"4050"^^ . "Phenotypic plasticity of monogenean parasites: a combined molecular and morphological approach"@en . "0"^^ . . . . "2007-01-01+01:00"^^ . . . "0"^^ . "1"^^ . "2010-12-31+01:00"^^ . "Plasticita fenotypu monogene\u00ED: kombinace molekul\u00E1rn\u00EDho a morfologick\u00E9ho p\u0159\u00EDstupu"@cs . . "Druhov\u00E1 determinace monogene\u00ED \u010Deledi Diplozoidae zalo\u017Een\u00E1 na morfologii p\u0159ichycovac\u00EDho apar\u00E1tu je d\u00EDky zna\u010Dn\u00E9 variabilit\u011B t\u011Bchto struktur obt\u00ED\u017En\u00E1 a vy\u017Eaduje mimo\u0159\u00E1dnou zku\u0161enost. Proto budou na b\u00E1zi ribosom\u00E1ln\u00ED rRNA vyvinuty druhov\u00E9 markery diplozon\u016F n\u00E1le\u017Eej\u00EDc\u00EDch do r\u016Fzn\u00FDch druhov\u00FDch komplex\u016F a bude ov\u011B\u0159ov\u00E1na platnost sou\u010Dasn\u00FDch morfologick\u00FDch charakteristik nezbytn\u00FDch k\u00A0jejich druhov\u00E9 identifikaci. Rovn\u011B\u017E budou pro charakterizaci inter a intraspecifick\u00FDch struktur studovan\u00E9 skupiny cizopasn\u00EDk\u016F vyu\u017Eity nov\u00E9 metody molekul\u00E1rn\u00ED karyologie v\u010Detn\u011B \u00FAdaj\u016F o makro a mikromorfologii chromosom\u016F. U jedinc\u016F druhu Paradiplozoon homoion poch\u00E1zej\u00EDc\u00EDch z\u00A0r\u016Fzn\u00FDch populac\u00ED Evropy, st\u0159edomo\u0159\u00ED a D\u00E1ln\u00E9ho v\u00FDchodu budou analyzov\u00E1ny rozd\u00EDly v\u00A0intergenov\u00FDch spacerech rRNA gen\u016F (IGS). Analyzov\u00E1ny budou rovn\u011B\u017E populace P. homoion poch\u00E1zej\u00EDc\u00ED z\u00A0r\u016Fzn\u00FDch hostitel\u016F s\u00A0c\u00EDlem posouzen\u00ED na hostitel\u00EDch z\u00E1visl\u00E9ho selek\u010Dn\u00EDho tlaku vedouc\u00EDho ke speciaci."@cs . . . "4050"^^ . "Monogenea; Diplozoidae; phenotypic plasticity; morphometry; chromosome; cytogenetics"@en . . "15"^^ . . "15"^^ . "Species discrimination of diplozoids, based on morphology of the attachment apparatus, is difficult and demands a great deal of experience as these parts are highly variable. Species markers based on the ribosomal rRNA gene array will be designed for diplozoids belonging to various species complexes and the validity of recent morphological and characters for species identification will be evaluated. Also new methods of molecular karyology including data on macro and micromorphology of chromosomes will be used for evaluation of inter and intraspecific structure of selected taxa. Parasite specimens of Paradiplozoon homoion from different European, Mediterranean and Far East populations will be collected and differences in the intergenic spacer rRNAgenes (IGS) will be analysed. Also populations of P. homoion from different host fish will screened for differences in the IGS to reveal possible host related selection pressures leading to speciation."@en . . .