RNDr. Ivan Fiala, Ph.D.

Job Position: Head of Laboratory - Laboratory of Fish Protistology , Editor - Folia Parasitologica

Contact details

Phone: +420 38777 5424
E-mail: fiala@paru.cas.cz
Room: 109

Curriculum vitae

RNDr. Ivan Fiala, Ph.D. (*10. 2. 1977, Hodonín, Czech Republic)

ORCID ID: 0000-0003-1536-9778


Present position

Head of the Laboratory of Fish Protistology,  senior research scientist of the Institute of Parasitology, Biology Centre CAS, České Budějovice, Czech Republic.

Lecturer at the Faculty of Sciences, University of South Bohemia, České Budějovice, Czech Republic



1998 – BSc. at the Faculty of Biological Sciences, University of South Bohemia, České Budějovice, Czech Republic

2000 – MSc. at the Faculty of Biological Sciences, University of South Bohemia, České Budějovice, Czech Republic

2006 – Ph.D. at the Faculty of Biological Sciences, University of South Bohemia, České Budějovice, Czech Republic



Parasitology: Conducted thorough examination of fish for protozoan parasites and myxosporeans using light and electron microscopy.

Bioinformatics: Performed large number of phylogenetic reconstructions, molecular clock analysis, topology testing, etc. Successfully assembled and annotated genomes and transcriptomes of myxozoans and performed metabarcoding eDNA analysis.

Molecular parasitology: DNA/RNA extraction, PCR, cloning, sequencing, in-situ hybridisation, southern blotting.


Specialized workshop training

Workshop on Molecular Evolution, Marine Biological Laboratory, Woods Hole, ME, USA, 2008



Otto Wichterle award of the AS CR for young excellent scientists (2012)


Oral presentations at international conferences (last five years)

  • Fiala I., Lisnerová M., Žánová V., Koláčná K. Environmental DNA-based monitoring of aquatic parasites: a case study of Myxozoa and Microsporidia. 21th International conference on Diseases of Fish and Shellfish (EAFP), Aberdeen, UK, (2021).

  • Lisnerová M., Holzer A.S., Fiala I. Environmental DNA metabarcoding assay for detection of freshwater myxozoan communities. 20 th International conference on Diseases of Fish and Shellfish (EAFP), held virtually (2021).

  • Fiala I., Lisnerová M., Baiko D., Blabolil P., Lövy A., Holzer A.S. Hidden diversity of Paramyxidium (Myxozoa) species in European eel (Anguilla anguilla). 19th International conference on Diseases of Fish and Shellfish, Porto, Portugal (2019).


Research visits and field trips

• 2014 – J.L. Fryer Salmon Disease Laboratory, Oregon State University, Corvallis, USA.

• 2007 – Faculty of Veterinary Sciences, Bologna, Italy

• 2004 – Universidad Nacional de la Amazonia Peruana, Iquitos, Peru (field trip)

• 2004 – El Colegio de la Frontera Sur, Chetumal, Mexico (field trip)

• 2003 and 2004 – University of Stirling, UK

• 2002 – Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China


Professional responsibilities

- Head of the Laboratory of fish protistology (since 2022),

-Associate Editor for Protists & Molecular Phylogenetics, Folia Parasitologica (since 2012)

- Expert advisor for genetically modified organisms (GMO) at BC AS CR (since 2011)

- Principal organizer of local protozoological conference – 36th Jirovec Protozoological Days, 2006


Research support (as principal investigator)

• Complex characterisation of myxozoan mitochondria: Genome, proteome and ultrastructure approach (Czech Science Foundation, Standard Project), (2021-2023)

•  Large scale fish and water environment screening to assess the biodiversity of the Myxozoa: A metagenomic approach (Czech Science Foundation, Standard Project), (2016-2018); evaluated as excellent

•  Phylogenetic analysis of mitochondrial genome of Myxozoa and Polypodium hydriforme (Czech Science Foundation, Post-doctoral Project), (2009-2011); evaluated as excellent

•  Phylogenetic relationships within Myxosporea inferred from combined analysis of ribosomal and protein gene sequences: evolution of important fish parasites (Grant Agency of the Academy of Sciences, Czech Republic), (2007-2009); evaluated as excellent

•  The phylogeny of Myxozoa inferred from LSU rDNA data (Ministry of Education, Youth and Sports, Czech Republic), (2004)


Membership in professional organisations

Czech Society of Parasitology, Section of Protozoology, Czech Republic: Member (2000-present).

European Association of Fish Pathologists: Member (2004-present).

Tree of Life Web Project, Contributor (Fiala, Ivan. 2008. Myxozoa. Version 10 July 2000).



Lecturer of the course Biology of Parasitic Protists; Marine Parasitology and co-lecturer of practical course Field Parasitology and Current Trends in Parasitology at Uni. of South Bohemia, Faculty of Sciences;

Supervision of 11 undergraduate students and 4 PhD students, all of them successfully defended at Uni. of South Bohemia, Faculty of Sciences. Currently supervisor of four master students.



Ivan Fiala is the author and co-author of 69 scientific papers that have been cited 1863 times, his h-index is 23. He published an article on the phylogeny of Myxozoa in the International Journal for Parasitology in 2006, which has been cited more than 400 times.

Total found: 72 records
Baiko D., Lisnerová M., Bartošová-Sojková P., Holzer A., Blabolil P., Schabuss M., Fiala I. (2024) Solving the Myxidium rhodei (Myxozoa) puzzle: insights into its phylogeny and host specificity in Cypriniformes. Parasite 31 : 35.
DOI: 10.1051/parasite/2024030
Bartošová-Sojková P., Butenko A., Richtová J., Fiala I., Oborník M., Lukeš J. (2024) Inside the host: understanding the evolutionary trajectories of intracellular parasitism ANNUAL REVIEW OF MICROBIOLOGY 78 : 3.1–3.21.
DOI: 10.1146/annurev-micro-041222-025305
Brocca G., Truant A., Pecková H., Lisnerová M., Perolo A., Fioravanti M., Fiala I., Gabai G., Quaglio F., Gustinelli A. (2024) Identification of new amoebae strains in rainbow trout (Oncorhynchus mykiss, Walbaum) farms affected by nodular gill disease (NGD) in Northeastern Italy Journal of Fish Diseases 47 : e13933.
DOI: 10.1111/jfd.13933
Alama Bermejo G., Hernandez Orts J., García-Varela M., Oceguera-Figueroa A., Pecková H., Fiala I. (2023) Diversity of myxozoans (Cnidaria) infecting Neotropical fishes in southern Mexico Scientific Reports 13 : 12106.
DOI: 10.1038/s41598-023-38482-2
Lisnerová M., Holzer A., Blabolil P., Fiala I. (2023) Evaluation and optimization of an eDNA metabarcoding assay for detection of freshwater myxozoan communities Environmental DNA 5 : 312–325.
DOI: 10.1002/edn3.380
Kyslík J., Vancová M., Bartošová-Sojková P., Lövy A., Holzer A., Fiala I. (2022) Expressional profiling and cellular localization of myxozoan minicollagens demonstrate their involvement in polar capsule formation during sporogenesis International Journal for Parasitology 52 : 667-675.
DOI: 10.1016/j.ijpara.2022.07.002
Lisnerová M., Lisner A., Cantatore D., Schaeffner B., Pecková H., Tyml T., Fiala I., Bartošová-Sojková P., Holzer A. (2022) Correlated evolution of fish host length and parasite spore size: a tale from myxosporeans inhabiting elasmobranchs International Journal for Parasitology 52 : 97–110.
DOI: 10.1016/j.ijpara.2021.05.008
Novosolov M., Yahalomi D., Chang E.S., Fiala I., Cartwright P., Huchon D. (2022) The phylogenetic position of the enigmatic, polypodium hydriforme (Cnidaria, Polypodiozoa): insights from mitochondrial genomes Genome Biology and Evolution 14 : evac112.
DOI: 10.1093/gbe/evac112
Cavaleiro B., Serrao J., Nogueira S., Ribeiro L., Hermida M., Cruz C., Lisnerová M., Fiala I., Saraiva A. (2021) Survey of Kudoa spp. (Myxozoa, Cnidaria) in fishes from the Madeira Archipelago and the Portuguese mainland coast: detection of Kudoa thyrsites in new hosts Scomber colias and Micromesistius poutassou Folia Parasitologica 68 : 317.
DOI: 10.14411/fp.2021.003
Kyslík J., Kosakyan A., Nenarokov S., Holzer A., Fiala I. (2021) The myxozoan minicollagen gene repertoire was not simplified by the parasitic lifestyle: computational identification of a novel myxozoan minicollagen gene BMC Genomics 22 : 198.
DOI: 10.1186/s12864-021-07515-3
Eszterbauer E., Sipos D., Kaján G.L., Szegő D., Fiala I., Holzer A., Bartošová-Sojková P. (2020) Genetic diversity of serine protease inhibitors in myxozoan (Cnidaria, Myxozoa) fish parasites Microorganisms 8 : 1502.
DOI: 10.3390/microorganisms8101502
Lisnerová M., Blabolil P., Holzer A., Jurajda P., Fiala I. (2020) Myxozoan hidden diversity: the case of Myxobolus pseudodispar Gorbunova, 1936 Folia Parasitologica 67 : 019.
DOI: 10.14411/fp.2020.019
Lisnerová M., Fiala I., Cantatore D., Irigoitia M., Timi J., Pecková H., Bartošová-Sojková P., Sandoval C.M., Luer C., Morris J., Holzer A. (2020) Mechanisms and Drivers for the Establishment of Life Cycle Complexity in Myxozoan Parasites Biology 9 : 10.
DOI: 10.3390/biology9010010
Smýkal V., Pivarči M., Provazník J., Bazalová O., Jedlička P., Lukšan O., Horák A., Vaněčková H., Beneš V., Fiala I., Hanus R., Doležel D. (2020) Complex evolution of insect insulin receptors and homologous decoy receptors, and functional significance of their multiplicity. Molecular Biology and Evolution 37 : 1775-1789.
DOI: 10.1093/molbev/msaa048
Liu Y., Lövy A., Gu Z., Fiala I. (2019) Phylogeny of Myxobolidae (Myxozoa) and the evolution of myxospore appendages in the Myxobolus clade International Journal for Parasitology 49 : 523–530.
DOI: 10.1016/j.ijpara.2019.02.009
Vávra J., Fiala I., Krylová P., Petrusek A., Hyliš M. (2019) Establishment of a new microsporidian genus and species, Pseudoberwaldia daphniae (Microsporidia, Opisthosporidia), a common parasite of the Daphnia longispina complex in Europe Journal of Invertebrate Pathology 162 : 43–54.
DOI: 10.1016/j.jip.2019.02.004
Bartošová-Sojková P., Lövy A., Reed C., Lisnerová M., Tomková T., Holzer A., Fiala I. (2018) Life in a rock pool: Radiation and population genetics of myxozoan parasites in hosts inhabiting restricted spaces PLOS ONE 13 : e0194042.
DOI: 10.1371/journal.pone.0194042
Cantatore D.M.P., Irigoitia M., Holzer A., Bartošová-Sojková P., Pecková H., Fiala I., Timi J. (2018) The description of two new species of Chloromyxum Mingazzini, 1890 from skates in the Argentine Sea reveals that a limited geographic host distribution causes phylogenetic lineage separation of myxozoans in Chondrichthyes Parasite 25 : 47.
DOI: 10.1051/parasite/2018051
Holzer A., Bartošová-Sojková P., Born-Torrijos A., Lövy A., Hartigan A., Fiala I. (2018) The joint evolution of the Myxozoa and their alternate hosts: A cnidarian recipe for success and vast biodiversity. Molecular Ecology 27 : 1651–1666.
DOI: 10.1111/mec.14558
Patra S., Bartošová-Sojková P., Pecková H., Fiala I., Eszterbauer E., Holzer A. (2018) Biodiversity and host-parasite cophylogeny of Sphaerospora (sensu stricto) (Cnidaria: Myxozoa) Parasites & Vectors 11 : 347.
DOI: 10.1186/s13071-018-2863-z

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Biology Centre CAS
Institute of Parasitology
Branišovská 1160/31
370 05 České Budějovice

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