Sökning: "SRP"

Visar resultat 1 - 5 av 18 avhandlingar innehållade ordet SRP.

  1. 1. Mechanisms for control of nucleoside triphosphate hydrolysis. Effects of DNA and RNA co-factors

    Författare :Bertil Macao; Göteborgs universitet; []
    Nyckelord :ATPase; GTPase; SRP; Ffh; FtsY; SRP RNA; OBP; UL9; oriS; oriS*; HSV-1; helicase.;

    Sammanfattning : In energetically unfavourable biological processes "protein machines" utilize chemical energy from the hydrolysis of high-energy phosphate bonds. Thus, the hydrolysis of a nucleoside triphosphate (NTP) to nucleoside diphosphate (NDP) with the release of free orthophosphate results in a liberation of energy. LÄS MER

  3. 2. Computational identification of RNA and protein components from the Signal Recognition Particle

    Författare :Magnus Alm Rosenblad; Göteborgs universitet; []
    Nyckelord :signal recognition particle; SRP; RNA secondary structure; non-coding RNA;

    Sammanfattning : Problem. The signal recognition particle (SRP) is a ribonucleoprotein particle that targets proteins to the endoplasmic reticulum in eukaryotes, to the plasma membrane in Archaea and Bacteria and to the thylakoid membrane in chloroplasts of photosynthetic organisms. It has one RNA component and 1 6 proteins. LÄS MER

  4. 3. Membrane Protein Biogenesis in Escherichia coli : A proteomics approach

    Författare :David Vikström; Jan-Willem de Gier; Eitan Bibi; Stockholms universitet; []
    Nyckelord :SRP; YidC; SecE; Membrane protein biogenesis; protein targeting; 2D BN SDS-PAGE; Biochemistry; biokemi;

    Sammanfattning : In the bacterium Escherichia coli all proteins are synthesized in the cytoplasm. However, at least 25% of them then need to be exported to another cellular compartment where they exert their function. E. coli has several different targeting pathways to ensure the correct localization of its proteins. LÄS MER

  5. 4. Ribosome Associated Factors Recruited for Protein Export and Folding

    Författare :Amanda Raine; Jarl Wikberg; Harris Bernstein; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Pharmacology; Signal recognition particle; trigger factor; ribosomes; protein folding; membrane targeting; Farmakologi; Pharmacological research; Farmakologisk forskning;

    Sammanfattning : Protein folding and export to the membrane are crucial events in the cell. Both processes may be initiated already at the ribosome, assisted by factors that bind to the polypeptide as it emerges from the ribosome. LÄS MER

  7. 5. Involvement of Rel and GATA transcription factors in the regulation of antimicrobial peptide gene expression in Drosophila melanogaster

    Författare :Ulla-Maja Petersen; Himadri Pakrasi; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Molecular Biology; molekylärbiologi;

    Sammanfattning : Insects posses a powerful immune system related to the innate immune reactions present in vertebrates. When insects are infected by bacteria or other microorganisms, a vast production of different antimicrobial peptides is activated. The expression of antimicrobial peptides is regulated at the level of transcription. LÄS MER