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Application of GFP-Labeling to Study Prions in Yeast

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Fluorescent live cell imaging has recently been used in numerous studies to examine prions in yeast. These fluorescence studies take advantage of the fact that unlike the normally folded form, the misfolded amyloid form of the prion protein is aggregated. The studies have used fluorescence to identify new prions, to study the transmission of prion from mother to daughter, and to understand the role of molecular chaperones in this transmission. The use of fluorescence imaging complements the more standard methods used to study prion propagation. This review discusses the various studies that have taken advantage of fluorescence imaging technique particularly in regard to understanding the transmission and curing of the [PSI+], the prion form of the translation termination factor Sup35p.

Document Type: Research Article


Publication date: 2009-06-01

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  • Protein & Peptide Letters publishes short papers in all important aspects of protein and peptide research, including structural studies, recombinant expression, function, synthesis, enzymology, immunology, molecular modeling, drug design etc. Manuscripts must have a significant element of novelty, timeliness and urgency that merit rapid publication. Reports of crystallisation, and preliminary structure determinations of biologically important proteins are acceptable. Purely theoretical papers are also acceptable provided they provide new insight into the principles of protein/peptide structure and function.
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