Sökning: "Katharina Pawlowski"

Visar resultat 1 - 5 av 13 avhandlingar innehållade orden Katharina Pawlowski.

  1. 1. Endosymbiosis of Frankia cluster-2

    Författare :Fede Berckx; Katharina Pawlowski; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; root nodule endosymbiosis; Frankia; Datisca glomerata; nitrogen fixation; actinorhizal; peptidoglycan; RT-qPCR;

    Sammanfattning : Actinobacteria of the genus Frankia engage in root endosymbiosis with actinorhizal plants belonging to the Fagales, Cucurbitales and Rosales. The genus Frankia consists of four different clades. Strains belonging to cluster-1, -2, and -3 exhibit host-specificity which plants they can nodulate, while cluster-4 strains do not engage in symbiosis. LÄS MER

  3. 2. To be together or not to be together : Ca. 100 million years of evolutionary history of the earliest divergent Frankia clade

    Författare :Fede Berckx; Katharina Pawlowski; Barbara Reinhold-Hurek; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; root nodule symbiosis; Frankia; actinorhizal symbiosis; växtfysiologi; Plant Physiology;

    Sammanfattning : Root nodule symbiosis evolved ca. 100 Mya between a nitrogen-fixing bacterium and the common ancestor to the Fabales, Fagales, Rosales, and Cucurbitales plant orders. Over time the majority of the lineages derived from this ancestor lost their symbiotic capability. LÄS MER

  4. 3. Analysis of sterol metabolism in the pathogenic oomycetes Saprolegnia parasitica and Phytophthora infestans

    Författare :Paul Dahlin; Vincent Bulone; Lisbeth Jonsson; Katharina Pawlowski; Lauren Mckee; Sophia Ekengren; Folke Sitbon; Steven Kelly; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Plant Physiology; växtfysiologi;

    Sammanfattning : The primary objective of this thesis was to investigate the sterol metabolism of two pathogenic oomycetes, specifically the processes of sterol synthesis and sterol acquisition in the fish pathogen Saprolegnia parasitica (Saprolegniales) and the plant pathogen Phytophthora infestans (Peronosporales). Furthermore, the effects of steroidal glycoalkaloids from Solanaceous plants, on P. LÄS MER

  5. 4. Differentiation of infected cells in root nodule symbioses

    Författare :Irina Demina; Katharina Pawlowski; Ganeteg Ulrika; Stockholms universitet; []
    Nyckelord :Plant Physiology; växtfysiologi;

    Sammanfattning : .... LÄS MER

  7. 5. The actinorhizal symbiosis of Datisca glomerata: Search for nodule-specific marker genes

    Författare :Irina V. Demina; Katharina Pawlowski; Franziska Krajinski; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; actinorhizal symbiosis; Datisca glomerata; nodule transcriptome; nodule-specific marker genes; cysteine-rich peptides; auxins and cytokinins; Plant Physiology; växtfysiologi;

    Sammanfattning : The actinorhizal symbiosis is entered by nitrogen-fixing actinobacteria of the genus Frankia and a large group of woody plant species distributed among eight dicot families. The actinorhizal symbiosis, as well as the legume-rhizobia symbiosis, involves the stable intracellular accommodation of the microsymbionts in special organs called root nodules. LÄS MER