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Dissertation
Molekularbiologische Funktionsanalysen von Thioredoxinen aus Dictyostelium discoideum und Identifizierung neuer Interaktionspartner durch das Two-Hybrid-System
(2002-11-28)
Thioredoxins are small, regulatory proteins with a mass of approximately 12 kDa and a characteristic conserved active center, which is represented in the pentapeptide trp-cys-gly-pro-cys. Up to now it is not possible to present a complete list of thioredoxin interaction partners because there is no predictable sequence in the target enzymes where thioredoxins can interact with. To get closer information about the functions and possible interaction partners of the three thioredoxins from the social soil amoeba ...
Dissertation
HelF, a suppressor of RNAi mediated gene silencing in Dictyostelium discoideum
(2006-03-31)
RNA interference (RNAi) is a recently discovered process, in which double stranded RNA (dsRNA) triggers the homology-dependant degradation of cognate messenger RNA (mRNA). In a search for new components of the RNAi machinery in Dictyostelium, a new gene was identified, which was called helF. HelF is a putative RNA helicase, which shows a high homology to the helicase domain of Dicer, to the helicase domain of Dictyostelium RdRP and to the C. elegans gene drh-1, that codes for a dicer related DExH-box RNA helicase, ...