Přírodovědecká fakulta: Recent submissions
Now showing items 1-20 of 30995
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Potravní vztahy a strategie ve hmyzích společenstvech na mršinách.
Defence status: RECOGNIZED(Univerzita Karlova, Přírodovědecká fakulta, 2025)Date of defense: 17. 4. 2025Mršiny jakožto jeden z efemérních habitatů představují energeticky bohatý, avšak časově omezený zdroj potravy. Díky tomu jsou jednotlivé nekrobiotní druhy hmyzu pod silným konkurenčním tlakem. Pomocí cíleně manipulované ... -
Virus-host cell interactions: Examples of gammaretroviral transcription control and somatic hypermutation targeting of SV40 enhancer
Defence status: RECOGNIZED(Univerzita Karlova, Přírodovědecká fakulta, 2025)Date of defense: 15. 4. 2025Koexistence virů a jejich hostitelský buněk dala vzniknout spletité síti interakcí. Pouze s dobrým porozuměním můžeme tyto interakce elegantně a účinně využít ve výzkumu a k terapeutickým účelům. Během svého životního cyklu ... -
Mechanisms of the tolerance and homeostasis of immune cells
Defence status: DEFENDED(Univerzita Karlova, Přírodovědecká fakulta, 2022)Date of defense: 29. 4. 2022(Czech Version) Schopnost imunitního systému tolerovat vlastní antigeny a současně vytvářet vhodné reakce na patogeny je nezbytná pro přežití organismu. Navzdory dlouhodobému výzkumu mnoho detailů mechanismů autotolerance ... -
New genes with functional priority for degradation of aromatic hydrocarbons in highly contaminated environment
Defence status: DEFENDED(Univerzita Karlova, Přírodovědecká fakulta, 2025)Date of defense: 8. 4. 2025(in czech) Tato práce zkoumá potenciál mikrobiální bioremediace jako udržitelného řešení eliminace znečištění polycyklickými aromatickými uhlovodíky (PAH). Tradiční sanační metody jsou často nákladné a neefektivní, což ... -
Biodiverzita ptáků a její ochrana v rozptýlené zeleni Střední Evropy - význam biotopu, krajinné mozaiky a managementu
Defence status: RECOGNIZED(Univerzita Karlova, Přírodovědecká fakulta, 2025)Date of defense: 1. 4. 2025Non-forest woody vegetation is an integral part of the Central European landscape. It includes all possible forms of woody vegetation growing outside of forests, agricultural production, and human settlements; it thus ... -
Structural regulation of translation initiation factor eIF3E in plant gametophytes
Defence status: DEFENDED(Univerzita Karlova, Přírodovědecká fakulta, 2025)Date of defense: 4. 4. 2025THESIS SYNOPSIS This thesis focuses on the characterization of RNA binding proteins (RBPs) that are intricate in the selection and translation of mRNA harbouring cis regulatory elements to guide the male and female ... -
Spatiotemporal dynamics of species richness and plant-pollinator interactions on Mount Cameroon
Defence status: DEFENDED(Univerzita Karlova, Přírodovědecká fakulta, 2025)Date of defense: 31. 3. 2025Floral traits play a crucial role in mediating plant-pollinator interactions, shaping the evolution of flowering plants and the structure of pollination networks. Extensive amounts of video footage and Lepidoptera samples ... -
Population genetics and speciation processes of European hedgehogs
Defence status: DEFENDED(Univerzita Karlova, Přírodovědecká fakulta, 2025)Date of defense: 31. 3. 2025Hedgehogs of the genus Erinaceus are key models for studying population genetics, phylogeography, and speciation in the Western Palearctic. This thesis integrates genome-wide data to reconstruct phylogenetic relationships ... -
Hormonal and developmental regulation of sex-specific traits in squamate reptiles
Defence status: DEFENDED(Univerzita Karlova, Přírodovědecká fakulta, 2025)Date of defense: 28. 3. 2025The persistent puzzles of sexual dimorphism in reptiles - especially regarding sex-specific differences in body size, and male-typical traits such as behaviour and colouration - continue to intrigue researchers. This ... -
Úloha ARE5 ABCF proteinů v antibiotické rezistenci a regulaci u rodu Streptomyces
Defence status: DEFENDED(Univerzita Karlova, Přírodovědecká fakulta, 2025)Date of defense: 28. 3. 2025Microorganisms need to quickly adapt to environmental changes, which leads to optimization of their gene expression and its manifestation in various phenotypic traits. The dynamics and complexity of this plasticity are not ... -
Studium genetického pozadí solidních tumorů
Defence status: DEFENDED(Univerzita Karlova, Přírodovědecká fakulta, 2025)Date of defense: 28. 3. 2025Abstract The dissertation discusses different methodological approaches for detection of various genetic alterations in three types of solid tumors: thyroid, colorectal and pancreatic. Modern oncological research is based ... -
Bioinformatic evaluation of mass spectrometric data obtained by analysis of proteins modified by reactive oxygen species
Defence status: DEFENDED(Univerzita Karlova, Přírodovědecká fakulta, 2025)Date of defense: 28. 3. 2025The field of structural mass spectrometry (MS) is a rapidly developing area comprising of many versatile techniques for the characterisation of biomolecules under native or near-native conditions. Among them, reactive ... -
O původu organických aerosolů v ČR
Defence status: DEFENDED(Univerzita Karlova, Přírodovědecká fakulta, 2025)Date of defense: 28. 3. 2025The chemical composition of atmospheric aerosols (AA) has been shown to exert a significant influence on human health and atmospheric phenomena over the course of several decades. Consequently, there is a growing emphasis ... -
The occurrence of sunning clusters as a part of thermoregulation in red wood ants Formica polyctena
Defence status: DEFENDED(Univerzita Karlova, Přírodovědecká fakulta, 2025)Date of defense: 27. 3. 2025The occurrence of sunning clusters in red wood ants is a remarkable phenomenon and it is a ubiquitous behavior observed in all nests we studied. This specific behavior is supposed to play an important role in the nest ... -
Studium struktury a interakcí proteinů pomocí hmotnostní spektrometrie - vývoj metod a jejich aplikace.
Defence status: DEFENDED(Univerzita Karlova, Přírodovědecká fakulta, 2025)Date of defense: 28. 3. 2025Despite significant advancements in structural biology methods, studying the structure, dynamics and interaction mechanisms of protein and nucleic acid complexes remains a challenging process. This is illustrated by the ... -
Preparation and characterization of functionalized surfaces for desorption-ionization mass spectrometry
Defence status: DEFENDED(Univerzita Karlova, Přírodovědecká fakulta, 2025)Date of defense: 28. 3. 2025Structural proteomics combined with mass spectrometry, is a rapidly evolving scientific discipline that focuses on the characterization of the three-dimensional structures of proteins, as well as their dynamics. However, ... -
The Vanishing Agent: Analysis of Causality in Biology
Defence status: DEFENDED(Univerzita Karlova, Přírodovědecká fakulta, 2025)Date of defense: 27. 3. 2025The Vanishing Agent: Analysis of Causality in Biology Summary I am trying to show how the autonomy of both biology, and the concept of organisms it uses, depend on the notion of causality. The physicalist takeover of biology ... -
Biodiversity and speciation in moss-inhabiting flea beetles (Coleoptera: Chrysomelidae: Alticini)
Defence status: DEFENDED(Univerzita Karlova, Přírodovědecká fakulta, 2025)Date of defense: 27. 3. 2025Abstract. Flightless insects are both a striking evolutionary model, and a source of unknown species diversity challenging to taxonomists. This thesis explores the evolution, biodiversity, and biogeography of moss-inhabiting ... -
Early evolution of land plants in the Silurian with special respect to the Prague Basin (Barrandian area, Czech Republic)
Defence status: DEFENDED(Univerzita Karlova, Přírodovědecká fakulta, 2025)Date of defense: 26. 3. 2025This dissertation focuses on the study of fossil evidence of terrestrial plants from the Silurian period, found in the sediments of the Prague Basin - a site of global significance for documenting the evolution of early ... -
Genomická architektura a molekulární mechanismy hybridní sterility myši.
Defence status: DEFENDED(Univerzita Karlova, Přírodovědecká fakulta, 2021)Date of defense: 11. 2. 2021Hybrid sterility is one of the reproductive isolation mechanisms restricting gene flow between the related species and leading to speciation. PR domain containing 9 (Prdm9), the only known vertebrate hybrid sterility gene, ...