Casparian strip


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Related to Casparian strip: root pressure, cambium, Apoplast

Casparian strip

[ka′spar·ē·ən ‚strip]
(botany)
A thin band of suberin- or lignin-like deposition in the radial and transverse walls of certain plant cells during the primary development phase of the endodermis.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The Casparian strip plays important roles in environmental adaptation by acting as a physical barrier that prevents unfavorable leakage of ions between the xylem and the soil.
(9) It has also been reported that the tpst-1 mutant showed hypersensitivity to copper deficiency (61) and defective formation of the Casparian strip in roots.
(2017) A peptide hormone required for Casparian strip diffusion barrier formation in Arabidopsis roots.
(2011) Unveiling the Casparian strip. Nature 473, 294-295.
In their study, the researchers from Dartmouth, the University of Aberdeen and the University of Lausanne identified a protein, ESB1, involved in the deposition of lignin patches early in the development of the Casparian strip and the fusion of these patches into a continuous band of lignin as the Casparian strip matures.
Analysis of the literature does not permit the significance of the casparian strip in aerial orgaas to be explained.
Cortex is parenchymatous with secretory ducts (Figure 5B) and there is no evidence of endodermis with Casparian strips nor starchy sheath.
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