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.
References in periodicals archive ?
We confirmed that the double mutant devoid of these two peptide genes was a phenocopy of the receptor mutant, and external application of the synthetic peptides restored contiguous Casparian strip formation in the mutant roots.
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.
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.
The hypocotyl cortex (Figure 2D and E) shows parenchyma and eventually collenchyma; there is no endodermis with Casparian strips.
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