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Tsitologiia. 2010;52(1):63-79.

[Comparison of crude lysate pellets of isogenic strains of yeast with different prion composition: identification of a set of prion-associated proteins].

[Article in Russian]


A new approach: comparative analysis of proteins of the pellets of crude cell lysates of isogenic strains of Saccharomyces cerevisiae differing by their prion composition permitted to identify a large group of prion-associated proteins in yeast cells. 2D-electrophoresis followed by MALDI-analysis of a recipient [psi-] strain and of [PSI+] cytoductant led to identification of 35 proteins whose aggregation state responded to a shift of prion(s) content. Approximately half of these proteins belonged to functional groups of chaperones and enzyme involved in glucose metabolism. Notable were also proteins involved in translation, in oxidative stress response and in protein degradation. The data obtained are compared with the results of other groups who used other approaches to detecting proteins involved in prion aggregates.

[PubMed - indexed for MEDLINE]
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