Publications

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practical pcr tools for the delineation of contracaecum rudolphii a and contracaecum rudolphii b (ascaridoidea: anisakidae) using genetic markers in nuclear ribosomal dna.using genetic markers defined previously in the internal transcribed spacers (its-1 and its-2) of nuclear ribosomal dna (rdna), pcr-coupled restriction fragment length polymorphism (pcr-rflp) and specific pcr assays were established for the specific detection of each of two morphologically indistinguishable operational taxonomic units (contracaecum rudolphii a and contracaecum rudolphii b) within contracaecum rudolphii (s.l.) and their differentiation from contracaecum septentrionale, a closely ...200717029878
helminth parasites of the lesser great cormorant phalacrocorax carbo sinensis from two nesting regions in the czech republic.parasitological examinations of 102 specimens of the lesser great cormorant phalacrocorax carbo sinensis (blumenbach) from two nesting regions in the czech republic (south bohemia and south moravia) were carried out at the institute of parasitology, czech academy of sciences (previously the czechoslovak academy of sciences) in the years 1987-1992. in them, a total of 19 species of helminth parasites was found, including trematoda (11 species), cestoda (2), nematoda (4) and acanthocephala (2), wh ...201627312270
further studies on contracaecum spasskii mozgovoi, 1950 and c. rudolphii hartwich, 1964 (sensu lato) (ascaridida: anisakidae) from piscivorous birds in china.contracaecum spasskii mozgovoi, 1950, collected from the great crested grebe podiceps cristatus (linnaeus) (podicipediformes: podicipedidae), is redescribed using both light and, for the first time, scanning electron microscopy. contracaecum spasskii differs from its congeners by having marked transverse cuticular annulations, the length of the oesophagus and spicules, the ratio between the intestinal caecum and the ventricular appendix, the number and arrangement of male caudal papillae, and es ...201323404759
coexistence and genetic variability of contracaecum rudolphii a and contracaecum rudolphii b (nematoda: anisakidae) in cormorants, phalacrocorax carbo sinensis, in the baltic region.although numerous genetically isolated entities within contracaecum rudolphii sensu lato are presently defined, information on the distribution and ecology of these groups is nonetheless in demand. in the present study, information based upon dna sequence data (restriction analysis and sequencing of rdna) on the distribution of the species c. rudolphii a and c. rudolphii b in the cormorant phalacrocorax carbo sinensis from the baltic region (poland and finland) is provided. these data corroborat ...201222256988
genetic evidence for the existence of sibling species within contracaecum rudolphii (hartwich, 1964) and the validity of contracaecum septentrionale (kreis, 1955) (nematoda: anisakidae).specimens of contracaecum rudolphii sensu lato (s.l.) (nematoda: anisakidae) from phalacrocorax carbo sinensis from northeastern and central italy were characterised genetically and compared with those from phalacrocorax aristotelis from galician coasts, spain (identified as c. rudolphii a by multilocus enzyme electrophoresis) and with specimens of c. septentrionale from alca torda from the galician coasts, spain. the first (its-1) and second (its-2) internal transcribed spacers (its) of ribosom ...200515928905
intra- and interspecific density-dependent effects on growth in helminth parasites of the cormorant, phalacrocorax carbo sinensis.the action of intra- and interspecific competition, mediated by density-dependent effects on growth, was investigated among the 3 helminth species found in the alimentary tract of 104 cormorants, phalacrocorax carbo sinensis. intraspecific density-dependent effects on worm sizes were observed in the abundant nematode contracaecum rudolphii, as shown by a negative correlation between mean worm size and intensity of infection. higher intensities of infection by c. rudolphii were also associated wi ...200212049416
molecular evidence for the occurrence of contracaecum rudolphii a (nematoda: anisakidae) in shag phalacrocorax aristotelis (linnaeus) (aves: phalacrocoracidae) from sardinia (western mediterranean sea).specimens of contracaecum rudolphii hartwich, 1964 (nematoda: anisakidae) from phalacrocorax aristotelis (linnaeus) from the archipelago of la maddalena (sardinia, western mediterranean sea) were characterised genetically and compared with c. rudolphii a sensu d'amelio et al. 1990 and c. rudolphii b sensu d'amelio et al. 1990 from phalacrocorax carbo sinensis (blumenbach) from north-eastern italy, and with c. rudolphii c sensu d'amelio et al. 2007 from phalacrocorax auritus (lesson) from west-ce ...200818571974
experimental studies on the development of contracaecum rudolphii (nematoda: anisakidae) in copepod and fish paratenic hosts.the larval development of the nematode contracaecum rudolphii (rudolphi, 1819), a common parasite of the proventriculus of cormorants, was experimentally studied. within the eggs cultivated in freshwater under laboratory temperatures of 20-22 degrees c, the developing larva undergoes two moults on days 4-5, attaining the third larval stage. most of the ensheathed third-stage larvae, 291-457 microm long, hatch spontaneously from egg shells on days 5-6. experiments have indicated that hatched ensh ...200919827362
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