Sökning: "initiation of translation"

Visar resultat 1 - 5 av 91 avhandlingar innehållade orden initiation of translation.

  1. 1. Study on the Function of Translation Initiation Factor IF1

    Författare :Victor Croitoru; Leif A. Isaksson; Kim Kusk Mortensen; Stockholms universitet; []
    Nyckelord :translation; initiation factor IF1; mutagenesis; A-site; RNA chaperone; NATURAL SCIENCES; NATURVETENSKAP;

    Sammanfattning : Initiation is the first step in protein biosynthesis representing a fundamental event in cell life which determines fidelity, efficiency and regulation of gene expression. In addition to the ribosome and mRNA, three protein factors IF1, IF2 and IF3 are involved in the initiation of translation in prokaryotes. LÄS MER

  3. 2. Computational Studies of Protein Synthesis on the Ribosome and Ligand Binding to Riboswitches

    Författare :Christoffer Lind; Johan Åqvist; Alexander MacKerell Jr; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Binding free energy; Ribosome; Codon reading; Translation initiation; Translation termination; Mitochondrial translation; Release factor; Purine riboswitch; Molecular Dynamics; Free Energy Perturbation; Biology with specialization in Molecular Biotechnology; Biologi med inriktning mot molekylär bioteknik;

    Sammanfattning : The ribosome is a macromolecular machine that produces proteins in all kingdoms of life. The proteins, in turn, control the biochemical processes within the cell. It is thus of extreme importance that the machine that makes the proteins works with high precision. LÄS MER

  4. 3. Structural and Genetic Studies of Translation in Escherichia coli

    Författare :Qing Zhao; Leif Isaksson; Lars-Göran Öfverstedt; Odd Nygård; Stockholms universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; electron tomography; ribosome; 30S subunit; 50S subunit; rifampicin; Escherichia coli; Translation initiation; Initiation codon; Downstream Region DR ; Microbiology; immunology; infectious diseases; Mikrobiologi; immunologi; infektionssjukdomar;

    Sammanfattning : Ribosomes are the universal ribonucleoprotein organelles that translate the genetic message from mRNA to protein. In prokaryotes, the ribosomal subunits are 30S and 50S subunit, which bind together during the translation process forming 70S ribosome. LÄS MER

  5. 4. Role of the 3'UTR in translation and stability of HCV and HPV mRNAs

    Författare :Lisa Wiklund; Laszlo Szekely; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Biochemistry; Hepatitis C virus; Human Papillomavirus; 3’ untranslated region; AU-rich sequence; mRNA stability; translation; Biokemi; Biochemistry; Biokemi; Medical Virology; medicinsk virologi;

    Sammanfattning : Virus mRNAs can be divided into functional regions. The focus of this thesis will be to investigate the function of one of these regions, the 3’ untranslated region (UTR). The 3’UTR of HCV contains a U-rich element and the late 3’UTR of HPV-1 contains an AU-rich element. LÄS MER

  7. 5. Ribosome standby sites and other structural aspects of translation initiation regions in Escherichia coli

    Författare :Maaike M. Sterk; Gerhart E. H. Wagner; Fredrik Söderbom; Isabella Moll; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Ribosome standby sites; translation initiation; mRNA structure; bacteria;

    Sammanfattning : Translation initiation, which is rate-limiting in protein synthesis, is often the step at which regulation occurs. Here, we investigated several mechanisms of translation initiation in Escherichia coli, including their control. LÄS MER