Projects

National

Diverzita spoločenstiev húb a rias asociovaných v lišajníkoch s centrom rozšírenia v Mediteráne na ekologickej a priestorovej úrovni
Diversity of fungal and algal communities associated to Mediterranean centered lichens at ecological and spacial levels
Program: VEGA
Zodpovedný riešiteľ: Mgr. Bérešová Anna, PhD.
Annotation: Biodiversity plays important roles in the capacity of biological and ecological systems to respond to global environmental changes. Projections of climate change demonstrate increased climatic variation of the regions and biomes with long-term stabile climate in the past, such as Mediterranean ecosystems, which thus represent suitable study systems. Recent phylogenetic and ecological studies show that Solenopsora lichen species can be used as models to explore diversity and ecological adaptation of symbiotic organisms in the Mediterranean region. In this project we aim to to test the hypothesis that the diversity of fungal and algal communities associated to Solenopsora lichen thalli correlate with the evolutionary history, geographical range and the ecology of two selected species – S. candicans with broader range exceeding Mediterranean region; and S. grisea, restricted to the Mediterranean region.
Duration: 1.1.2021 – 31.12.2024
Diverzita spoločenstiev húb a rias asociovaných v lišajníkoch s centrom rozšírenia v Mediteráne na ekologickej a priestorovej úrovni
Diversity of fungal and algal communities associated to Mediterranean centered lichens at ecological and spacial levels
Program: VEGA
Zodpovedný riešiteľ: Mgr. Bérešová Anna, PhD.
Annotation: Biodiversity plays important roles in the capacity of biological and ecological systems to respond to global environmental changes. Projections of climate change demonstrate increased climatic variation of the regions and biomes with long-term stabile climate in the past, such as Mediterranean ecosystems. To understand the impact of climatic changes on biodiversity we need to know it on all the levels. Recent phylogenetic and ecological studies show that Solenopsora lichen species can be used as models to explore diversity and ecological adaptation of symbiotic organisms in the Mediterranean region. In this project we aim to to test the hypothesis that the diversity of fungal and algal communities associated to Solenopsora lichen thalli correlate with the evolutionary history, geographical range and the ecology of two selected species – S. candicans with broader range exceeding Mediterranean region; and S. grisea, restricted to the Mediterranean region.
Duration: 1.1.2021 – 31.12.2024
POLYPLOID – Pôvod polyploidných komplexov: úloha polyploidizácie a geografickej a ekologickej izolácie
The origin of polyploid complexes: the role of polyploidization, geographical and ecological isolation
Program: APVV
Zodpovedný riešiteľ: prof. RNDr. Marhold Karol, DrSc.
Annotation: The main topics of the proposed project are microevolutionary and speciation processes in diploid-polyploid complexes belonging to the Brassicaceae family. Speciation both at the diploid and polyploid levels will be examined, elucidating the role of genome merge and duplication, geographical and ecological separation. The questions addressed have broader relevance, beyond the studied genera, and the answers can help us better understand processes underlying polyploid speciation as such. The methods applied in this project will include both conventional molecular systematics markers, as well as methods based on the Next Generation Sequencing (NGS), namely restriction site associated DNA sequencing (RAD-seq) and combination of target enrichment of low-copy nuclear genes and genome skimming (Hyb-seq). Using the multi-marker approach we expect to gain deeper insights into the studied species complexes and increased robustness of the results. As a complement, flow-cytometric, morphometric, and ecological and climatic niche analyses will be employed. In order to achieve these goals we have chosen four genera from three different tribes of the Brassicaceae family (Alysseae [Alyssum, Odontarrhena], Camelineae [Arabidopsis], Cardamineae [Cardamine]), representing different evolutionary lineages in this family. We will take the advantage of the wealth of methods that are available for and already tested in the closely related genus Arabidopsis, our previous long-term experience with the proposed study genera, and also previously collected plant material.
Duration: 1.8.2018 – 31.7.2022