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Mrs. Katarína Čekovská
Department of Ecology, Faculty of Science, Charles University

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Research Keywords & Expertise

0 Biodiversity
0 Evolution
0 Genomics
0 Marine Biology
0 phylogeography

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Short Biography

I am young scientist with the passion for marine biology and conservation. I am currently enrolled in Ph.D. studies at Charles University in Prague. My thesis deals with the Phylogeography of marine gobies from the north-eastern Atlantic and the Mediterranean Sea. Since I started university my research is focused on marine gobiid fish so I am improving my knowledge in many aspects. During my studies I participated two times in exchange programmes. First time, it was abroad study in Glasgow (Scotland) where I attented courses in Biology and Biomedical Sciences. Second time, it was traineeship at University of Catania (Sicily) where I collaborated in the research of molecular relationships between gobies. I participated four times in field trips for collection of material of marine gobies by scuba-diving. Besides that I had a part time job in National museum in Prague as a research assistant. I also attended several conferences national and international.

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Journal article
Published: 13 October 2020 in Journal of Marine Science and Engineering
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Gobies (Gobiiformes: Gobiidae) are the most species-rich family of fishes in general, and the most abundant fish group in the European seas. Nonetheless, our knowledge on many aspects of their biology, including the population genetic diversity, is poor. Although barriers to gene flow are less apparent in the marine environment, the ocean is not a continuous habitat, as has been shown by studies on population genetics of various marine biota. For the first time, European marine goby species which cannot be collected by common fishery techniques were studied. The population genetic structure of two epibenthic species, Gobius geniporus and Gobius cruentatus, from seven localities across their distribution ranges was assessed, using one mitochondrial (cytochrome b) and one nuclear gene (first intron of ribosomal protein gene S7). Our results showed that there is a great diversity of haplotypes of mitochondrial gene cytochrome b in both species at all localities. Global fixation indices (FST) indicated a great differentiation of populations in both studied gobies. Our results did not show a geographic subdivision to individual populations. Instead, the data correspond with the model of migration which allow divergence and recurrent migration from the ancestral population. The estimated migration routes coincide with the main currents in the studied area. This matches well the biology of the studied species, with adults exhibiting only short-distance movements and planktonic larval stages.

ACS Style

Katarína Čekovská; Radek Šanda; Kristýna Eliášová; Marcelo Kovačić; Stamatis Zogaris; Anna Maria Pappalardo; Tereza Soukupová; Jasna Vukić. Population Genetic Diversity of Two Marine Gobies (Gobiiformes: Gobiidae) from the North-Eastern Atlantic and the Mediterranean Sea. Journal of Marine Science and Engineering 2020, 8, 792 .

AMA Style

Katarína Čekovská, Radek Šanda, Kristýna Eliášová, Marcelo Kovačić, Stamatis Zogaris, Anna Maria Pappalardo, Tereza Soukupová, Jasna Vukić. Population Genetic Diversity of Two Marine Gobies (Gobiiformes: Gobiidae) from the North-Eastern Atlantic and the Mediterranean Sea. Journal of Marine Science and Engineering. 2020; 8 (10):792.

Chicago/Turabian Style

Katarína Čekovská; Radek Šanda; Kristýna Eliášová; Marcelo Kovačić; Stamatis Zogaris; Anna Maria Pappalardo; Tereza Soukupová; Jasna Vukić. 2020. "Population Genetic Diversity of Two Marine Gobies (Gobiiformes: Gobiidae) from the North-Eastern Atlantic and the Mediterranean Sea." Journal of Marine Science and Engineering 8, no. 10: 792.