Sökning: "Invasive species"

Visar resultat 21 - 25 av 125 avhandlingar innehållade orden Invasive species.

  1. 21. Physical and biological dispersal barriers in invasive, bloom-forming microalgae

    Författare :Ingrid Sassenhagen; Enhet akvatisk ekologi; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Dispersal barriers; microalgae; phenotypic differentiation; population genetics; priority effects;

    Sammanfattning : For a long time microorganisms were assumed to have unlimited dispersal due to their small size and high cell numbers. Most microbial species can be transported by water currents, in water droplets by wind and attached to other organisms. LÄS MER

  3. 22. Analysis of Secondary Metabolites from Aspergillus fumigatus and Penicillium nalgiovense : Antimicrobial Compounds from Filamentous Fungi Isolated from Extreme Environments

    Författare :Stefan Svahn; Lars Bohlin; Björn Olsen; Ulf Göransson; Erja Chryssanthou; Douglas Kinghorn; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Aspergillus fumigatus; Penicillium nalgiovense; secondary metabolites; invasive aspergillosis; elicitation; gliotoxin; bis methyl gliotoxin; amphotericin B; Pharmacognosy; Farmakognosi;

    Sammanfattning : This thesis describes the cultivation and extraction of filamentous fungi isolated from extreme environments in the search for new antibiotic compounds. Filamentous fungi are a rich source of medicines including antibiotics, and it is believed that many currently unknown fungal species and bioactive fungal metabolites remain to be discovered. LÄS MER

  4. 23. Integrative Modeling of Epigenetic Regulation in Human Disease

    Författare :Xi Lu; Xingqi Chen; Chandrasekhar Kanduri; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Glioblastoma; Cross-species; Glioblastoma stem cell; Dravet syndrome; ATAC-seq; Single-cell multi-omics technology;

    Sammanfattning : Glioblastoma is the most common and aggressive primary brain tumor. Standard of treatment prove ineffective, leading to tumor recurrence and an average survival rate of 14 months. This treatment resistance is attributed to both inter-tumor and intra-tumor heterogeneity observed across diverse tumor samples and within individual cells. LÄS MER

  5. 24. Effects of warming on the ecology of algal-dominated phytobenthic communities in the Baltic Sea

    Författare :Filip Svensson; Pauline Snoeijs; Johan Eklöf; Hans Kautsky; Nils Ekelund; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; climate change; warming; photosynthesis; trophic cascades; pigments; community traits; temperature gradient; invasive mussel; Marine Ecology; marin ekologi;

    Sammanfattning : Through climate change, the global average air and surface water temperature has risen 0.85°C during the last 100 years. The Baltic Sea experienced one of the most rapid increase in temperature recorded of marine ecosystems. LÄS MER

  7. 25. Essays on environmental management : species invasion, social capital and energy demand

    Författare :George Marbuah; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES;

    Sammanfattning : This thesis contributes to the economic literature on invasive species, social capital connection to climate change and environmental good provision as well as energy demand management. It contains five independent papers connected by the broader theme of environmental management. LÄS MER