Differences in virulence between two serotypes of Ichthyophthirius multifiliis
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a cross-comparative dtudy between two textbook series in terms of the presentation of politeness
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15 صفحه اولDiversity and Universality of Endosymbiotic Rickettsia in the Fish Parasite Ichthyophthirius multifiliis
Although the presence of endosymbiotic rickettsial bacteria, specifically Candidatus Megaira, has been reported in diverse habitats and a wide range of eukaryotic hosts, it remains unclear how broadly Ca. Megaira are distributed in a single host species. In this study we seek to address whether Ca. Megaira are present in most, if not all isolates, of the parasitic ciliate Ichthyophthirius multi...
متن کاملApoptosis in Ichthyophthirius multifiliis is associated with expression of the Fas receptor of theronts.
The expression of type I membrane Fas receptors on the surface of Ichthyophthirius multifiliis (Ich) theronts and the possible association between Fas expression and theront apoptosis induced by the immune antibody was examined. Fas receptors were detected on the theront surface using fluorescein isothiocyanate-conjugated mouse monoclonal antibody against Fas. Fas-positive theronts significantl...
متن کاملIchthyophthirius multifiliis as a potential vector of Edwardsiella ictaluri in channel catfish.
There is limited information on whether parasites act as vectors to transmit bacteria in fish. In this trial, we used Ichthyophthirius multifiliis and fluorescent Edwardsiella ictaluri as a model to study the interaction between parasite, bacterium, and fish. The percentage (23-39%) of theronts fluorescing after exposure to E. ictaluri was significantly higher than control theronts (~ 6%) using...
متن کاملParasitism by protozoan Ichthyophthirius multifiliis enhanced invasion of Aeromonas hydrophila in tissues of channel catfish.
Protozoan Ichthyophthirius multifiliis Fouquet (Ich) and bacterium Aeromonas hydrophila are two common pathogens of cultured fish, which cause high fish mortality. Currently there is no information available for the effect of parasitism by Ich on survival of channel catfish and invasion of A. hydrophila in fish tissues following exposure to A. hydrophila. A trial was conducted in this study to:...
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ژورنال
عنوان ژورنال: Diseases of Aquatic Organisms
سال: 2006
ISSN: 0177-5103,1616-1580
DOI: 10.3354/dao069227