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Found 5 swedish dissertations matching the above criteria.

  2. 1. Phylogeny and Taxonomy of Childia (Acoela) : New characters for unraveling acoel phylogenies from molecules, ultrastructure, immunocytochemistry and confocal microscopy

    Author : Yonas Isaak Tekle; Ulf Jondelius; Mikael Thollesson; Isabel Sanmartin; Kennet Lundin; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Biology; Childiidae; Childia; Paraphanostoma; Acoela; phylogeny; taxonomy; morphology; 18S rRNA; 28S rRNA; Histone H3; ultrastructure; confocal; phalloidin; immunocytochemistry; Biologi; Biology; Biologi;

    Abstract : This thesis presents a comprehensive phylogenetic and taxonomic study of an acoel subgroup, the Childiidae. Members of this taxon are characterized by well-developed male copulatory organs with conical/cylindrical stylets. READ MORE

  4. 2. Ribosome and ribosomal RNA Structure : An experimental and computational analysis of expansion segments in eukaryotic ribosomal RNA

    Author : Gunnar Alkemar; Odd Nygård; Anders Virtanen; Stockholms universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; eukaryotes; expansion segment; ribosomes; rRNA; secondary structure; structure of rRNA.; Cell biology; Cellbiologi; cellbiologi; Cellbiology;

    Abstract : Ribosomes are large ribonucleoprotein complexes which incorporate amino acids into peptide chains during translational process in all types of living cells. The eukaryotic ribosome is larger compared to its prokaryotic counterpart. READ MORE

  5. 3. RNA modifications and post-transcriptional control in cancer and stem cells

    Author : Giulia Beneventi; Avdelningen för molekylär hematologi; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; RNA modifications; Pseudouridine; 2’-O-methylation; Splicing; Translation; non-coding RNAs; Cancer; Stem cells; Differentiation; Stress response;

    Abstract : Splicing and translation are two of the key steps of post-transcriptional regulation of gene expression. Their tight regulation is essential for development, whereas their deregulation is involved in cancer pathogenesis. Nevertheless, many of the molecular mechanisms controlling these processes are still unknown. READ MORE

  6. 4. Not just protein factories : role of ribosome biogenesis as an architect of epithelial-mesenchymal transition and breast cancer progression

    Author : Varsha Prakash; Karolinska Institutet; Karolinska Institutet; []
    Keywords : ;

    Abstract : RNA polymerase I (Pol I)-mediated transcription of ribosomal DNA (rDNA) is considered to be the rate-limiting step in ribosome biogenesis and is a well-known hallmark of cell growth and proliferation. The process of synthesizing new ribosomes is executed by the coordination of multiple complex processes in the nucleolus. READ MORE

  7. 5. Structural and functional studies of the ribosomes : a closer look at expansion segments and translational dynamics in eukaryotes

    Author : Sofia L. Larsson; Alexei A. Bogdanov; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Ribosomer; Zoological Cell Biology; zoologisk cellbiologi;

    Abstract : The ribosome is the basic machinery for protein synthesis in all living cells. In the last decade, there has been an explosion of structural information on the ribosome. The eukaryotic ribosome is larger than the prokaryotic counterpart and contains several extra features, even though they have similar core structures. READ MORE