Sökning: "selfish genetic elements"
Visar resultat 1 - 5 av 6 avhandlingar innehållade orden selfish genetic elements.
1. Drivers of evolutionary change in Podospora anserina
Sammanfattning : Genomic diversity is shaped by a myriad of forces acting in different directions. Some genes work in concert with the interests of the organism, often shaped by natural selection, while others follow their own interests. The latter genes are considered “selfish”, behaving either neutrally to the host, or causing it harm. LÄS MER
2. Catching the Spore killers : Genomic conflict and genome evolution in Neurospora
Sammanfattning : A genome is shaped by many different forces. Recombination can for instance both create and maintain genetic diversity, but the need to locally reduce recombination rates will also leave specific signatures. LÄS MER
3. Genomics of Arbuscular Mycorrhizal Fungi : Expanding knowledge, one assembly at a time
Sammanfattning : Most life forms that inhabit Earth today are still unknown or are difficult to study. Accessing their DNA can give us information of their biology, ecology, and evolution, even when unculturable. The research here presented focused on method development for genomic research of non-model organisms. LÄS MER
4. Genomic and transcriptomic investigation of reproductive incompatibility in Drosophila
Sammanfattning : Both nuclear and cytoplasmic elements can contribute to the emergence of reproductive incompatibilities that influence evolution and speciation. In the projects that compose this thesis, we use genomics and transcriptomics to study some of those elements in Drosophila. LÄS MER
5. Homing Endonucleases and Horizontal Gene Transfer in Bacteria and Bacteriophages
Sammanfattning : Homing endonuclease genes (HEGs) are selfish genetic elements that mediate their own super-Mendelian inheritance. This is mediated by the homing endonuclease cleavage of a HEG- allele followed by recombination-repair with a HEG+ allele.The majority of the HEGs are encoded in intervening sequences (IVSs). LÄS MER