Rainbow trout leucocyte activity:influence on the ectoparasitic monogenean Gyrodactylus derjavini
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چکیده
منابع مشابه
Histochemical characteristics of Gyrodactylus derjavini parasitizing the fins of rainbow trout (Oncorhynchus mykiss).
Histochemical studies of enzyme activities and structural elements in Gyrodactylus derjavini Mikailov, 1975 parasitizing fins of Oncorhynchus mykiss Walbaum were conducted. Marked activities of non-specific esterase, acid phosphatase, alkaline phosphatase and amino-peptidase were found in the intestinal caeca of the parasite. A strong activity of acetylcholinesterase was seen in the nervous sys...
متن کاملAnthelmintic treatment against Gyrodactylus sp. infecting rainbow trout Oncorhynchus mykiss
Various anthelmintics belonging to different pharmacological groups (ivermectin, clorsulon, closantel, netobimin, febantel, praziquantel, niclofolan, bithionol, trichlorfon, levamisole hydrochloride, piperazine citrate and dihydrochloride, nitroscanate), all of proven efficacy against certain helminths, were tested and compared for their in vivo and in vitro activity on a natural infection of O...
متن کاملIn vitro interactions between epithelial cells and Gyrodactylus derjavini.
Skin responses of fish to various parasites have been shown to involve various immunologically competent cells producing factors which guide the reactions of epithelial cells. However, the present study has demonstrated that a monoculture of epithelial cells has the ability to encapsulate and partially degrade ectoparasites without involvement of leukocytes. The ectoparasitic monogeneanGyrodact...
متن کاملHoming of Gyrodactylus salaris and G. derjavini (Monogenea) on different hosts and response post-attachment.
In natural European waters, the congeneric monogeneans Gyrodactylus derjavini Mikailov, 1975 and G. salaris Malmberg, 1957 are primarily found on brown trout Salmo trutta L. and Atlantic salmon Salmo salar L., respectively. Interestingly, rainbow trout, Oncorhynchus mykiss (Walbaum), originating from North America, is as susceptible as brown trout to G. derjavini. However, the mechanisms involv...
متن کاملDNA taxonomy and barcoding of monogenean parasites: lessons from Gyrodactylus.
DNA taxonomy and barcoding use nucleotide sequence data to achieve comprehensive species descriptions that facilitate reliable species diagnostics and rapid assessment of biodiversity, both of which are of great importance for parasitologists. Such molecular approaches have been applied to the monogenean genus Gyrodactylus, in particular to G. salaris, the cause of serious gyrodactylosis on Atl...
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ژورنال
عنوان ژورنال: Diseases of Aquatic Organisms
سال: 1999
ISSN: 0177-5103,1616-1580
DOI: 10.3354/dao035013