Sökning: "honeybee"

Visar resultat 1 - 5 av 11 avhandlingar innehållade ordet honeybee.

  1. 1. Lactic acid bacterial symbionts from the honeybee: Characteristics and applications in wound management

    Författare :Éile Butler; Avdelningen för medicinsk mikrobiologi; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; wound management; honey; extracellular proteins; bioactive substances; honeybee; Lactic acid bacteria;

    Sammanfattning : Antibiotic resistance is now a large threat with worldwide agreement that we will fall into a post-antibiotic era unless there is suitable treatment alternatives discovered. In recent years, chronic wounds have become a major burden on society and treatment is complicated. LÄS MER

  3. 2. Virus Dynamics in Naturally Varroa-Resistant Honeybee Populations

    Författare :Srinivas Thaduri; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : The ectoparasitic mite, Varroa destructor, together with its associated viruses is the most significant threat to honeybee (Apis mellifera) health world-wide. Since the introduction of varroa to the new host species, the European honey bee (Apis mellifera), it has been responsible for the near complete eradication of wild and feral honeybee populations in Europe and North America. LÄS MER

  4. 3. Bee foraging and pollination : Consequences of spatial and temporal variation in flower resources

    Författare :Johanna Yourstone; Biodiversitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Apoidea; bumblebee; foraging behavior; landscape ecology; land-use change; oilseed rape; trees; flower constancy; honeybee competition; functional traits; seminatural habitats; chili;

    Sammanfattning : Wild bees foraging in contemporary agricultural landscapes are, because of agricultural intensification, faced with the challenges of reduced flower-rich habitats, as well as a changed spatio-temporal distribution of flower resources. As a result of this and other stressors such as pesticide exposure, widespread declines of bees have been reported. LÄS MER

  5. 4. The effect of honeybee-­specific lactic acid bacteria on american foulbrood disease of honeybees

    Författare :Sepideh Lamei; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES;

    Sammanfattning : The honeybee, Apis mellifera, is one of the most economically important pollinators and highly valued for its honey and wax production. Managed honeybees occupy an increasingly critical role in agricultural productivity and food security. LÄS MER

  7. 5. Toll-mediated cellular immune response in Drosophila melanogaster

    Författare :Martin Rudolf Schmid; Dan Hultmark; Louisa Wu; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; molekylärbiologi; Molecular Biology;

    Sammanfattning : Insects are amongst the most abundant and diversified multi-cellular organisms on earth. As pollinators of the vast majority of our food crops their socio-economic value is hard to overestimate. LÄS MER