people

High school:

• 2002 - 2006: Gymnázium Soběslav

Higher education: 

Bachelor: 

• 2007 - 2010: Faculty of Science, University of South Bohemia

Bachelor thesis: Euglenophytes of the Czech Republic in view of South Bohemia and the Bohemian Forest

Supervisor: Jan Kaštovský

Master: 

• 2010 - 2013: Faculty of Science, University of South Bohemia

Master thesis: Pilot study on the issue of Euglenophyta in the Czech Republic 

Supervisor: Jan Kaštovský

Doctoral: 

• 2013 - 2019: Faculty of Science, University of South Bohemia

Ph.D. thesis: Floristic-taxonomic study of the Euglenophytes. Implications for their ecology, distribution and practical protection

Supervisor: Jan Kaštovský

Employment:

• Department of Botany, Faculty of Science, University of South Bohemia

  • 2014 - now: Independent Researcher - Academic

  • 2023 - now: grant "Consolidating cyanobacterial systematics through harmonization of polyphasic and genomic taxonomy", postdoc

• Institute of Botany CAS, Třeboň

  • 2015 - now: Culture Collection of Autotrophic Organisms (CCALA), curator

• 2012 - 2014: Department of Botany, Faculty of Science University of South Bohemia, grant "Cyanobacterial biodiversity of tropical and subtropical biomes", technician

• 2013 - 2014: Institute of Soil Biology, Biology Centre CAS, České Budějovice, grant "Telomeres and genome stability in lower plants", technician

• 2013 - 2014: Institute of Botany CAS, Centre for Phycology, Třeboň, technician

• 2015 - 2017: Department of Botany, Faculty of Science University of South Bohemia, grant "Phylogenetic establishment of cyanobacterial genera through multilocus of the generitypes", technician (izolation and cultivation, culture collection)

International collaborations: 

• since 2020: the organizing committee of the international Determination Course of Euglenoids. 

• 2014:  work internship within the program Erasmus: Zakład Fykologii, Instytut Botaniki PAN im. W. Szafera, Krakov.

• Collaboration with prof. dr. hab. Konrad Wołowski, collaboration at projects 

• Collaboration with dr. Małgorzata Poniewozik (Wydział Biotechnologii i Nauk o Środowisku, Katolicki Uniwersytet Lubelski Jana Pawła II, Lublin)

Conferences: 

International conferences: 

• 22nd Symposium of the International Association of  Cyanophyte/Cyanobacteria Research, 14th - 18th August 2022, České Budějovice: Johansen, J.R., Shetzer, M.K., Wilmotte, A., Friedl, T. & Juráň, J., Classification of Stenomitos (Leptolyngbyaceae): recognizing cryptic diversity with the description of seven new species (lecture)

• 39th International Conference of the Polish Phycological Society, 27th - 30th September 2021, Gdynia - Łeba, Poland: Juráň, J., Hrubý, F., Kubín, J. & Kaštovský, J., Oligo-mesotrophic ponds: biodiversity hotspot for cyanobacteria and algae? A case study from Czech Republic (lecture). 

• V All-Russian Scientific Conference with international participation, 20th - 25th September 2021, Nizhny Novgorod, Russia: Juráň, J., Modern views on the diversity and taxonomy of Euglenoids. Current state and challenges for the future in the field of diversity, ecology and biogeography of photosynthetic euglenoids (on-line invited lecture).

• 38th International Conference of the Polish Phycological Society, 4th - 7th June 2019, Kielce - Sandomirz, Poland: Juráň, J., Rare? Endemic? Or just little-known? What do we know about Euglenophytes biogeography? Current state and future perspectives (lecture)  

• 37th International Conference of the Polish Phycological Society, 22nd - 25th May 2018, Kraków-Dobczyce-Jałowcowa Góra, Polsko: Juráň, J. & Kaštovský, J.  Do we need a Red List of microalgae? A way to compile the Red List of microscopic algae of the Czech Republic: the Euglenophyta model (lecture)

• 36th Annual Meeting of the European Culture Collections' Organisation (ECCO 2017), 13th - 15. Spetember, Czech Republic: Juráň J., Culture Collection of Autotrophic Organisms (CCALA) - past, present and future (poster, with affiliation to Institute of Botany CAS)

• 36th  International Conference of the Polish Phycological Society, 24th - 27th May 2017, Lublin - Kazimierz Dolny, Poland: Juráň, J., What do you we know about Euglenophytes biogeography and how to find more? (poster)

• 46th Jirovec's Protozoological Days of Czech Society for Parasitology (ČPS), 2nd - 6th May 2016, Czech Republic: Juráň, J. & Kaštovský J., Do We Need to Protect Microalgae and Protists at All? (poster)

• 34thh International Conference of the Polish Phycological Society, 18th - 21st May 2015, Rzeszów–Polańczyk, Poland: Juráň J., Do we need a redlist of algae? A way to compile of the red list of algae and cyanobacteria of the Czech republic - Euglenophyta model (poster)

• 34th International Conference of the Polish Phycological Society, 18th - 21st May 2015, Rzeszów–Polańczyk, Poland: Juráň J., Culture Collection of Autotrophic Organisms (CCALA) - past, present and future (poster, with affiliation to Institute of Botany CAS)

 Local conferences:

• 63rd work conference of Czech Phycological Society, 19th - 21st September 2022, Ostrava: Juráň, J., Hrubý, F., Kubín, J. & Kaštovský, J., Oligo-mesotrophic ponds: biodiversity hotspot and refugia for cyanobacteria and algae? A case study from Czech Republic (lecture)

• 57th work conference of Czech Phycological Society, 19th - 21st September 2016, Prague: Juráň, J. & Kaštovský, J., Do We Need to Protect algae and how to do it? (lecture)

• 56th work conference of Czech Phycological Society, 21st - 24th September 2015, České Budějovice: Juráň, J., Do we need to protect algae? (poster)

• 54th work conference of Czech Phycological Society, 16.- 18. září 2013, Třeboň: Juráň, J., How many euglenoids are there? More than five years of searching for the right numbers (lecture)

Publications: 

Articles: 

• Kubín J., Juráň, J. (2025). First contours of autecology of freshwater heterotrophic euglenoids – results of two-year research on 18 freshwater bodies. European Journal of Protistology, 126149, https://doi.org/10.1016/j.ejop.2025.126149 

• Kubín, J., Juráň, J. (2024). Ecology of free-living freshwater heterotrophic euglenoids: A summarizing review. European Journal of Protistology, 126127. 

• Kubín, J., Juráň, J., & Kučera, J. (2024). Checklist of colourless euglenoids of the Czech Republic, with several taxonomic additions. Protist, 126045. https://doi.org/10.1016/j.protis.2024.126045

• Kotyzová, L., Špaček, J., Juráň, J. & Bohunická, M. (2023). Diverzita fytobentosu ve vybraných tocích na území Krkonošského národního parku. Opera Corcontica 60: 63–80.

• Saha, S., Esposito, G. Urajová, P. Mareš, J., Ewe, D., Caso, A., Macho, M., Delawská, K., Kust, A., Hrouzek, P., Juráň, J., Costantino, V., & Saurav, K. Discovery of Unusual Cyanobacterial Tryptophan-Containing Anabaenopeptins by MS/MS-Based Molecular Networking. Molecules 2020, 25, 3786.

• Juráň, J. & Kaštovský, J. (2019): The procedure of compiling the Red List of microscopic algae of the Czech Republic. Biodiversity and Conservation. 28(10): 2499-2529. DOI: https://doi.org/10.1007/s10531-019-01792-x

• Poniewozik, M. & Juráň, J. (2018): Extremely high diversity of euglenophytes in a small pond in eastern Poland. Plant Ecology and Evolution 151 (1): 18–34. DOI: https://doi.org/10.5091/plecevo.2018.1308

• Juráň, J. & Couté, A. (2018): African Trachelomonas saccasii found in a European mesotrophic pond (Czech Republic). Implication for euglenoid biogeography and recommendations for euglenoid flagship species. Phytotaxa 334(3): 201-214. DOI: http://dx.doi.org/10.11646/phytotaxa.334.3.1

• Juráň, J. (2017): The checklist of photosynthetic euglenoids (order Euglenales) of the Czech Republic: ecology, taxonomy, distribution. Phytotaxa 317(1): 1 - 16. DOI: http://dx.doi.org/10.11646/phytotaxa.317.1.1

• Wołowski, K. Poniewozik, M., Juráň, J. (2016): Morphological variability of loricae in Trachelomonas caudata complex (Euglenophyta). Cryptogamie Algologie 37(2): 97 - 108. DOI: https://doi.org/10.7872/crya/v37.iss2.2016.97

• Juráň, J. (2016): Trachelomonas bituricensis var. lotharingia M.L. Poucques 1952, a morphologically interesting, rare euglenoid new to the algal flora of the Czech Republic. Phytokeys 61: 81-91. DOI: https://doi.org/10.3897/phytokeys.61.7408

• Juráň, J., Hauer, T., Johansen, J.R. & Krienitz, L. (2015): Proposal to conserve the name Cyanospira G. Florenz. & al. (Cyanophyceae) against Cyanospira Chodat (Euglenophyceae). Taxon 64(4): 845-846.

Popularization articles:

• Juráň, J., Kubín, J., Kaštovský, J. (2022): Oligo-mezotrofní rybníky: centra biodiverzity a refugia pro sinice a řasy? [Oligo-mesotrophic Ponds: the Centres of Biodiversity and Refugia for Cyanobacteria and Algae?] Živa 5/2022: 239 - 242

• Juráň, J., Kaštovský, J. (2016): Nový pohled na systém řas a jak ho učit? Živa 6/2016: 299 - 301

• Kaštovský, J., Juráň, J. (2016): Evoluce sinic a řas v moderním pojetí. Živa 6/2016: CXXXIII - CXXXVI

• Juráň, J. (2015): Proč mít sbírku řas? Botanika 2015(2): 18 - 19.

• Juráň, J. (2015): Jak lépe poznat svět sinic a řas. Botanika 2015(2): 20 - 21.

Books:

• Kaštovský, J., Hauer, T., Geriš, R., Chattová, B., Juráň, J., Lepšová-Skácelová, O., Pitelková, P., Pusztai, M., Škaloud, P., Šťastný, J., Čapková, K., Bohunická, M. & Mühlsteinová, R. (2018): Atlas sinic a řas ČR 1. powerprint, Praha, 384 s.

• Kaštovský, J., Hauer, T., Geriš, R., Chattová, B., Juráň, J., Lepšová-Skácelová, O., Pitelková, P., Pusztai, M., Škaloud, P., Šťastný, J., Čapková, K., Bohunická, M. & Mühlsteinová, R. (2018): Atlas sinic a řas ČR 2. powerprint, Praha, 480 s.