Search for dissertations about: "Drosophila melanogaster"

Showing result 16 - 20 of 176 swedish dissertations containing the words Drosophila melanogaster.

  2. 16. Chemical signalling in the Drosophila brain : GABA, short neuropeptide F and their receptors

    Author : Lina E. Enell; Dick Nässel; Jonathan Bacon; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Insect nervous system; Drosophila; GABA; sNPF; GPCR; ion channel receptor; feeding; metabolic stress; olfaction; antennal; lobe; mushroom body; Morphology; Morfologi; funktionell morfologi; Functional Zoomorphology;

    Abstract : Gamma-aminobutyric acid (GABA) and short neuropeptide F (sNPF) are widespread signalling molecules in the brain of insects. In order to understand more about the signalling and to some extent start to unravel the functional roles of these two substances, this study has examined the locations of the transmitters and their receptors in the brain of the fruit fly Drosophila melanogaster using immunocytochemistry in combination with Gal4/UAS technique. READ MORE

  4. 17. Function and targets of the Urm1/Uba4 conjugation machinery in Drosophila melanogaster

    Author : Behzad Khoshnood; Caroline Grabbe; Tor Erik Rusten; Umeå universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Drosophila; Urm1; Uba4; MOCS3; Tax; HTLV; Posttranslational modification; ubiquitin-like modifiers; UBL; PTM; JNK; neuromuscular junctions; signaling; molekylärbiologi; Molecular Biology;

    Abstract : Posttranslational modification (PTM) of proteins is essential to maintain homeostasis and viability in all eukaryotic cells. Hence, besides the sequence and 3D folding of a polypeptide, modification by multiple types of PTMs, ranging from small molecular groups to entire protein modules, adds another layer of complexity to protein function and regulation. READ MORE

  5. 18. Investigating the function of the Receptor Tyrosine Kinase ALK during Drosophila melanogaster development

    Author : Christina Lorén; Mike Taylor; Umeå universitet; []
    Keywords : DAlk; receptor tyrosine kinase; Jeb; visceral muscle fusion; ERK; Drosophila; endoderm; molecular cell biology; molekylär cellbiologi;

    Abstract : The Drosophila melanogaster gene Anaplastic Lymphoma Kinase (DAlk) is homologous to mammalian Alk, which is a member of the Alk/Ltk family of receptor tyrosine kinases (RTKs). In humans the t(2;5) translocation involving the Alk locus encodes an active form of Alk that is the causative agent in Non-Hodgkin’s Lymphoma (Morris et al., 1994). READ MORE

  6. 19. Protein tyrosine kinases and the regulation of signalling and adhesion in drosophila melanogaster

    Author : Caroline Grabbe; Ruth Palmer; Tapio Heino; Umeå universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Drosophila; Signalling; Adhesion; Protein Tyrosine Kinase; Development; Endocytosis; Molecular biology; Molekylärbiologi;

    Abstract : In order to build a multi-cellular organism and to regulate cellular functions, cells need to communicate with each other, as well as tightly regulate their behaviour in response to environmental changes. For these purposes all eukaryotic cells express a large number of membrane spanning receptors that either themselves contain catalytic activity or via cytoplasmic effector enzymes, function to transmit “signals” from the cell exterior to induce appropriate responses within the cell. READ MORE

  7. 20. The fruit fly Drosophila melanogaster GSTE6 and E7; characterization, immobilization and transgenic overexpression

    Author : Muhammad Aslam; Bengt Mannervik; Ralf Morgenstern; Stockholms universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Glutathione transferases; drosophila melanogaster; isothiocyanates; toxicity; immobilization; kinetics; neurokemi med molekylär neurobiologi; Neurochemistry with Molecular Neurobiology;

    Abstract : Glutathione transferases (GSTs) are multifunctional enzymes that are universally distributed in most eukaryotes and prokaryotes. They play a pivotal role in the metabolism and detoxication of numerous endogenous and exogenous electrophiles by conjugating them with ubiquitous tripeptide glutathione. READ MORE