Results 151 to 160 of about 1,295 (175)

Cell biology: Zipping the Casparian strip

Nature Plants, 2016
Roots 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, Jürgen, Kleine-Vehn   +1 more
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Observations on the Phi-Thickenings and Casparian Strips in Pelargonium Roots

American Journal of Botany, 1976
An 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
David L. Haas, Zane B. Carothers, Robert R. Robbins   +2 more
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ON THE FUNCTION OF THE CASPARIAN STRIPS IN ROOTS

Acta Botanica Neerlandica, 1974
SUMMARY 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, A. M. W. Knijff
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A novel protein family mediates Casparian strip formation in the endodermis

Nature, 2011
Polarized 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.
Roppolo Daniele, De Rybel Bert, Tendon Valérie Dénervaud, Pfister Alexandre, Alassimone Julien, Vermeer Joop E M, Yamazaki Misako, Stierhof York-Dieter, Beeckman Tom, Geldner Niko   +9 more
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The Casparian strip—one ring to bring cell biology to lignification?

Current Opinion in Biotechnology, 2019
Lignin research has long been motivated by the outstanding importance of wood for human societies. The annual, non-woody Arabidopsis thaliana, has nevertheless contributed greatly to our understanding of lignification, due to its unrivalled genetic resources.
Inês Catarina Ramos Barbosa, Nelson Rojas-Murcia, Niko Geldner   +2 more
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Casparian strips in needles of Pinus bungeana: isolation and chemical characterization

Physiologia Plantarum, 2003
By using cell wall degrading enzymes, Casparian strips were for the first time isolated from Pinus bungeana needle endodermis. They appeared as a fine network, similar to those isolated from roots. Fourier transform infrared spectroscopic analysis provided evidence that the Casparian strips were impregnated with lignin, suberin, cellulose and cell wall
Xiaoqin, Wu, Jinxing, Lin, Jinmao, Zhu, Yuxi, Hu, Klaus, Hartmann, Lukas, Schreiber   +5 more
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Polarly localized kinase SGN1 is required for Casparian strip integrity and positioning

Nature Plants, 2016
Casparian strips are precisely localized and aligned ring-like cell wall modifications in the root of all higher plants. They set up an extracellular diffusion barrier analogous to animal tight junctions, and are crucial for maintaining the homeostatic capacity of plant roots.
Julien Alassimone, Satoshi Fujita, Verónica G. Doblas, Maritza van Dop, Marie Barberon, Lothar Kalmbach, Joop E. M. Vermeer, Nelson Rojas-Murcia, Luca Santuari, Christian S. Hardtke, Niko Geldner   +10 more
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Transient cell-specific EXO70A1 activity in the CASP domain and Casparian strip localization

Nature Plants, 2017
In a striking case of evolutionary convergence, polarized cell layers with ring-like diffusion barriers have evolved in both plant and animal lineages independently. In plants, ring-like Casparian strips become localized by the CASPARIAN STRIP MEMBRANE DOMAIN PROTEINS (CASPs). The mechanism of this striking localization, however, has remained enigmatic.
Kalmbach, Lothar, Hématy, Kian, de Bellis, Damien, Barberon, Marie, Fujita, Satoshi, Ursache, Robertas, Daraspe, Jean, Geldner, Niko   +7 more
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Lignin developmental patterns and Casparian strip as apoplastic barriers: A review

International Journal of Biological Macromolecules
Lignin and Casparian strips are two essential components of plant cells that play critical roles in plant development regulate nutrients and water across the plants cell. Recent studies have extensively investigated lignin diversity and Casparian strip formation, providing valuable insights into plant physiology.
Nisar, Uddin, Xia, Li, Muhammad Wajid, Ullah, Sivasamy, Sethupathy, Keyu, Ma, , Zahoor, Noureddine, Elboughdiri, Khalid Ali, Khan, Daochen, Zhu   +8 more
openaire   +2 more sources