About: High prevalence of trypanosome co-infections in freshwater fishes

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	One thousand three hundred seventy three fish specimens of eight different species from the vicinity of Kyiv, Ukraine, were examined for the presence of trypanosomes and 921 individuals were found to be infected. The prevalence of infection ranged from 24% in freshwater bream, Abramis brama (Linnaeus), to 100 % in spined loach, Cobitis taenia’ Linnaeus. The level of parasitaemia also varied significantly between generally mild infections in pikeperch, Sander lucioperca (Linnaeus), and heavy ones in C. taenia’. In most cases the infections with trypanosomes were asymptomatic. Cases of co-infection with species of Trypanoplasma Laveran et Mesnil, 1901 were documented for five out of eight examined host species. Molecular analysis of the 18S rDNA sequences revealed that four hosts, namely northern pike, Esox lucius Linnaeus, freshwater bream, spined loach and European perch, Perca fluviatilis Linnaeus, were simultaneously infected with two different trypanosome species. Our findings advocate the view that to avoid the risk posed by mixed infections, subsequent molecular taxonomic studies should be performed on clonal lines derived from laboratory cultures of fish trypanosomes. One thousand three hundred seventy three fish specimens of eight different species from the vicinity of Kyiv, Ukraine, were examined for the presence of trypanosomes and 921 individuals were found to be infected. The prevalence of infection ranged from 24% in freshwater bream, Abramis brama (Linnaeus), to 100 % in spined loach, Cobitis taenia’ Linnaeus. The level of parasitaemia also varied significantly between generally mild infections in pikeperch, Sander lucioperca (Linnaeus), and heavy ones in C. taenia’. In most cases the infections with trypanosomes were asymptomatic. Cases of co-infection with species of Trypanoplasma Laveran et Mesnil, 1901 were documented for five out of eight examined host species. Molecular analysis of the 18S rDNA sequences revealed that four hosts, namely northern pike, Esox lucius Linnaeus, freshwater bream, spined loach and European perch, Perca fluviatilis Linnaeus, were simultaneously infected with two different trypanosome species. Our findings advocate the view that to avoid the risk posed by mixed infections, subsequent molecular taxonomic studies should be performed on clonal lines derived from laboratory cultures of fish trypanosomes. (en)
Title	High prevalence of trypanosome co-infections in freshwater fishes High prevalence of trypanosome co-infections in freshwater fishes (en)
skos:prefLabel	High prevalence of trypanosome co-infections in freshwater fishes High prevalence of trypanosome co-infections in freshwater fishes (en)
skos:notation	RIV/60077344:_____/14:00439395!RIV15-AV0-60077344
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(EE2.3.30.0032), P(GA13-24983S)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Lukeš, Julius Yurchenko, Vyacheslav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Biologické centrum AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	19087
http://linked.open...ai/riv/idVysledku	RIV/60077344:_____/14:00439395
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Trypanosoma,; blood parasites; mixed infections; phylogeny; 18S rRNA; teleosts (en)
http://linked.open.../riv/klicoveSlovo	teleosts blood parasites 18S rRNA Trypanosoma phylogeny mixed infections
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[57F2877B7FCA]
http://linked.open...i/riv/nazevZdroje	Folia Parasitologica
http://linked.open...in/vavai/riv/obor	EB
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Unravelling the early evolution of the eukaryotic cell through exploring the genomes of the eukaryotic superphylum Discoba Promotion of post-doctoral positions in the Biology Centre of the Czech Academy of Sciences aimed to build the global competitiveness of the research teams in the Czech Republic
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	61
http://linked.open...iv/tvurceVysledku	Lukeš, Julius Yurchenko, Vyacheslav Grybchuk-Ieremenko, A. Kostygov, A. Y. Losev, A.
http://linked.open...ain/vavai/riv/wos	000348006800002
issn	0015-5683
number of pages	10 (xsd:int)
http://bibframe.org/vocab/doi	10.14411/fp.2014.064

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