Iva Dykova

Summary

Affiliation: Institute of Parasitology
Country: Czech Republic

Publications

  1. ncbi request reprint Vexillifera expectata sp. n. and other non-encysting amoebae isolated from organs of freshwater fish
    I Dykova
    Institute of Parasitology, Academy of Sciences of the Czech Republic, Ceske Budejovice, Czech Republic
    Folia Parasitol (Praha) 45:17-26. 1998
  2. ncbi request reprint Xenoma-like formations induced by Soricimyxum fegati (Myxosporea) in three species of shrews (Soricomorpha: Soricidae), including records of new hosts
    Iva Dykova
    Institute of Parasitology, Biology Centre of the Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
    Folia Parasitol (Praha) 58:249-56. 2011
  3. ncbi request reprint Fish-isolated Naegleria strains and their phylogeny inferred from ITS and SSU rDNA sequences
    Iva Dykova
    Institute of Parasitology, Biology Centre, Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
    Folia Parasitol (Praha) 53:172-80. 2006
  4. ncbi request reprint Phylogeny of Neoparamoeba strains isolated from marine fish and invertebrates as inferred from SSU rDNA sequences
    Iva Dykova
    Biology Centre of the Academy of Sciences of the Czech Republic, Institute of Parasitology, Ceske Budejovice, Czech Republic
    Dis Aquat Organ 74:57-65. 2007
  5. ncbi request reprint Didymium-like myxogastrids (class Mycetozoa) as endocommensals of sea urchins (Sphaerechinus granularis)
    Iva Dykova
    Institute of Parasitology, Biology Centre, Academy of Sciences of the Czech Republic, Branisovski 31, 370 05 Ceske Budejovice, Czech Republic
    Folia Parasitol (Praha) 54:1-12. 2007
  6. ncbi request reprint New data on Soricimyxum fegati (Myxozoa) including analysis of its phylogenetic position inferred from the SSU rRNA gene sequence
    Iva Dykova
    Institute of Parasitology, Biology Centre, Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceské, Budejovice, Czech Republic
    Folia Parasitol (Praha) 54:272-6. 2007
  7. doi request reprint Neoparamoeba spp. and their eukaryotic endosymbionts similar to Perkinsela amoebae (Hollande, 1980): coevolution demonstrated by SSU rRNA gene phylogenies
    Iva Dykova
    Institute of Parasitology, Biology Centre, Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
    Eur J Protistol 44:269-77. 2008
  8. doi request reprint Living together: the marine amoeba Thecamoeba hilla Schaeffer, 1926 and its endosymbiont Labyrinthula sp
    Iva Dykova
    Institute of Parasitology, Biology Centre, Academy of Sciences of the Czech Republic, Branis ovská 31, 370 05 Ceské Bude jovice, Czech Republic
    Eur J Protistol 44:308-16. 2008
  9. ncbi request reprint Phylogeny of Flabellulidae (Amoebozoa: Leptomyxida) inferred from SSU rDNA sequences of the type strain of Flabellula citata Schaeffer, 1926 and newly isolated strains of marine amoebae
    Iva Dykova
    Institute of Parasitology, Biology Centre of the Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
    Folia Parasitol (Praha) 55:256-64. 2008
  10. ncbi request reprint Kudoa inornata sp. n. (Myxosporea: Multivalvulida) from the skeletal muscles of Cynoscion nebulosus (Teleostei: Sciaenidae)
    Iva Dykova
    Institute of Parasitology, Biology Centre of the Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
    Folia Parasitol (Praha) 56:91-8. 2009

Detail Information

Publications38

  1. ncbi request reprint Vexillifera expectata sp. n. and other non-encysting amoebae isolated from organs of freshwater fish
    I Dykova
    Institute of Parasitology, Academy of Sciences of the Czech Republic, Ceske Budejovice, Czech Republic
    Folia Parasitol (Praha) 45:17-26. 1998
    ..We present its detailed description here also to demonstrate that amoeba stages of this type of organisms are capable to infect fishes...
  2. ncbi request reprint Xenoma-like formations induced by Soricimyxum fegati (Myxosporea) in three species of shrews (Soricomorpha: Soricidae), including records of new hosts
    Iva Dykova
    Institute of Parasitology, Biology Centre of the Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
    Folia Parasitol (Praha) 58:249-56. 2011
    ..In other organs of these three host species, xenoma-like formations (XLFs) were found that severely injured blood vessels. XLFs contained presporogonic stages of S. fegati, whose species identity was evidenced using molecular methods...
  3. ncbi request reprint Fish-isolated Naegleria strains and their phylogeny inferred from ITS and SSU rDNA sequences
    Iva Dykova
    Institute of Parasitology, Biology Centre, Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
    Folia Parasitol (Praha) 53:172-80. 2006
    ..Sequences obtained in this study have been deposited in GenBank with accession numbers DQ768714-DQ768743...
  4. ncbi request reprint Phylogeny of Neoparamoeba strains isolated from marine fish and invertebrates as inferred from SSU rDNA sequences
    Iva Dykova
    Biology Centre of the Academy of Sciences of the Czech Republic, Institute of Parasitology, Ceske Budejovice, Czech Republic
    Dis Aquat Organ 74:57-65. 2007
    ..This complexity needs to be considered when attempting to define molecular markers for identification of Paramoeba/Neoparamoeba species in tissues of fish and invertebrates...
  5. ncbi request reprint Didymium-like myxogastrids (class Mycetozoa) as endocommensals of sea urchins (Sphaerechinus granularis)
    Iva Dykova
    Institute of Parasitology, Biology Centre, Academy of Sciences of the Czech Republic, Branisovski 31, 370 05 Ceske Budejovice, Czech Republic
    Folia Parasitol (Praha) 54:1-12. 2007
    ..Data obtained in this study may be useful in future analyses of relationships of the genera Didymium, Hyperamoeba, Physarum and Pseudodidymium as well as in higher-order phylogeny of Myxogastrea...
  6. ncbi request reprint New data on Soricimyxum fegati (Myxozoa) including analysis of its phylogenetic position inferred from the SSU rRNA gene sequence
    Iva Dykova
    Institute of Parasitology, Biology Centre, Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceské, Budejovice, Czech Republic
    Folia Parasitol (Praha) 54:272-6. 2007
    ..No. EU232760). Phylogenetic analysis of SSU rDNA revealed that S. fegati is closely related to myxosporeans infecting gall bladders of freshwater fish...
  7. doi request reprint Neoparamoeba spp. and their eukaryotic endosymbionts similar to Perkinsela amoebae (Hollande, 1980): coevolution demonstrated by SSU rRNA gene phylogenies
    Iva Dykova
    Institute of Parasitology, Biology Centre, Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
    Eur J Protistol 44:269-77. 2008
    ..Comparison of phylograms reconstructed from corresponding SSU rDNA sequences of host amoebae and their symbionts revealed a high level of congruence, which argues very strongly for coevolution of these two eukaryotic organisms...
  8. doi request reprint Living together: the marine amoeba Thecamoeba hilla Schaeffer, 1926 and its endosymbiont Labyrinthula sp
    Iva Dykova
    Institute of Parasitology, Biology Centre, Academy of Sciences of the Czech Republic, Branis ovská 31, 370 05 Ceské Bude jovice, Czech Republic
    Eur J Protistol 44:308-16. 2008
    ..hilla verified the assumption that the extra- and intra-cellularly multiplying Labyrinthula cells are identical organisms. The association of the marine amoeba T. hilla and Labyrinthula sp. displayed signs of mutualistic symbiosis...
  9. ncbi request reprint Phylogeny of Flabellulidae (Amoebozoa: Leptomyxida) inferred from SSU rDNA sequences of the type strain of Flabellula citata Schaeffer, 1926 and newly isolated strains of marine amoebae
    Iva Dykova
    Institute of Parasitology, Biology Centre of the Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
    Folia Parasitol (Praha) 55:256-64. 2008
    ..were positioned within a sister-group containing Paraflabellula spp. Results of phylogenetic analysis confirmed doubts of previous authors regarding generic assignment of several Rhizanmoeba and Ripidomnyxa strains...
  10. ncbi request reprint Kudoa inornata sp. n. (Myxosporea: Multivalvulida) from the skeletal muscles of Cynoscion nebulosus (Teleostei: Sciaenidae)
    Iva Dykova
    Institute of Parasitology, Biology Centre of the Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
    Folia Parasitol (Praha) 56:91-8. 2009
    ..inornata recognized in this study should motivate further screening for infections in its host, which is considered a commercially important game fish with a wide distribution in the Western North Atlantic...
  11. doi request reprint Grellamoeba robusta gen. n., sp. n., a possible member of the family Acramoebidae Smirnov, Nassonova et Cavalier-Smith, 2008
    Iva Dykova
    Institute of Parasitology, Biology Centre, Academy of Sciences of the Czech Republic, Ceske Budejovice, Czech Republic
    Eur J Protistol 46:77-85. 2010
    ..robusta is sensitive to the method of analysis applied, a tendency to group with Acramoeba dendroida Smirnov, Nassonova et Cavalier-Smith, 2008 is evident...
  12. doi request reprint Strains of Uronema marinum (Scuticociliatia) co-isolated with amoebae of the genus Neoparamoeba
    Iva Dykova
    Institute of Parasitology, Biology Centre, Academy of Sciences of the Czech Republic, 370 05 Ceske Budejovice, Czech Republic
    Dis Aquat Organ 89:71-7. 2010
    ..On the basis of SSU rDNA, the 6th strain, also isolated from affected fish gills, was identified as Aristerostoma sp...
  13. ncbi request reprint New data on aetiology of nodular gill disease in rainbow trout, Oncorhynchus mykiss
    Iva Dykova
    Institute of Parasitology, Biology Centre of the Academy of Sciences of the Czech Republic, Branisovski 31, 370 05 Ceske Budejovice, Czech Republic
    Folia Parasitol (Praha) 57:157-63. 2010
    ..with NGD and a direct ISH proof of Naegleria trophozoites attached to hyperplastic gill epithelium are novel findings, expanding the number of possible agents of NGD and supporting the hypothesis on multicausal aetiology of this disease...
  14. doi request reprint Neoparamoeba branchiphila infections in moribund sea urchins Diadema aff. antillarum in Tenerife, Canary Islands, Spain
    Iva Dykova
    Institute of Parasitology, Biology Centre, Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
    Dis Aquat Organ 95:225-31. 2011
    ..aff. antillarum mortality. The enlargement of the dataset of SSU rDNA sequences brought new insight into the phylogeny of Neoparamoeba species...
  15. ncbi request reprint Henneguya cynoscioni sp. n. (Myxosporea: Bivalvulida), an agent of severe cardiac lesions in the spotted seatrout, Cynoscion nebulosus (Teleostei: Sciaenidae)
    Iva Dykova
    Institute of Parasitology, Biology Centre of the Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
    Folia Parasitol (Praha) 58:169-77. 2011
    ....
  16. ncbi request reprint Fish-isolated strains of Hartmannella vermiformis page, 1967: morphology, phylogeny and molecular diagnosis of the species in tissue lesions
    Iva Dykova
    Institute of Parasitology, Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
    Folia Parasitol (Praha) 52:295-303. 2005
    ..A new species-specific oligonucleotide probe inferred from recently available SSU rRNA gene sequences was designed and successfully tested in tissue lesions produced by one strain of H. vermiformis in experimentally infected fish...
  17. ncbi request reprint Neoparamoeba branchiphila n. sp., and related species of the genus Neoparamoeba Page, 1987: morphological and molecular characterization of selected strains
    I Dykova
    Institute of Parasitology, Academy of Sciences of the Czech Republic, Ceske Budejovice, Czech Republic
    J Fish Dis 28:49-64. 2005
    ..Members of this clade are characterized as representatives of a new species, N. branchiphila n. sp. The diagnostic primers for the identification of this species are introduced...
  18. ncbi request reprint Epizoic amoebae from the gills of turbot Scophthalmus maximus
    I Dykova
    Institute of Parasitology, Academy of Sciences of the Czech Republic, Ceske Budejovice, Czech Republic
    Dis Aquat Organ 38:33-8. 1999
    ..The pathogenic potential of epizoic gill amoebae in turbots is discussed...
  19. ncbi request reprint Histopathology of Kabatana arthuri (Microspora) infection in sutchi catfish, Panagasius sutchi
    I Dykova
    Institute of Parasitology, Academy of Sciences of the Czech Republic, Ceske Budejovice
    Folia Parasitol (Praha) 47:161-6. 2000
    ..Spore-laden macrophages were found in various tissues and organs; their infiltration in epidermis including its outermost layers may effectively enhance the spread of infection while the hosts still live...
  20. ncbi request reprint Neoparamoeba Page, 1987: light and electron microscopic observations on six strains of different origin
    I Dykova
    Institute of Parasitology, Academy of Sciences of the Czech Republic, Ceske Budejovice
    Dis Aquat Organ 43:217-23. 2000
    ..pemaquidensis, the closely related species N. aestuarina also has to be taken into consideration as the agent of AGD...
  21. ncbi request reprint Identity of Naegleria strains isolated from organs of freshwater fishes
    I Dykova
    Institute of Parasitology, Academy of Sciences of the Czech Republic, Ceske Budejovice
    Dis Aquat Organ 46:115-21. 2001
    ..australiensis. Another 5 strains had a 1.3 kb long group I intron in their SSU rRNA gene and, based on the SSU rRNA sequences and riboprints, RFLP-PCR patterns appeared in phylogenetic trees to be closely related to Naegleria clarki...
  22. ncbi request reprint Kudoa dianae sp. n. (Myxosporea: Multivalvulida), a new parasite of bullseye puffer, Sphoeroides annulatus (Tetraodontiformes: Tetraodontidae)
    Iva Dykova
    Institute of Parasitology, Academy of Sciences of the Czech Republic, Ceske Budejovice
    Folia Parasitol (Praha) 49:17-23. 2002
    ..dianae is distinguishable from these five species and that its closest relation is with K. miniauiriculata...
  23. ncbi request reprint Nosema notabilis (Microsporidia), its ultrastructure and effect on the myxosporean host Ortholinea polymorpha
    I Dykova
    Institute of Parasitology, Academy of Sciences of the Czech Republic, Ceske Budejovice, Czech Republic
    Dis Aquat Organ 35:69-76. 1999
    ..The damage may result in complete disintegration of the plasmodium. However, the development of the microsporidian is affected by a remarkably high percentage of teratological stages revealing membranaceous and tubular structures...
  24. ncbi request reprint Paramoeba sp., an agent of amoebic gill disease of turbot Scophthalmus maximus
    I Dykova
    Institute of Parasitology, Academy of Sciences of the Czech Republic, Branisovska, Czech Republic
    Dis Aquat Organ 33:137-41. 1998
    ..pemaquidensis Page, 1970. The identity with P. pemaquidensis, known as an agent of gill diseases of salmonids, is yet to be assessed using non-morphological criteria...
  25. ncbi request reprint Myxobolus lentisuturalis sp. n. (Myxozoa: Myxobolidae), a new muscle-infecting species from the Prussian carp, Carassius gibelio from China
    Iva Dykova
    Institute of Parasitology, Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
    Folia Parasitol (Praha) 49:253-8. 2002
    ..Phylogenetic analyses elucidated relationship of the newly described Myxobolus lentisuturalis to other Myxobolus species and supported its position of an independent species...
  26. ncbi request reprint Nuclearia pattersoni sp. n. (Filosea), a new species of amphizoic amoeba isolated from gills of roach (Rutilus rutilus), and its rickettsial endosymbiont
    Iva Dykova
    Institute of Parasitology, Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
    Folia Parasitol (Praha) 50:161-70. 2003
    ..The bacterial endosymbiont found in N. pattersoni type strain RR2G2 is assigned to the genus Rickettsia...
  27. ncbi request reprint New data on Myxobolus longisporus (Myxozoa: Myxobolidae), a gill infecting parasite of carp, Cyprinus carpio haematopterus, from Chinese lakes
    Iva Dykova
    Institute of Parasitology, Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
    Folia Parasitol (Praha) 50:263-8. 2003
    ..Phylogenetic analysis based on these sequences has allowed clearer phylogenetic relationships to be established with other species of the genus Myxobolus sequenced to date...
  28. ncbi request reprint Advances in the knowledge of amphizoic amoebae infecting fish
    Iva Dykova
    Institute of Parasitology, Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
    Folia Parasitol (Praha) 51:81-97. 2004
    ..Attention is particularly given to specific diagnostic tools for fish-infecting amphizoic amoebae and ways for their further development...
  29. ncbi request reprint The phylogeny of marine and freshwater species of the genus Chloromyxum Mingazzini, 1890 (Myxosporea: Bivalvulida) based on small subunit ribosomal RNA gene sequences
    Ivan Fiala
    Institute of Parasitology, Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
    Folia Parasitol (Praha) 51:211-4. 2004
    ..Three newly sequenced species of the genus Chloromyxum represent three separate lineages within the myxosporean tree and do not support the monophyly of this genus...
  30. ncbi request reprint Molecular characterisation of Neoparamoeba strains isolated from gills of Scophthalmus maximus
    Ivan Fiala
    Institute of Parasitology, Academy of Sciences of the Czech Republic, Faculty of Biological Sciences, University of South Bohemia, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
    Dis Aquat Organ 55:11-6. 2003
    ..formed a monophyletic group with a sister-group relationship to Vannella anglica Page, 1980. They did not cluster with Gymnamoebae of the families Hartmannellidae, Flabellulidae, Leptomyxidae or Amoebidae presently available in GenBank...
  31. ncbi request reprint Experimental study on pathogenic potential of six Acanthamoeba strains isolated from fish
    Marie Veverková
    Institute of Parasitology, Academy of Sciences of the Czech Republic, Ceske Budejovice
    Folia Parasitol (Praha) 49:243-5. 2002
  32. ncbi request reprint Myxozoan genera: definition and notes on taxonomy, life-cycle terminology and pathogenic species
    Jiri Lom
    Institute of Parasitology, Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
    Folia Parasitol (Praha) 53:1-36. 2006
    ..Establishment of a classification acceptable from morphological, biological and phylogenetical viewpoints is necessary...
  33. ncbi request reprint Microsporidian xenomas in fish seen in wider perspective
    Jiri Lom
    Institute of Parasitology, Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
    Folia Parasitol (Praha) 52:69-81. 2005
    ..The need of further research is emphasised...
  34. ncbi request reprint Female morphology of Philometra rubra (Nematoda: Philometridae), a parasite of the abdominal cavity of the striped sea-bass Morone saxatilis (Moronidae, Perciformes) in the USA
    Frantisek Moravec
    Institute of Parasitology, Biology Centre of the Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
    Folia Parasitol (Praha) 56:64-6. 2009
    ..Cephalic papillae of the external circle differ from those in other congeners in that the dorso-lateral and ventro-lateral papillae are large, dome-shaped, whereas the dorso-dorsal and ventro-ventral papillae are small...
  35. ncbi request reprint Redescription of Alinema amazonicum (Travassos, 1960) n. comb., a philometrid nematode with unusual morphology
    Frantiek Moravec
    Institute of Parasitology, Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
    J Parasitol 92:138-44. 2006
    ..comb. This is the first record of this parasite from Peru, and P. perruno represents its new host record...
  36. ncbi request reprint Proleptus obtusus Dujardin, 1845 (Nematoda: Physalopteridae) from the puffadder shyshark Haploblepharus edwardsii (Scyliorhinidae) from off South Africa
    Frantisek Moravec
    Institute of Parasitology, Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
    Syst Parasitol 53:169-73. 2002
    ..obtusus from the closely related P. acutus Dujardin, 1845. The finding of the former in H. edwardsii represents a new host record...
  37. pmc Encephalitozoon cuniculi genotype I as a causative agent of brain abscess in an immunocompetent patient
    Oleg Ditrich
    Biology Centre of the Academy of Sciences of the Czech Republic, vvi, Institute of Parasitology, Branisovska 31, 37005 Ceske Budejovice, Czech Republic
    J Clin Microbiol 49:2769-71. 2011
    ..The microsporidium was observed in the abscess aspirate, and its specific DNA was also detected in stool and urine. The patient was successfully treated with albendazole and mebendazole...
  38. doi request reprint CD8+ T-cells mediate immunopathology in tick-borne encephalitis
    Daniel Ruzek
    Institute of Parasitology, Biology Centre of the Academy of Sciences of the Czech Republic, Ceske Budejovice, Czech Republic
    Virology 384:1-6. 2009
    ..The results imply that tick-borne encephalitis is an immunopathological disease and that the inflammatory reaction significantly contributes to the fatal outcome of the infection...