Results 151 to 160 of about 1,406 (191)

The exodermis: a variable apoplastic barrier [PDF]

open access: yesJournal of Experimental Botany, 2001
The exodermis (hypodermis with Casparian bands) of plant roots represents a barrier of variable resistance to the radial flow of both water and solutes and may contribute substantially to the overall resistance. The variability is a result largely of changes in structure and anatomy of developing roots. The extent and rate at which apoplastic exodermal
Ernst Steudle   +2 more
exaly   +4 more sources

Spatial and temporal deposition of suberin during maturation of the onion root exodermis

open access: yesBotany, 2011
Suberin is a complex biopolymer composed of a poly(aliphatic) domain (SPAD) and a poly(phenolic) domain (SPPD). Suberin is typically confined to specialized cell types including root exodermal cells, but its synthesis in a maturing exodermis is still not well understood.
Chris J Meyer   +2 more
exaly   +3 more sources

Apoplastic transport of abscisic acid through roots of maize: effect of the exodermis [PDF]

open access: yesPlanta, 2000
The exodermal layers that are formed in maize roots during aeroponic culture were investigated with respect to the radial transport of cis-abscisic acid (ABA). The decrease in root hydraulic conductivity (Lp(r)) of aeroponically grown roots was stimulated 1.5-fold by ABA (500 nM), reaching Lp(r) values of roots lacking an exodermis.
Ernst Steudle   +2 more
exaly   +6 more sources

The exodermis: A forgotten but promising apoplastic barrier

open access: yesJournal of Plant Physiology, 2023
The endodermis and exodermis are widely recognized as two important barriers in plant roots that play a role in regulating the movement of water and ions. While the endodermis is present in nearly all plant roots, the exodermis, characterized by Casparian strips and suberin lamellae is absent in certain plant species.
Tino Kreszies
exaly   +4 more sources
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Functions of passage cells in the endodermis and exodermis of roots

Physiologia Plantarum, 1996
Passage cells frequently occur in the endodermis and exodermis but are not ubiquitous in either layer. Passage cells occur in the form of short cells in the dimorphic type of exodermis. In both layers, Casparian bands are formed in all cells, but the subsequent development of suberin lamellae and thick, cellulosic walls are delayed or absent in the ...
Carol A Peterson, Daryl E Enstone
exaly   +2 more sources

Exodermis structure controls fungal invasion in the leafless epiphytic orchid Dendrophylax lindenii (Lindl.) Benth. ex Rolfe

open access: yesFlora: Morphology, Distribution, Functional Ecology of Plants, 2014
Leafless and shootless epiphytic orchids rely essentially on CAM photosynthesis in roots for carbon gain. However, it is believed that a proportion of carbon is obtained by endomycorrhizal associations.
Guillaume Chomicki   +2 more
exaly   +2 more sources

Apoplastic transport across young maize roots: effect of the exodermis

Planta, 1998
The uptake of water and of the fluorescent apoplastic dye PTS (trisodium 3-hydroxy-5,8,10-pyrenetrisulfonate) by root systems of young maize (Zea mays L.) seedlings (age: 11–21 d) has been studied with plants which either developed an exodermis (Casparian band in the hypodermis) or were lacking it.
Ernst Steudle, Steudle Ernst
exaly   +2 more sources

Impact of the exodermis on infection of roots by Fusarium culmorum

Plant and Soil, 1994
Patterns of infection withFusarium culmorum (W G Smith) Saccardo were observed in seedling roots of barley (Hordeum vulgare L.), wheat (Triticum aestivum L.), maize (Zea mays L.) and asparagus (Asparagus officinalis L). Apical regions of the main roots were not infected.
Susan A. Kamula   +2 more
openaire   +1 more source

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