Search for dissertations about: "genetic variability"

Showing result 6 - 10 of 220 swedish dissertations containing the words genetic variability.

  2. 6. Adaptive significance of queen mating frequency in ants : In search of benefits of genetic variability

    Author : Pia J. Gertsch; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Developmental biology; Utvecklingsbiologi; Developmental biology; Utvecklingsbiologi; Genetics; genetik;

    Abstract : Fitness effects of polyandry, multiple mating by females, were studied on two ant speciesLasius niger and Formica truncorum. Particular emphasis was put on evaluating diploid male load, which happens when homozygosity in the sex determination locus leads to intendedfemales developing into sterile, diploid males. READ MORE

  4. 7. Fishing the gene pool : Genetic structure, admixture and behavioural complexity in fisheries management

    Author : Kim H. Berndt; Enhet akvatisk ekologi; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Fisheries management; Fishery stock; Stock discrimination; Genetic structure; Genetic admixture; Admixture zone; Stock substructure; Phenotypic divergence; Gadus morhua; Salmo trutta;

    Abstract : Prudent management of marine fish resources relies on separation and management of biologically meaningful groups of conspecifics, termed fishery stocks, often depicted as self-sustaining, spatiotemporally separated and demographically independent entities. Such stock discrimination has however proven challenging. READ MORE

  5. 8. Effects of Agriculture on Abundance, Genetic Diversity and Fitness in the Common Frog, Rana temporaria

    Author : Markus Johansson; Anssi Laurila; Juha Merilä; Craig R. Primmer; Michael W. Bruford; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Biology; agriculture; agrochemicals; amphibians; effective population size; genetic diversity; genetic structure; hierarchical sampling; microsatellites; Rana temporaria; Biologi; Biology; Biologi;

    Abstract : The aims of this thesis were to evaluate the effects of agriculture on amphibians in terms of (i) population genetic consequences of agriculture-induced spatial changes of the landscape and (ii) local adaptation and tolerance to frequently used agrochemicals. The study was performed using the common frog Rana temporaria as a model. READ MORE

  6. 9. Interindividual Variability of Drug Transport Proteins : Focus on Intestinal Pgp (ABCB1) and BCRP (ABCG2)

    Author : Gunilla Englund; Per Artursson; Håkan Melhus; Andreas Kindmark; Joseph W Polli; Uppsala universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Pharmaceutics; membrane transport proteins; ATP-Binding Cassette Transporters; P-glycoprotein; Breast Cancer Resistance Protein; Interindividual variability; Galenisk farmaci; Pharmaceutics; Galenisk farmaci;

    Abstract : The appearance of adverse drug reactions is a common reason for hospitalization in Western countries. Research on underlying biological mechanisms for interindividual variability in drug response aims to better identify patients with exceptional genetic traits, disease conditions or risk of drug-drug interactions and thereby help to prevent adverse drug reactions. READ MORE

  7. 10. Glycoprotein G of Herpes simplex virus type 2. Antigenicity and genetic variability

    Author : Jan-Åke Liljeqvist; Göteborgs universitet; []
    Keywords : Herpes simplex virus type 2; glycoprotein G; antigenic regions; sequence variability;

    Abstract : Herpes simplex virus type 2 (HSV-2) causes genital lesions, meningitis and occasionally, severe neonatal infections. Globally HSV-2 infection is one of the most common sexually transmitted diseases. READ MORE