Sökning: "RNA turnover"

Visar resultat 1 - 5 av 30 avhandlingar innehållade orden RNA turnover.

  1. 1. Studies on endoribonuclease RNase E and its role in RNA turnover

    Författare :Björn Sohlberg; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Gene regulation RNA processing mRNA stability endoribonucleases RNase E AUUUA-motifs Archaea;

    Sammanfattning : RNA turnover is an important level of regulation of gene expression, by which a cell can rapidly adjust to changes in its environment. The turnover of RNA is done by an efficient but not well understood mechanism. LÄS MER

  3. 2. Genetics and Growth Regulation in Salmonella enterica

    Författare :Jessica M. Bergman; Diarmaid Hughes; Dan I. Andersson; Måns Ehrenberg; Stanley Maloy; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; tufA; tufB; EF-Tu; ppGpp; Stringent response; RNase E; RNA turnover; Post-transcriptional regulation; rpoB; rpoS; Growth in stationary phase; Biology with specialization in Microbiology; Biologi med inriktning mot mikrobiologi; Mikrobiologi; Microbiology; Molekylär genetik; Molecular Genetics; Biology with specialization in Molecular Evolution; Biologi med inriktning mot molekylär evolution;

    Sammanfattning : Most free-living bacteria will encounter different environments and it is therefore critical to be able to rapidly adjust to new growth conditions in order to be competitively successful. Responding to changes requires efficient gene regulation in terms of transcription, RNA stability, translation and post-translational modifications. LÄS MER

  4. 3. Transcription kinetics in pluripotent cells : RNA turnover, transcription velocity, and epigenomic regulation

    Författare :Rui Shao; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : Transcriptional regulation is one of the primary steps in gene expression control. It is now appreciated that a large fraction of coding genome is transcribed in concert of other functional RNAs. LÄS MER

  5. 4. Studies on mRNA turnover in bacteria

    Författare :Martin Persson; Biologiska institutionen; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Microbiology; aprE; GlpP; glpD; mRNA secondary structure; Bacillus subtilis; mRNA stability; bacteriology; virology; mycology; Mikrobiologi; bakteriologi; virologi; mykologi;

    Sammanfattning : Genetic information, which is stored in DNA, is transferred to messenger RNA (mRNA) in a process called transcription. mRNAs are then translated by ribosomes into proteins which, with some important exceptions, catalyze chemical reactions in cells. Since cells must be able to adapt to changes in the environment, mRNAs must be unstable. LÄS MER

  7. 5. Mitochondrial RNA processing in health and disease

    Författare :Isabelle Laine; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : Mitochondria are often described as the powerhouses of the cell, providing the main cellular energy source in the form of adenosine triphosphate. Five enzyme complexes, collectively termed the oxidative phosphorylation system, use the reducing power from nutrients to synthesise adenosine triphosphate via cellular respiration. LÄS MER