Search for dissertations about: "chemosensation"

Showing result 1 - 5 of 8 swedish dissertations containing the word chemosensation.

2. 1. Evolution of the G protein-coupled receptor signaling system : Genomic and phylogenetic analyses

   Author : Arunkumar Krishnan; Helgi Schiöth; Torgeir Hvidsten; Uppsala universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; GPCRs; G proteins; Sensory system; Signal transduction; Olfaction; Chemosensation; Hemichordates; Sponges; Porifera; Bilaterians; Holozoans; Fungi; Opisthokonts; Bioinformatics; Bioinformatik;

   Abstract : Signal transduction pathways mediated by G protein-coupled receptors (GPCRs) and their intracellular coupling partners, the heterotrimeric G proteins, are crucial for several physiological functions in eukaryotes, including humans. This thesis describes a broad genomic survey and extensive comparative phylogenetic analysis of GPCR and G protein families from a wide selection of eukaryotes. READ MORE

4. 2. Thermo- and chemosensitive properties of Transient Receptor Potential Ankyrin 1 ion channels

   Author : Lavanya Moparthi; Biokemi och Strukturbiologi; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; TRP ion channels; TRPA1; ankyrin repeat domain; thermosensation; chemosensation; cold sensor; electrophiles; non-electrophiles; planar lipid bilayers; patch-clamp; fluorescence spectroscopy; mass spectrometry;

   Abstract : The ability to sense and accommodate to an ever-changing environment is crucial for the survival of living organisms. Transient Receptor Potential (TRP) ion channels comprise a large superfamily of cation conducting membrane proteins that function as molecular sensors in diverse sensory processes including perception of light, taste, smell, sound, touch and temperature. READ MORE

5. 3. A molecular exploration of sensory responses in c. elegans

   Author : Longjun Pu; Changchun Chen; Simon Tuck; Sara I Wilson; Zhiyong Shao; Umeå universitet; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; C. elegans; sensation; CRISPR Cas9; G protein-coupled receptors; neuropeptides; acute hypoxia; pathogen; chemosensation; hydrogen sulfide; HIF-1; iron;

   Abstract : Sensation provides a pivotal ability, allowing animals to survive in complex environments. The cues sensed by animals are represented by external stimuli and internal signals. However, the mechanisms mediating sensations in molecular and cellular level are still not well-studied. In this thesis, by using free-living nematodes C. READ MORE

6. 4. Painfully Energetic : A tale of two proteins potentially connected

   Author : Eva Sperling; Biokemi och Strukturbiologi; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Complex I; Mrp-antiporter; Membrane bound hydrogenases; TRP ion channels; TRPA1; thermosensation; chemosensation; 23Na-NMR;

   Abstract : NADH:quinone oxidoreductase (Complex I) is the first enzyme of the respiratory chain and is involved in energy conservation generating an electro-chemical gradient across a membrane. The enzyme can be divided into a membrane spanning domain and a hydrophilic domain, which protrudes from the membrane. READ MORE

7. 5. Chemosensation in Aedes aegypti: from molecular response profiles to host-seeking behaviour

   Author : Anaïs Tallon; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES;

   Abstract : The female mosquito Aedes aegypti is the primary urban vector of various highly infectious neglected tropical diseases. Disease transmission relies heavily on odourmediated behaviours, including e.g., sugar- and host-seeking, which are crucial during the mosquito life cycle and has dire impacts on vectorial capacity. READ MORE