Search for dissertations about: "Polymerase ?"
Showing result 1 - 5 of 392 swedish dissertations containing the words Polymerase ?.
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1. RNA Polymerase I regulation by chromatin remodelling
Abstract : Cell proliferation and growth is correlated with effective protein synthesis and ribosome biogenesis. The transcription of the 47S pre-ribosomal RNA by RNA Polymerase I (RNA Pol I) machinery is the rate-limiting step of ribosome biogenesis and can accounts for more than 50% of total cellular transcription. READ MORE
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2. Adseverin – An Immune-Specific Target of 2,3,7,8-Tetrachlorodibenzo-p-Dioxin
Abstract : The environmental pollutant 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) induces thymus atrophy and immunosuppression in all animal species examined and these effects constitute a potential risk to humans. TCDD can via binding to the intracellular aryl hydrocarbon receptor (AhR), modulate transcription of a number of genes and the aim of this thesis has been to identify such genes, which may explain the mechanisms behind TCDD-mediated immunotoxicity. READ MORE
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3. Functional and structural properties of eukaryotic DNA polymerase epsilon
Abstract : In eukaryotes there are three DNA polymerases which are essential for the replication of chromosomal DNA: DNA polymerase alpha (Pol alpha), DNA polymerase delta (Pol delta) and DNA polymerase epsilon (Pol epsilon). In vitro studies of viral DNA replication showed that Pol alpha and Pol delta are sufficient for DNA replication on both leading and lagging DNA strands, thus leaving the function of Pol epsilon unknown. READ MORE
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4. Estimation of acute toxicity by using the differentiated neuronal progenitor C17.2 cell model
Abstract : The authorities in Europe and United States request information regarding possible toxicity for substances that are produced in one tonne or more per year. Estimation of acute systemic toxicity is conducted in vivo using mice or rats. READ MORE
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5. Regulation of Mammalian Poly(A) Polymerase Activity
Abstract : Poly(A) polymerase (PAP) is the enzyme catalyzing the synthesis of the adenine tail to the 3’-end of mRNA. This A-tail is present on the majority of the primary RNA transcripts of protein-coding genes, and is important for mRNA stability, export to the cytoplasm and translation. Therefore, PAP is a key regulator of eukaryotic gene expression. READ MORE