Remarks to the validity of Genbank sequences of Myxobolus spp. (Myxozoa, Myxosporidae) infecting Eurasian fishes

• Autorzy: Molnar K.
• Języki publikacji: EN

Abstrakty

EN

Of the 850 known Myxobolus spp., 89 named species have DNA (in most cases 18S rDNA) sequences deposited in the Genbank. Only a part of the deposited sequences represent well identified samples collected from adequate organs of the original hosts. Some of the samples were collected from additional hosts or from fishes genetically far standing from the type-host. In the paper, reliability of sequences of some best known Myxobolus spp., deposited in the Genbank from freshwater fishes of Eurasia’s Palaearctic Region, are surveyed. Genbank sequences are classified into three groups. Sequences obtained from morphologically well characterised Myxobolus spp., which were collected from the type hosts, compose the group of valid sequences. To the group of probable valid sequences belong samples from spores morphologically corresponding to the original description, but collected from fishes closely related to the type-host; while sequences obtained from hosts genetically far standing from the type-hosts represent the category of the un-valid group.

Słowa kluczowe

EN

Myxobolus; Eurasian fish; fish; freshwater fish; Myxozoa; infection; gene bank; validity; DNA; 18S rDNA; revision; host specificity

• Wydawca: -
• Czasopismo: Acta Parasitologica
• Rocznik: 2011
• Tom: 56
• Numer: 3
• Opis fizyczny: p.263-269,ref.

Twórcy

autor

Molnar K.

• Veterinary Medical Research Institute, Hungarian Academy of Sciences, H-1581 Budapest, P.O. Box 18, Hungary

Bibliografia

• Andree K.B., Székely Cs., Molnár K., Gresoviac S.J., Hedrick R.P. 1999. Relationships among members of the Genus Myxobolus (Myxozoa: Bivalvidae) based on small subunit ribosomal RNA sequences. Journal of Parasitology, 85, 68–74.
• Bahri S., Andree K.B., Hedrick R.P. 2003. Morphological and phylogenetic studies of marine Myxobolus spp. from mullet in Ichkeul Lake, Tunisia. Journal of Eukaryotic Microbiology, 50, 463–470. DOI: 10.1111/j.1550-7408.2003.tb00272.x.
• Bauer O.N., Voronin V.N., Yunchis O.N. 1991. Infection of the heart in carp caused by Myxobolus dogieli (Myxosporea, Myxobolidae). Angewandte Parasitologie, 32, 42–44.
• Blazer V.S., Densmore C.L., Schill W.B., Cartwright D.D., Page S.J. 2004. Comparative susceptibility of Atlantic salmon, lake trout and rainbow trout to Myxobolus cerebralis in controlled laboratory exposures. Diseases of Aquatic Organisms, 58, 27–34.
• Bütschli O. 1882. Myxosporidia. In: Bronn’s Klassen und Ordnungen. Protozoa. pp. 590–903.
• Bykhovskaya-Pavlovskaya I.E., Bykhovsky B.E. 1940. Parasite fauna of fishes of Akhtarinsk Bays (Azov Sea, River Kuban Delta). Parasitologicheskij Sbornik (Leningrad), 8, 131–161 ( In Russian).
• Cone D.K., Overstreet R.M. 1998. Species of Myxobolus (Myxozoa) from the bulbus arteriosus of centrarchid fishes in North America, with a description of two new species. Journal of Parasitology, 84, 371–374.
• Donec Z.S., Shulman S.S. 1984. Knidosporidii (Cnidosporidia). In: (Ed. O.N. Bauer) Key to the Parasites of Freshwater Fishes of the USSR. Nauka, Leningrad, Vol. 1., pp. 88–251 (In Russian).
• Dyková I., Lom J. 2007. Histopathology of protistan and myxozoan infections in fishes. An Atlas. Academia, Praha, 219 pp.
• Easy R.H., Johnson S.C., Cone D.K. 2005. Morphological and molecular comparison of Myxobolus procerus (Kudo, 1934) and M. intramusculi n. sp. (Myxozoa) parasitizing muscles of the troutperch Percopsis omiscomaycus. Systematic Parasitology, 61, 115–122. DOI: 10.1007/s11230-005-3135-9.
• El-Mansy A., Molnár K. 1997. Extrapiscine development of Myxobolus drjagini Akhmerov, 1954 (Myxosporea, Myxobolidae) in oligochaete alternative hosts. Acta Veterinaria Hungarica, 45, 427–438.
• Eszterbauer E. 2004. Genetic relationship among gill-infecting Myxobolus species (Myxosporea) of cyprinids: molecular evidence of importance of tissue specificity. Diseases of Aquatic Organisms, 58, 35–40. DOI: 10.3354/dao058035.
• Ferguson J.A., Atkinson S.D., Whipps C.M., Kent M.L. 2008. Molecular and morphological analysis of Myxobolus spp. of salmonid fishes with the description of a new Myxobolus species. Journal of Parasitology, 94, 1322–1334. DOI: 10.1645/GE-2012.1.
• Gonzáles-Lanza M.C., Alvarez-Pellitero M.P. 1985. Myxobolus spp. of various cyprinids from the river Esla (León, SW Spain). Description and population dynamics. Angewandte Parasitologie, 26, 71–83.
• Gurley H.R. 1893. On the classification of Myxosporidia, a group of protozoan parasites infecting fishes. Bulletin of US Fisheries Communications, 11, 407–420.
• Hedrick R.P., McDowell T.S., Gay M., Marty G.D., Georgiadis M.P., MacConnell E. 1999. Comparative susceptibility of rainbow trout Oncorhynchus mykiss and brown trout Salmo trutta to Myxobolus cerebralis, the cause of salmonid whirling disease. Diseases of Aquatic Organisms, 37, 173–183.
• Kudo R. 1919. Studies on Myxosporidia. A synopsis of genera and species of Myxosporidia. Illinois Biological Monographs, 5, 1–265.
• Landsberg J.H., Lom J. 1991. Taxonomy of the genera Myxobolus/Myxosoma group (Myxobolidae: Myxosporea), current listing of species and revision of synonyms. Systematic Parasitology, 18, 165–186. DOI: 10.1007/BF00009358.
• Lom J., Dyková I. 1992. Myxosporidia (Phylum Myxozoa) In: (Eds. J. Lom and I. Dyková) Protozoan parasites of fishes. Developments in Aquaculture and Fisheries Science, Elsevier, Amsterdam, pp. 159–235.
• Lom J., Dyková I. 2006. Myxozoan genera: definition and notes on taxonomy, life-cycle terminology and pathogenic species. Folia Parasitologica, 53, 1–36.
• Molnár K. 1979. Myxobolus pavlovskii (Achmerov, 1954) (Myxosporidia) Infection in the Silver Carp and Bighead. Acta Veterinaria Scientiarum Hungariae, 27, 207–216.
• Molnár K. 1994. Comments on the host, organ and tissue specificity of fish myxosporeans and on the types of their intrapiscine development. Parasitologia Hungarica, 27, 5–20.
• Molnár K., Eszterbauer E., Székely Cs., Dán Á., Harrach B. 2002. Morphological and molecular biological studies on intramuscular Myxobolus spp. of cyprinid fish. Journal of Fish Diseases, 25, 643–652. DOI: 10.1946/j.1365-2761.2002.00409.x.
• Molnár K., Marton S., Eszterbauer E., Székely C. 2006. Comparative morphological and molecular studies on Myxobolus spp. infecting chub from the river Danube, Hungary, and description of M. muellericus sp. n. Diseases of Aquatic Organisms, 73, 49–61.
• Molnár K., Székely Cs. 1999. Myxobolus infection of the the gills of common bream (Abramis brama L.) in Lake Balaton and in the Kis-Balaton reservoir, Hungary. Acta Veterinaria Hungarica, 47, 419–432.
• Molnár K., Székely Cs., Hallett S.L., Atkinson S.D. 2009. Some remarks on the occurrence, host specificity and validity of Myxobolus rotundus Nemeczek, 1911 (Myxozoa: Myxosporea). Systematic Parasitology, 72, 71–79. DOI: 10.1007/s11230-0089161-7.
• Nemeczek A. 1911. Beiträge zur Kenntniss Myxo- und Microsporidien der Fische. Archiv für Protistenkunde, 45, 390–400.
• Székely Cs., Hallett S.L., Atkinson S.D., Molnár K. 2009. Complete life cycle of Myxobolus rotundus (Myxosporea: Myxobolidae), a gill myxozoan of common bream Abramis brama. Diseases of Aquatic Organisms, 85, 147–155. DOI: 10.3354/daoo2068.
• Thélohan P. 1892. Observations sur les myxosporidies et essai de classification de ces organisms. Bulletin de la Société Phylomatique de Paris, 4, 165–178.
• Thélohan P. 1895. Recherches sur les Myxosporidies. Bulletin Scientifique de la France et Belgique, 26, 100–394.
• Urawa S., Iida Y., Freeman M.A., Yanagida T., Karlsbakk E., Yokoyama H. 2009. Morphological and molecular compar isons of Myxobolus spp. in nerve tissues of salmonid fishes with the description of Myxobolus murakamii n. sp., the causent agent of myxosporean sleeping disease. Fish Pathology, 44, 72–80. DOI: 10.1645/GE-1606.1
• Whipps C.M., El-Matbouli M., Hedrick R.P., Blazer V., Kent M.L. 2004. Myxobolus cerebralis internal transcribed spacer 1 (ITS-1) sequences support recent spread of the parasite to North America and within Europe. Diseases of Aquatic Organisms, 60, 105–108.
• Zhang J.Y., Wang J.G., Li A.H., Gong X.N. 2010. Infection of Myxobolus turpisrotundus sp. n. in allogynogenetic gibel carp, Carassius auratus gibelio (Bloch), with revision of Myxobolus rotundus (s. l.) Nemeczek reported from C. auratus auratus (L.). Journal of Fish Diseases, 33, 625–638. DOI: 10.1111/j.1365-2761.2010.01161.x.