Results 311 to 320 of about 374,310 (333)
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Evidence of Actin in the Cytoskeleton of Microsporidia
Journal of Eukaryotic Microbiology, 1999Using transmission electron microscopy, fluorescence microscopy, immuno‐electron microscopy, and biochemical techniques such as 2‐D electrophoresis and immunoblotting, actin was found in all biological stages of the microsporidia Encephalitozoon hellem and Encephalitozoon cuniculi.
BIGLIARDI, ELISA +9 more
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Prokaryotic origin of the actin cytoskeleton [PDF]
Nature, 2001 It was thought until recently that bacteria lack the actin or tubulin filament networks that organize eukaryotic cytoplasm. However, we show here that the bacterial MreB protein assembles into filaments with a subunit repeat similar to that of F-actin-the physiological polymer of eukaryotic actin.
Fusinita van den Ent +2 more
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Apoptosis and the yeast actin cytoskeleton [PDF]
Cell Death & Differentiation, 2009 Actin represents one of the most abundant and extensively studied proteins found in eukaryotic cells. It has been identified as a major target for destruction during the process of apoptosis. Recent research has also highlighted a role for cytoskeletal components in the initiation and inhibition of apoptotic processes.
Vassilios N. Kotiadis +3 more
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Signaling from Rho to the actin cytoskeleton through protein kinases ROCK and LIM-kinase.
Science, 1999The actin cytoskeleton undergoes extensive remodeling during cell morphogenesis and motility. The small guanosine triphosphatase Rho regulates such remodeling, but the underlying mechanisms of this regulation remain unclear.
M. Maekawa +9 more
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The Actin Cytoskeleton in T Cell Activation
Annual Review of Immunology, 2008T cell cytoarchitecture differs dramatically depending on whether the cell is circulating within the bloodstream, migrating through tissues, or interacting with antigen-presenting cells. The transition between these states requires important signaling-dependent changes in actin cytoskeletal dynamics.
Janis K. Burkhardt +2 more
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Role of actin cytoskeleton in podocytes
Pediatric Nephrology, 2020The selectivity of the glomerular filter is established by physical, chemical, and signaling interplay among its three core constituents: glomerular endothelial cells, the glomerular basement membrane, and podocytes. Functional impairment or injury of any of these three components can lead to proteinuria.
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Cellular Ageing and the Actin Cytoskeleton
2011For some time the view that the actin cytoskeleton acts primarily as a scaffold, to be assembled in response to a signaling cascade as an end point in the pathway, has prevailed. However, it is now clear that the dynamic nature of the cytoskeleton is linked to downstream signaling events that further modulate cellular activity, and which can determine ...
Campbell W. Gourlay +3 more
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Functional design in the actin cytoskeleton
Current Opinion in Cell Biology, 1999Changes in cell shape, anchorage and motility are all associated with the dynamic reorganisation of the architectural arrays of actin filaments that make up the actin cytoskeleton. The relative expression of these functionally different actin filament arrays is intimately linked to the pattern of contacts that a cell develops with its extracellular ...
J. Victor Small +2 more
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Membrane interactions with the actin cytoskeleton
Current Opinion in Cell Biology, 1994Recent advances have been made in our understanding of the direct binding of actin to integral membrane proteins. New information has been obtained about indirect actin-membrane associations through spectrin superfamily members and through proteins at the cytoplasmic surfaces of focal contacts and adherens junctions.
Elizabeth J. Luna, Anne L. Hitt
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Actin and microtubule cytoskeleton interactions
Current Opinion in Plant Biology, 2009Plant cytoskeleton consists of two major networks of protein polymers, actin microfilaments (AFs) and microtubules (MTs). These networks perform numerous functions that are essential for cell division and for maintaining the integrity of cytoplasm required for intracellular transport and cell shape. Besides the more or less indirect cooperation between
Jan Petrášek, Kateřina Schwarzerová
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