Results 131 to 140 of about 1,121 (160)

Current insights into the development, structure, and chemistry of the endodermis and exodermis of roots

Canadian Journal of Botany, 2003
The endodermis and exodermis are the inner- and outermost cortical layers, respectively, of a root. Both are characterized by the development of Casparian bands in their anticlinal walls. Endodermal Casparian bands normally appear within 10 mm of the root tip, while exodermal Casparian bands are typically deposited farther from the tip.
Fengshan Ma, Carol A Peterson
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The Effect of Lateral Root Outgrowth on the Structure and Permeability of the Onion Root Exodermis

Botanica Acta, 1993
AbstractLateral root development in onion is accompanied by a variety of anatomical and permeability changes in some cells of the adventitious root. The endodermal Casparian band of the parent root is disrupted early in the development of the lateral but later extends so as to be continuous with the developing Casparian band of the new root.
Carol A. Peterson, Greg J. Moon
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The effect of suberin lamellae on the vitality and symplasmic permeability of the onion root exodermis

Canadian Journal of Botany, 1996
The onion exodermis is made up of two cell types, i.e., long and short cells. Both form Casparian bands, but suberin lamella development is absent or delayed in the short cells. Long cells did not accumulate fluorescein, a common test for cell vitality, because of reduced wall permeability due to suberin lamella development.
Carol A. Peterson, Janet L. Waite
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ROOTS OF SOBRALIA MACRANTHA (ORCHIDACEAE): STRUCTURE AND FUNCTION OF THE VELAMEN‐EXODERMIS COMPLEX

American Journal of Botany, 1982
Roots of Sobralia macrantha, a largely terrestrial orchid, bear a typical multilayered velamen underlaid by a cortical exodermis. The latter consists of densely cytoplasmic passage cells regularly interspersed among much larger, elongate, vacuolate cells.
D. H. Benzing, D. W. Ott, W. E. Friedman
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Effects of growing conditions and development of the underlying exodermis on the vitality of the onion root epidermis

Physiologia Plantarum, 1994
Bulbs of Allium cepa L., which had developed short, adventitious roots, were transferred to various conditions, i.e. vermiculite watered to saturation, vermiculite watered to half saturation, immersed in hydroculture, and immersed in hydroculture except for the proximal 20 mm which was continuously exposed to air.
David E. Barrowclough, Carol A. Peterson
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Salinity accelerates endodermal development and induces an exodermis in cotton seedling roots

Environmental and Experimental Botany, 1995
The development of the endodermis was studied in 5- to 48-day-old cotton (Gossypium hirsutum L., cv. Acala SJ-2) seedling roots grown in vermiculite at different NaCl salinity levels. Sensitive fluorochromes (berberine-aniline blue for Casparian bands, and fluorol yellow-aniline blue for suberin lamellae) were used to detect cell wall modifications ...
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Deposition of Casparian bands and suberin lamellae in the exodermis and endodermis of young corn and onion roots

Canadian Journal of Botany, 1986
The Casparian band of the exodermis of corn and onion roots matures further from the root tip than its counterpart in the endodermis. A complete suberin lamella in the exodermal cells usually develops about 10 mm proximal to the exodermal Casparian band.
C. J. Perumalla, Carol A. Peterson
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Variabilita reakce exodermis na nedostatek živin v prostředí

2023
v angličtině Plant growth and development is largely dependent on the soil environment which is a source of minerals and water needed for plants to survive. However, the availability of these resources in the soil is very heterogenous and important elements can be leached into the lower parts of the soil or bound to soil particles.
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Mechanismy reakce exodermis na dostupnost živin v prostředí

2021
in English The apoplastic barriers of the root (endodermis and exodermis) represent an important regulatory mechanism for the uptake of water and nutrients from the environment, ensuring its selectivity. In addition, both layers respond to stress factors by altering its rate and degree of cell wall modification, which affects the transport properties ...
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miR397 regulates cadmium stress response by coordinating lignin polymerization in the root exodermis in Kandelia obovata

Journal of Hazardous Materials
Secondary lignification of the root exodermis of Kandelia obovata is crucial for its response to adversity such as high salinity and anaerobic environment, and this lignification is also effective in blocking cadmium transport to the roots. However, how the differences in lignification of root exodermis at different developmental stages respond to Cd ...
Chenglang, Pan, Mingxiong, Zhang, Jianming, Chen, Haoliang, Lu, Xuemei, Zhao, Xiaofeng, Chen, Lu, Wang, Pingping, Guo, Shuyu, Liu   +8 more
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