Sökning: "bacterial evolution"

Visar resultat 6 - 10 av 135 avhandlingar innehållade orden bacterial evolution.

  1. 6. Genome evolution of a bee-associated bacterium

    Författare :Andrea García-Montaner; Siv Andersson; Matthias Horn; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Bacterial evolution; Genomics; Symbiosis; Honeybees; Biologi med inriktning mot molekylär evolution; Biology with specialization in Molecular Evolution;

    Sammanfattning : The use of large-scale comparative genomics allows us to explore the genetic diversity and mechanisms of evolution of related organisms. This thesis has focused on the application of such approaches to study Lactobacillus kunkeei, a bacterial inhabitant of the honeybee gut.We produced 102 novel complete genomes from L. LÄS MER

  3. 7. Evolutionary trajectories of Klebsiella pneumoniae : From experimental biofilm evolution to a hospital outbreak

    Författare :Greta Zaborskytė; Linus Sandegren; Vaughn S. Cooper; Uppsala universitet; []
    Nyckelord :Klebsiella pneumoniae; evolution; experimental evolution; biofilms; infection; bacterial pathogens; Mikrobiologi; Microbiology;

    Sammanfattning : Bacterial evolution is closely intertwined with our lives. As their hosts, we shape how bacteria evolve by imposing numerous selective pressures during the time bacteria spend in our bodies. As a result, they adapt in various ways to colonize us or infect us better. LÄS MER

  4. 8. Modeling Genome Evolution : Creation, Change and Destruction

    Författare :Mats Pettersson; Otto Berg; Paul Sniegowski; Uppsala universitet; []
    Nyckelord :Molecular biology; Theotretical biology; Population genetics; Stochastic modeling; Genome evolution; Molekylärbiologi;

    Sammanfattning : Historically, evolution has been studied either by looking at morphological traits in living organisms and the fossil record, or by using bioinformatics and comparative genomics. While highly useful for deducing evolutionary history, these approaches are not particularly well suited for studying the mechanisms of evolution. LÄS MER

  5. 9. Lifestyle and Genome Evolution in Vector-Borne Bacteria : A Comparison of Three Bartonella Species

    Författare :Anna Carolin Frank; Siv Andersson; Stewart Cole; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Biology; Bartonella; evolution; host-restriction; vector-borne; horizontal gene transfer; genome reduction; alpha-proteobacteria; Type-IV secretion; Biologi; Biology; Biologi;

    Sammanfattning : Bacterial genomes provide records of the molecular processes associated with emergence and evolution of different bacterial lifestyles. This thesis is based on whole-genome comparisons within the genus Bartonella, an excellent model system for studies of host- and vector-specificity and infection outcome in animal-associated bacteria. LÄS MER

  7. 10. Adaptive Evolution of the Bacterial Translation Machinery

    Författare :Arindam De Tarafder; Suparna Sanyal; Michael Y. Pavlov; Ruben L. Jr. Gonzalez; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Ribosome; Translation; Translation machinery; Elongation; Evolution; RNA world; Cold bacteria; Molekylär biovetenskap; Molecular Life Sciences;

    Sammanfattning : The process of protein synthesis via translation is of paramount importance for the existence of life on Earth. The bacterial translation machinery has embraced more than 3.5 billion years of molecular evolution to adapt and function efficiently under the provided physiological conditions. LÄS MER