Search for dissertations about: "hydroxamate siderophores"

Showing result 1 - 5 of 6 swedish dissertations containing the words hydroxamate siderophores.

  1. 1. Organic acids and siderophores in forest soil solution

    University dissertation from Sundsvall : Mittuniversitetet

    Author : Sara J M Holmström; Mittuniversitetet.; [2003]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; acidification; aluminium; ash treatment; canopy tree; column switching; coniferous; DOC; HPLC-MC; hydroxamate; liming; low molecular weight; organic acids; podzol; porous graphitic carbon; siderophore; soil solution; NATURAL SCIENCES Chemistry; NATURVETENSKAP Kemi;

    Abstract : .... READ MORE

  2. 2. Microbe-mineral interactions in soil Investigation of biogenic chelators, microenvironments and weathering processes

    University dissertation from Stockholm : Department of Geological Sciences, Stockholm University

    Author : Engy Ahmed; Stockholms universitet.; [2015]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Podzol; Biotite; Apatite; Oligoclase; Microbial attachment; Siderophores; Soil microorganisms; geokemi; Geochemistry;

    Abstract : The interplay between geology and biology has shaped the Earth during billions of years. Microbe-mineral interactions are prime examples of this interplay and underscore the importance of microorganisms in making Earth a suitable environment for all forms of life. READ MORE

  3. 3. On the investigation of chemical parameters reflecting microbial activity linked to nutrient availability in forest soil

    University dissertation from Sundsvall : Mid Sweden University

    Author : Madelen Olofsson; Mittuniversitetet.; [2015]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Boreal forest; electrospray ionization; fungal biomass; hydrophilic interaction chromatography; hydroxamate siderophores; liquid chromatography-mass spectrometry; mineral amendment; aromatic acids; podzol soil;

    Abstract : As agrarian society developed, the most fertile soils able to sustain the nutritional requirements needed for high crop yield were assigned to farming, while the more penurious soils were left to uphold the forest ecosystems. Some temperate forests are developed on acidic soils considered to be nutrient poor, as much of the inorganic nutrients are entrapped in poorly weatherable soil minerals and not easily accessed by plant roots. READ MORE

  4. 4. Hydroxamate Siderophores and Low Molecular Mass Organic Acids in Terrestrial and Aquatic Environments Determined by Liquid Chromatography Mass Spectrometry

    University dissertation from Sundsvall : Mittuniversitetet

    Author : Sofia Essén; Mittuniversitetet.; [2007]
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICINE Chemistry; MEDICIN Kemi;

    Abstract : Siderophores are low molecular mass organic compounds with high iron(III) stability constants. They are produced by many microorganisms, often in combination with low molecular mass organic acids (LMMOAs). READ MORE

  5. 5. Molecular perspectives on goethite dissolution in the presence of oxalate and desferrioxamine-B

    University dissertation from Umeå : Umeå University, Department of Chemistry

    Author : Anna A. Simanova; Umeå universitet.; [2011]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURAL SCIENCES Chemistry; NATURVETENSKAP Kemi;

    Abstract : Iron, an essential nutrient, is primarily present in soils in the form of iron-bearing minerals characterized with low solubilities. Under iron deficient conditions, some plants and microorganisms exude a mixture of iron-complexing agents, including carboxylates and siderophores, that can cause minerals to dissolve and increase iron solubility. READ MORE