Results 111 to 120 of about 602 (145)
The MYB36 transcription factor orchestrates Casparian strip formation [PDF]
Proceedings of the National Academy of Sciences of the United States of America, 2015 Significance Casparian strips play a critical role in sealing endodermal cells in the root to block uncontrolled extracellular uptake of nutrients and water. Building Casparian strips requires the construction of extracellular lignin structures that encircle cells within the cell wall and that are anchored to the plasma membranes of ...
Takehiro Kamiya +2 more
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OBSERVATIONS ON THE PHI‐THICKENINGS AND CASPARIAN STRIPS IN PELARGONIUM ROOTS
American Journal of Botany, 1976An ultrastructural examination of hypodermal cell walls failed to demonstrate the presence of casparian strips as has been reported in the literature. Rather, these cells have supportive phi‐thickenings which differ significantly from casparian strips. Adjacent phi‐thickenings are convex‐convex and stratified in transection, with an uneven surface like
Zane B Carothers
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ON THE FUNCTION OF THE CASPARIAN STRIPS IN ROOTS
Acta Botanica Neerlandica, 1974SUMMARY The dyes safranin and basic fuchsine as well as ferric salts enter the stele when applied as dilute solutions to intact root parts where Casparian strips are well developed. As the entrance is not hampered when the protoplasm has been killed or its activity and permeability diminished by low temperature the most likely way of entrance is ...
B Huisinga
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Isolation of Casparian Strips from Pea Roots
Plant and Cell Physiology, 1992Ichirou Karahara, Hiroh Shibaoka
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Cell biology: Zipping the Casparian strip
Nature Plants, 2016Roots must sort the good from the bad and distinguish the inside from the outside. In endodermal cells, a ring-like apoplastic diffusion barrier called the Casparian strip is established, splitting the cells down the middle into inner and outer lateral halves. Its integrity and polarity depends on a novel protein kinase called SCHENGEN1.
Silvia Melina, Velasquez +1 more
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The Casparian Strip as a Barrier to the Movement of Lanthanum in Corn Roots
Science, 1974The effectiveness of the Casparian strip as a barrier to apoplastic movement of solutes from cortex to stele of corn roots was investigated by using lanthanum in combination with electron microscopy. Lanthanum deposits were found only in cell walls and on the outside of the plasma membrane of epidermal, cortical, and endodermal cells up to the ...
G, Nagahashi, W W, Thomson, R T, Leonard
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A novel protein family mediates Casparian strip formation in the endodermis
Nature, 2011Polarized epithelia are fundamental to multicellular life. In animal epithelia, conserved junctional complexes establish membrane diffusion barriers, cellular adherence and sealing of the extracellular space. Plant cellular barriers are of independent evolutionary origin.
Bert De Rybel +2 more
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Chemical components, physiological functions and regulation mechanism of plant Casparian strips [PDF]
Scientia Sinica Vitae, 2020 Casparian strips are diagnostically modified structure mainly appeared in the endodermis, in which the radial parts of the cell walls are characterized by the deposition of lignin and suberin in the primary cell wall. As a barrier to the apoplastic movement of solutes from the cortex to the stele, Casparian strips are essential for the exclusion of ...
Jinxing Lin
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Casparian Strips in the Leaf Intrastelar Canals of Isoetes duriei Bory, a Mediterranean Terrestrial Species [PDF]
Annals of Botany, 2000 Abstract Anatomical observations, using light and fluorescence microscopy, were made on leaves of Isoetes duriei to verify the presence of casparian bands around the intrastelar canals. This peculiar anatomical feature, previously reported for some Isoetes species, is confirmed. The possible role of this endodermis-like structure, in the transport of
Angelo Troia, Concetta Burgarella
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