za/ecotree/root/rootA.htm www.botany.uwc.ac.za/ecotree/root/rootA.htm
elongation region correlate with root nutation. - Physiol. Plant. 100: 917-926. The involvement of Ca2+ and H+ flux oscillations in root nutation was ...
www.xuyue.net/pub/wenxian/%D3%A6%D3%C3%CE%C4%D5%C2/%D6%... www.xuyue.net/pub/wenxian/%D3%A6%D3%C3%CE%C4%D5%C2/%D6%B2%CE%EF%B7%BD%C3%E6/other/proton%20and%20calcium%20flux%20oscillations%20in%20the%20elongation%20region%20correlate%20with%20root%20nutation%20.pdf
Shortening of the length of the elongation region suggests that high root temperature and duration of exposure accelerates maturation of the epidermal cells ...
linkinghub.elsevier.com/retrieve/pii/016894529290035K
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