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Zobrazují se záznamy 1-10 z 19120
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Host Specialization and Evolution of Cuckoo Behavior in Bees
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Přírodovědecká fakulta, 2024)Datum obhajoby: 22. 4. 2024Cuckoo bees are nest parasites of solitary and sometimes also social bee species. They do not build their own nests. Nor do they provision their larvae. Instead, they seek out a suitable host nest to lay their eggs in, and ... -
Study of the substrate specificity of the LACTB tumour suppressor enzyme
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Přírodovědecká fakulta, 2019)Datum obhajoby: 19. 9. 2019Serine beta-lactamase-like protein (LACTB) is a tumour suppressor that modulates mitochondrial lipid metabolism and induces differentiation of breast cancer cells. This is achieved by the LACTB-dependent downregulation of ... -
Ecology of bryophytes in post mining sites
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Přírodovědecká fakulta, 2023)Datum obhajoby: 22. 5. 2023Mining sites offer a mosaic of spoil heaps of different age, with diverse substrate characteristics. Especially problematic for vegetation development can be toxic spoil heaps with substrate from the Tertiary rocks ... -
Classification of global environmental systems according to the level of anthropogenic transformation
Výsledek obhajoby: UZNÁNO(Univerzita Karlova, Přírodovědecká fakulta, 2024)Datum obhajoby: 26. 4. 2024The topic of the doctoral thesis is the development of a comprehensive classification of global environmental systems based on a geographical synthesis of abiotic, biotic and anthropogenic factors. The dramatic changes in ... -
Changes in rainfall-runoff regime and biogeochemistry in headwater areas
Výsledek obhajoby: UZNÁNO(Univerzita Karlova, Přírodovědecká fakulta, 2024)Datum obhajoby: 26. 4. 2024Headwater areas are a very important current or potential drinking water source. Their ecological value for the whole ecosystem is equally important. Headwater areas are sites with minimal anthropogenic intervention and ... -
Lower Cretaceous belemnites (including J/K boundary interval) in the NW Tethys, biostratigraphy, palaeobiogeography and palaeoecology
Výsledek obhajoby: UZNÁNO(Univerzita Karlova, Přírodovědecká fakulta, 2024)Datum obhajoby: 25. 4. 2024This thesis deals with the belemnite fauna from the Outer Western Carpathians Klippen, its systematic classification, stratigraphical and palaeogeographical evaluation. The palaeontological/palaeobiological approach, ... -
Molekulárně-genetická analýza karcinomů štítné žlázy u dětských a dospívajících pacientů
Výsledek obhajoby: UZNÁNO(Univerzita Karlova, Přírodovědecká fakulta, 2024)Datum obhajoby: 22. 4. 2024Thyroid nodules are rare in pediatric and adolescent patients, but they are at greater risk of malignancy than adult patients. Thyroid carcinomas are the most common endocrine malignancy and their incidence is increasing. ... -
Studying the dynamics of gene expression and the role of NAC complex in male gametophyte development
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Přírodovědecká fakulta, 2024)Datum obhajoby: 22. 3. 2024This Ph.D. thesis presents a comprehensive study of gene expression regulation within the male gametophyte development focusing on transcriptional, translational, and post- translational levels. The research introduces an ... -
Evolution of Host Specialisation, Phylogeography and Taxonomic Revision of Xenidae (Strepsiptera)
Výsledek obhajoby: UZNÁNO(Univerzita Karlova, Přírodovědecká fakulta, 2023)Datum obhajoby: 19. 12. 2023Twisted-winged parasites (Strepsiptera: Xenidae) are an excellent group for studying the specialisation of parasites on hosts. Their parasitic lifestyle led to the evolution of numerous morphological, behavioural, ... -
Hydrofilná interakčná kvapalinová chromatografia v analýze intaktných glykopeptidov
Výsledek obhajoby: UZNÁNO(Univerzita Karlova, Přírodovědecká fakulta, 2024)Datum obhajoby: 29. 4. 2024The analysis of glycoproteins represents a significant challenge in glycoproteomics, primarily due to the macro- and microheterogeneity of protein glycosylation. Hydrophilic interaction liquid chromatography (HILIC) is a ...
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