Assembly mechanisms of the bacterial cytoskeletal protein FilP
FilP is a coiled-coil protein that self-assembles into striated filaments and meshwork that shares structural and biochemical characteristics with metazoan intermediate filaments. Despite low-sequence homology, the intermediate filament (IF)–like protein
Ala Javadi +4 more
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Reconstitution of cytolinker-mediated crosstalk between actin and vimentin
Cell shape and motility are determined by the cytoskeleton, an interpenetrating network of actin filaments, microtubules, and intermediate filaments. The biophysical properties of each filament type individually have been studied extensively by cell-free
Irene Istúriz Petitjean +6 more
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Many neurodegenerative disorders, including Parkinson’s, Alzheimer’s, and amyotrophic lateral sclerosis, are well known to involve the accumulation of disease-specific proteins.
Alessandro Didonna, Puneet Opal
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Tmod1 and CP49 synergize to control the fiber cell geometry, transparency, and mechanical stiffness of the mouse lens. [PDF]
The basis for mammalian lens fiber cell organization, transparency, and biomechanical properties has contributions from two specialized cytoskeletal systems: the spectrin-actin membrane skeleton and beaded filament cytoskeleton.
David S Gokhin +7 more
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Isolation of the intermediate filament protein vimentin by chromatofocusing [PDF]
A novel, simple and relatively rapid method is described for the isolation of the intermediate‐sized filament protein vimentin from eye lens tissue. Chromatofocusing is applied as the sole purification step. The apparent isoelectric point of the protein in 6 M urea and at 22°C is 4.9.
Bloemendal, Hans +3 more
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Intermediate filaments take the heat as stress proteins [PDF]
Intermediate filament (IF) proteins and heat shock proteins (HSPs) are large multimember families that share several features, including protein abundance, significant upregulation in response to a variety of stresses, cytoprotective functions, and the phenocopying of several human diseases after IF protein or HSP mutation.
D M, Toivola +3 more
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Intermediate filament linker proteins.
Soc Gen Physiol ...
Fuchs, E. +6 more
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Intermediate Filaments in Motion: Observations of Intermediate Filaments in Cells Using Green Fluorescent Protein-Vimentin [PDF]
In the movies presented in this essay we have demonstrated that IFs are dynamic in nature. Movements of IFs include both extension and retraction and are dependent on the presence of intact MTs. Furthermore, we have characterized a possible intermediate of IF turnover, IF fragments.
J L, Martys +3 more
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Multiple sites in αB-crystallin modulate its interactions with desmin filaments assembled in vitro. [PDF]
The β3- and β8-strands and C-terminal residues 155-165 of αB-crystallin were identified by pin arrays as interaction sites for various client proteins including the intermediate filament protein desmin.
Scott A Houck +3 more
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Septins as membrane influencers: direct play or in association with other cytoskeleton partners
The cytoskeleton comprises three polymerizing structures that have been studied for a long time, actin microfilaments, microtubules and intermediate filaments, plus more recently investigated dynamic assemblies like septins or the endocytic-sorting ...
Béatrice Benoit +3 more
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