Gema Alama-Bermejo, Ph.D.

Job Position: Postdoc - Laboratory of Fish Protistology

Contact details

Phone: +420 387775408
Room: 139


Myxozoan and other fish parasites: morphological characterization, life cycle, pathology, ecology, molecular characterization and phylogeny, and all new methods of investigation.

Curriculum vitae
  • Post-doctoral contract (2012) at the Lab of Fish Protistology, Institute of Parasitology of Academic Science of the Czech Republic.
  • Research project at Parasitology Research Lab Institute of Aquaculture, University of Stirling, Scotland, UK (2009) Conselleria d’Educació i Cičncia, Spain.
  • PhD entitled: “Parasitological study of cultured and wild sparids in the Mediterranean” (2007-2011). Supervisors: Astrid S. Holzer and Juan Antonio Raga. University of Valencia, Spain.
  • Master of Aquaculture (2006-2007) University of Valencia, Polytechnic University of Valencia & Aquaculture Institute of Torre la Sal, CSIC, Spain.
  • Biology Degree (2000-2006) at University of Valencia, Spain.


  • Alama-Bermejo, G., Bron J.E., Raga, J. A. and Holzer, A. S. (2012) 3D morphology, ultrastructure and development of Ceratomyxa puntazzi stages: first insights into the mechanisms of motility and budding in the Myxozoa. PLoS ONE 7(2): e32679. doi:10.1371/journal.pone.0032679
  • Alama-Bermejo, G., Raga, J. A. and Holzer, A. S. (2011) Host-parasite relationship of Ceratomyxa puntazzi n. sp. (Myxozoa: Myxosporea) and sharpsnout seabream Diplodus puntazzo (Walbaum, 1792) from the Mediterranean with first data on ceratomyxid host specificity in sparids. Veterinary Parasitology 182, 181-192
  • Alama-Bermejo, G., Montero, F.E., Raga, J. A. and Holzer, A. S. (2011) Skoulekia meningialis n. gen., n. sp. (Digenea: Aporocotylidae Odhner, 1912) a parasite surrounding the brain of the Mediterranean common two-banded seabream Diplodus vulgaris (Geoffroy Saint-Hilaire, 1817) (Teleostei: Sparidae): Description, molecular phylogeny, habitat and pathology. Parasitology International 60, 34–44.
  • Alama-Bermejo, G., Cuadrado, M., Raga, J. A. and Holzer, A. S. (2009) Morphological and molecular redescription of the myxozoan Unicapsula pflugfelderi from two teleost hosts in the Mediterranean. A review of the genus Unicapsula Davis 1924. Journal of Fish Diseases 32: 335–350.

Total found: 23 records
Alama Bermejo G., Bartošová-Sojková P., Atkinson S.D., Holzer A., Bartholomew J. (2022) Proteases as Therapeutic Targets Against the Parasitic Cnidarian Ceratonova shasta: Characterization of Molecules Key to Parasite Virulence In Salmonid Hosts Frontiers in Cellular and Infection Microbiology 11 : 804864.
DOI: 10.3389/fcimb.2021.804864
Alama Bermejo G., Hernandez Orts J., Huchon D., Atkinson S.D. (2021) Two novel myxosporean parasite species of Ceratomyxa Thélohan, 1892 from the banded cusk-eel Raneya brasiliensis (Kaup) (Ophidiiformes: Ophidiidae) off Patagonia, Argentina Parasitology International 85 : 102433.
DOI: 10.1016/j.parint.2021.102433
Alama Bermejo G., Holzer A. (2021) Advances and discoveries in myxozoan genomics Trends in Parasitology 37 : 6.
DOI: 10.1016/
Americus B., Hams N., Klompen A.M.L., Alama Bermejo G., Lotan T. , Bartholomew J., Atkinson S.D. (2021) The cnidarian parasite Ceratonova shasta utilizes inherited and recruited venom-like compounds during infection PeerJ 9 : e12606.
DOI: 10.7717/peerj.12606
Bartošová-Sojková P., Kyslík J., Alama Bermejo G., Hartigan A., Atkinson S.D., Bartholomew J., Palenzuela O., Picard-Sánchez M., Faber M.N., Holland J.W., Holzer A. (2021) Evolutionary Analysis of Cystatins of Early-Emerging Metazoans Reveals a Novel Subtype in Parasitic Cnidarians Biology 10 : 110.
DOI: 10.3390/biology10020110
Brekhman V., Ofek-Lalzar M., Atkinson S.D., Alama Bermejo G., Maor-Landaw K., Malik A., Bartholomew J., Lotan T. (2021) Proteomic analysis of the parasitic cnidarian Ceratonova shasta (cnidaria: myxozoa) reveals diverse roles of actin in motility and spore formation Frontiers in Marine Science 8 : 632700.
DOI: 10.3389/fmars.2021.632700
Taggart-Murphy L., Alama Bermejo G., Dolan B., Takizawa F., Bartholomew J. (2021) Differences in inflammatory responses of rainbow trout infected by two genotypes of the myxozoan parasite Ceratonova shasta. Developmental and Comparative Immunology 114 : 103829.
DOI: 10.1016/j.dci.2020.103829
Alama Bermejo G., Myer E., Atkinson S.D., Holzer A., Wisniewska M., Kolísko M., Bartholomew J. (2020) Transcriptome-wide comparisons and virulence gene polymorphisms of host-associated genotypes of the cnidarian parasite Ceratonova shasta in salmonids. Genome Biology and Evolution 12 : 1258–1276.
DOI: 10.1093/gbe/evaa109
Mathews P.D., Mertins O., Espinoza L.L., Milanin T., Alama Bermejo G., Audebert F., Morandini A.C. (2020) Taxonomy and 18S rDNA-based phylogeny of Henneguya multiradiatus n. sp. (Cnidaria: Myxobolidae) a parasite of Brochis multiradiatus from Peruvian Amazon Microbial Pathogenesis 147 : 104372.
DOI: 10.1016/j.micpath.2020.104372
Taggart-Murphy L., Alama Bermejo G., Dolan B., Takizawa F., Bartholomew J. (2020) Differences in inflammatory responses of rainbow trout infected by two genotypes of the myxozoan parasite Ceratonova shasta Developmental and Comparative Immunology 114 : 103829.
DOI: 10.1016/j.dci.2020.103829
Alama Bermejo G., Holzer A., Bartholomew J. (2019) Myxozoan Adhesion and Virulence: Ceratonova shasta on the Move Microorganisms 7 : 397.
DOI: 10.3390/microorganisms7100397
Alama Bermejo G., Viozzi G.P., Waicheim M.A., Flores V.R., Atkinson S.D. (2019) Host-parasite relationship of Ortholinea lauquen sp. nov. (Cnidaria: Myxozoa) and the fish Galaxias maculatus in northwestern Patagonia, Argentina. Diseases of Aquatic Organisms 136 : 163–174.
DOI: 10.3354/dao03400
Kosakyan A., Alama Bermejo G., Bartošová-Sojková P., Born-Torrijos A., Šíma R., Nenarokova A., Eszterbauer E., Bartholomew J., Holzer A. (2019) Selection of suitable reference genes for gene expression studies in myxosporean (Myxozoa, Cnidaria) parasites. Scientific Reports 9 : 15073.
DOI: 10.1038/s41598-019-51479-0

Documents to download:
Kosakyan_2019_ScientReport (pdf)
Alama Bermejo G., Hernández-Orts J. (2018) Ortholinea concentrica n. sp. (Cnidaria: Myxozoa) from the Patagonian seabass Acanthistius patachonicus (Jenyns, 1840) (Perciformes: Serranidae) off Patagonia, Argentina. Parasitology Research 117 : 3953–3963.
DOI: 10.1007/s00436-018-6105-2
Hernandez Orts J., Hernández-Mena D.I., Alama Bermejo G., Kuchta R., Jacobson K.C. (2017) Morphological and molecular characterisation of Aporocotyle margolisi Smith, 1967 (Digenea: Aporocotylidae) from the North Pacific hake Merluccius productus (Ayres) (Gadiformes: Merlucciidae) off Oregon, USA Systematic Parasitology 94 : 819-829.
DOI: 10.1007/s11230-017-9740-6
Alama Bermejo G., Jirků M., Kodádková A., Pecková H., Fiala I., Holzer A. (2016) Species complexes and phylogenetic lineages of Hoferellus (Myxozoa, Cnidaria) including revision of the genus: A problematic case for taxonomy Parasites & Vectors 9 : 13.
DOI: 10.1186/s13071-015-1265-8
Feist S., Morris D., Alama Bermejo G., Holzer A. (2015) Cellular processes in myxozoans Myxozoan Evolution, Ecology and Development, B. Okamura et al. (Eds.) 139-154.
Hernandez Orts J., Alama Bermejo G., Crespo E., Raga J., Montero F. (2014) A revision of the genus Neogrubea Dillon & Hargis, 1968 (Monogenea: Mazocraeidae): new morphological and molecular data from off the Patagonian coast of Argentina Sytematic Parasitology 89 : 59-72.
DOI: 10.1007/s11230-014-9511-6
Alama Bermejo G., Šíma R., Raga J., Holzer A. (2013) Understanding myxozoan infection dynamics in the sea: Seasonality and transmission of Ceratomyxa puntazzi International Journal for Parasitology 43 : 771-780.
DOI: 10.1016/j.ijpara.2013.05.003
Alama Bermejo G., Bron J., Raga J., Holzer A. (2012) 3D morphology, ultrastructure and development of¨Ceratomyxa puntazzi stages: first insights into the mechanisms of motility and budding in the Myxozoa. PLoS ONE 7 : e32679.
DOI: 10.1371/journal.pone.0032679

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

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