Search for dissertations about: "sperm ageing"

Found 2 swedish dissertations containing the words sperm ageing.

  2. 1. Selection in sperm and its consequences : Exploring haploid selection, ageing and epigenetic effects in sperm

    Author : Cosima Hermans Née Hotzy; Simone Immler; Göran Arnqvist; Mariana Wolfner; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; sperm; evolution; selection; haploid selection; epigenetics; sperm-mediated effects; trans-generational effects; sperm ageing; sperm senescence;

    Abstract : Sexually reproducing eukaryotes are typically going through a biphasic life cycle with a diploid and a haploid phase. Unlike in plants where selection on haploid pollen genotypes is well established, the possibility of selection occurring in animal sperm is currently not known. READ MORE

  4. 2. Studies of molecular mechanisms of telomere maintenance in Naumovozyma castellii

    Author : Ahu Karademir Andersson; Molekylär cellbiologi; []
    Keywords : YEAST; Saccharomyces castellii; Naumovozyma castellii; Processvity; Telomerase; Telomere; ALT; Strain engineering;

    Abstract : Telomeres are special DNA-protein structures that protect ends of chromosomes from being recognized as double-strand breaks. Telomeres consist of tandemly repeated units of TG-rich DNA and associate with telomere-specific proteins. READ MORE