YB-1 and Its Role in Microtubule Assembly
Author Information
Author(s): Chernov Konstantin G, Mechulam Alain, Popova Nadezhda V, Pastre David, Nadezhdina Elena S, Skabkina Olga V, Shanina Nina A, Vasiliev Victor D, Tarrade Anne, Melki Judith, Joshi Vandana, Baconnais Sonia, Toma Flavio, Ovchinnikov Lev P, Curmi Patrick A
Primary Institution: Institute of Protein Research, Russian Academy of Sciences
Hypothesis
YB-1 may contribute to the coordination of regulation of mRNA translation and dynamics of the microtubule cytoskeleton.
Conclusion
YB-1 stimulates microtubule assembly in vitro and may regulate microtubule dynamics in vivo.
Supporting Evidence
- YB-1 interacts with tubulin and stimulates microtubule assembly in vitro.
- High resolution imaging showed that microtubules assembled in the presence of YB-1 exhibited a normal single wall ultrastructure.
- YB-1 promotes the assembly of MAPs-tubulin and subtilisin-treated tubulin.
Takeaway
YB-1 is a protein that helps build structures called microtubules in cells, which are important for many cell functions.
Methodology
The study used biochemical experiments, including affinity chromatography, turbidimetry, and microscopy techniques to analyze the interaction between YB-1 and tubulin.
Digital Object Identifier (DOI)
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