Sökning: "RNA polymerase"

Visar resultat 16 - 20 av 189 avhandlingar innehållade orden RNA polymerase.

  1. 16. Phylogenetic Relationships of Silene sect. Melandrium and Allied Taxa (Caryophyllaceae), as Deduced from Multiple Gene Trees

    Författare :Anja Rautenberg; Bengt Oxelman; Mikael Thollesson; Magnus Lidén; Freek Bakker; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Silene; Elisanthe; Melandrium; Conoimorpha; Caryophyllaceae; Silene multinervia; relative dating; extreme substitution rates; phylogeny; BEST; BEAST; cpDNA; mtDNA; RNA polymerase; RPA2; RPB2; RPD2; SlX1; SlY1; ITS; introgression; incongruent phylogenies; chromosome count; coalescent; Bayes Factors; Systematics and phylogenetics; Systematik och fylogeni; systematisk botanik; Systematic Botany;

    Sammanfattning : This thesis focuses on phylogenetic relationships among some of the major lineages in Silene subgenus Behenantha (Caryophyllaceae) using DNA sequences from multiple, potentially unlinked gene regions from a large taxonomic and geographic sample. Both traditional phylogenetic analyses and a strategy to infer species trees and gene trees in a joint approach are used. LÄS MER

  3. 17. Molecular Insights into Kcnq1ot1 Noncoding Antisense RNA Mediated Long Range Transcriptional Gene Silencing

    Författare :Radha Raman Pandey; Chandrasekhar Kanduri; Karl Ekwall; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; epigenetics; gene silencing; noncoding RNA; genomic imprinting; Kcnq1ot1; Medical genetics; Medicinsk genetik;

    Sammanfattning : Non-coding antisense RNAs have been implicated in the epigenetic silencing of individual gene as well as chromosomal domains. While silencing of the overlapping gene by antisense RNAs has been well investigated, their functional role in silencing of chromosomal domains remains enigmatic. LÄS MER

  4. 18. Characterization of RNA polymerase II subunit Rpb7 in silencing and transcription

    Författare :Ingela Djupedal; Karl Ekwall; Anthony Wright; Olivier Voinnet; Södertörns högskola; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : The DNA in eukaryotes is arranged in fibres of chromatin. The chromatin may be more or less compacted and the degree of condensation of the chromatin affects the accessibility of the DNA. The accessibility of the DNA, in turn, affects transcription and gene regulation. LÄS MER

  5. 19. Formation and function of wobble uridine modifications in transfer RNA of Saccharomyces cerevisiae

    Författare :Bo Huang; Anders Byström; Monica Rydén-Aulin; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Transfer RNA; Modified nucleoside; Elongator complex; Wobble uridine; Decoding; Molecular biology; Molekylärbiologi;

    Sammanfattning : Transfer RNAs (tRNAs) act as adaptor molecules in decoding messenger RNA into protein. Frequently found in tRNAs are different modified nucleosides, which are derivatives of the four normal nucleosides, adenosine (A), guanosine (G), cytidine (C), and uridine (U). LÄS MER

  7. 20. Molecular Diagnosis of Common Viral Infectious Diseases Based on Real-Time PCR

    Författare :Nahla Mohamed; Jonas Blomberg; Jan Fohlman; Elgh Fredrik; Uppsala universitet; []
    Nyckelord :Molecular biology; Microbiology; Virology; rTth DNA polymerase; UNG; QPCR; RNA virus; broadly targeted PCR; Molekylärbiologi;

    Sammanfattning : Molecular biology has become an integral part of the diagnosis of infectious diseases. Recently, quantitative real-time PCR (QPCR) methods (often in the form of so-called TaqMan® systems) have been developed for the diagnosis of a wide range of infectious diseases; these techniques found valuable clinical application in the diagnosis and evaluation of progress and therapeutic success of viral diseases. LÄS MER