Hermes Transposon Mutagenesis Shows [URE3] Prion Pathology Prevented by a Ubiquitin-Targeting Protein: Evidence for Carbon/Nitrogen Assimilation Cross Talk and a Second Function for Ure2p in Saccharomyces cerevisiae.

Abstract excerpt

[URE3] is an amyloid-based prion of Ure2p, a regulator of nitrogen catabolism. While most "variants" of the [URE3] prion are toxic, mild variants that only slightly slow growth are more widely studied. The existence of several antiprion systems suggests that some components may be protecting cells from potential detrimental effects of mild [URE3] variants. Our extensive Hermes transposon mutagenesis showed that...

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