Search for dissertations about: "cell ultrastructure"

Showing result 6 - 10 of 46 swedish dissertations containing the words cell ultrastructure.

  2. 6. Revealing the architecture and composition of the sperm flagellum tip

    Author : Davide Zabeo; Göteborgs universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Cell biology; Structural biology; Microtubules; Electron microscopy; Cryo-electron microscopy; Cryo-electron tomography;

    Abstract : The eukaryotic flagellum is a membrane-bound protruding organelle with a cytoskeleton of microtubules. Flagella are found in unicellular as well as multicellular organisms, performing a variety of functions. READ MORE

  4. 7. Cubic Cell Membrane Architectures. Taking another look at membrane bound cell spaces

    Author : Tomas Landh; Livsmedelsteknik; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Livsmedelsteknik; Food and drink technology; projections; image analysis; periodic cubic surfaces; membrane morphology; cubic membranes; cell ultrastructure;

    Abstract : A systematic study of cell membrane morphologies whose structure is governed by cubic symmetries has been performed. It is suggested that they are described by periodic cubic surfaces for which space filling surface foliations given by truncated Fourier series defined by the space groups is used as structural representations. READ MORE

  5. 8. Ultrastructure of the wood cell wall

    Author : Jonas Hafrén; KTH; []
    Keywords : ;

    Abstract : The ultrastructure of wood fibres has been studied incambial cells, differentiating fibres and mature xylem fibres,using the Rapid-Freeze Deep-Etching (RFDE) technique combinedwith transmission electron- and epifluorescence microscopy.Pectin distribution in mature wood fibres, and in fibres duringdevelopment, have been studied by immunolabelling. READ MORE

  6. 9. Effects of reactive oxygen species on the cellular vacuolar apparatus

    Author : Johann Zdolsek; Linköpings universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICINE; MEDICIN;

    Abstract : Reactive and potentially harmful oxygen species occur, and are continuously formed, in all cells of a living organism. Increased production of these metabolites are seen in a number of pathological states, for instance in inflammatory foci or during reoxygenation of ischemic tissue. READ MORE

  7. 10. Understanding and manipulating primary cell walls in plant cell suspension cultures

    Author : Felicia Leijon; Vincent Bulone; Katja Salomon Johansen; KTH; []
    Keywords : Callose synthase; carbohydrate-binding module; cell wall engineering; cellulose microfibril; cellulose nanocrystal; glycosyltransferase; mass spectrometry; plasmodesmata; Populus; primary cell wall; radiometric assay; spectrophotometric assay; Biotechnology; Bioteknologi;

    Abstract : The cell wall is required for many aspects of plant function and development. It is also an accessible and renewable resource utilized both in unrefined forms and as raw material for further development. Increased knowledge regarding cell wall structure and components will contribute to better utilization of plants and the resources they provide. READ MORE