Histochemical characteristics of Gyrodactylus derjavini parasitizing the fins of rainbow trout (Oncorhynchus mykiss)

Title:

Histochemical characteristics of Gyrodactylus derjavini parasitizing the fins of rainbow trout (Oncorhynchus mykiss)

Creator:

Buchmann, Kurt

Identifier:

https://cdk.lib.cas.cz/client/handle/uuid:697860ba-757d-436e-8bb6-6bb0ab9670ee
uuid:697860ba-757d-436e-8bb6-6bb0ab9670ee
urnnbn:urn:nbn:cz:aba007-000dq8

Subject:

Gyrodactylus, Oncorhynchus mykiss, histochemistry, enzymes, and glycobioiogy

Type:

model:internalpart and TEXT

Format:

print

Description:

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 system. Extraintestinal non-specific and eserine-sulphate resistant esterase was localized in the distal part of the hamulus sheath. Activities of peroxidase and glucuronidase were not detected. In the embryo, developing hamuli were enclosed in a sheath rich in phospholipids. Deposits of neutral lipids were sparse. The fully developed ventral and dorsal hamulus bars stained strongly for calcium. Lectin binding assays showed a mannose rich region in the cephalic duct openings, strong reactions for galactose in the glycocalyx whereas reactions for lactose were weak. These findings arc discussed with respect to the parasite-host relationship.

Language:

English

Rights:

http://creativecommons.org/licenses/by-nc-sa/4.0/
policy:public

Coverage:

312-318 and 58-64

Source:

Folia parasitologica | 1998 Volume:45 | Number:4

Harvested from:

CDK

Metadata only:

false