نتایج جستجو برای: myxobolus spp
تعداد نتایج: 51334 فیلتر نتایج به سال:
Myxobolus filamentum sp. n. was found infecting gill filaments of three of 39 Brycon orthotaenia Günther specimens examined (8%), which were taken from the river São Francisco in Minas Gerais state, Brazil. Plasmodia of the parasite were white and long, measuring 5 mm in lenght. Mature spores of M. filamentum sp. n. were oval from the frontal view and biconvex from the lateral view, measuring 7...
conclusions the results of the present study revealed that soil resources of these areas were contaminated with opportunistic amoebas such as acanthamoeba and hartmannella spp. and this may lead to severe diseases in high-risk people, such as immunocompromised patients. background free-living amoebas are very abundant in nature, especially in water and soil. some species of amoebas cause seriou...
Archived tissues from affected yellow perch Perca flavescens, as well as fresh submissions of juvenile yellow perch, walleye, fathead minnows, golden shiners and smallmouth bass cultured in the same pond or from a shared water source were examined for the presence of Myxobolus neurophilus. Archived tissues were sectioned and stained with hematoxylin and eosin or with Giemsa, revealing myxozoan ...
The original description of Myxobolus longisporus Nie et Li, 1992, the species infecting gills of Cyprinus carpio haematopterus L., is supplemented with new data on the spore morphology and pathogenicity. Spores are elongate pyriform with pointed anterior end, 15.7 (15.5-16.5) microm long, 6.7 (6-8) microm wide and 5.5 microm thick. Sutural ridge is straight and narrow. Mucus envelope is lackin...
Myxozoa are microscopic obligate endoparasites with complex live cycles. Representatives are Myxobolus cerebralis, the causative agent of whirling disease in salmonids, and the enigmatic "orphan worm" Buddenbrockia plumatellae parasitizing in Bryozoa. Originally, Myxozoa were classified as protists, but later several metazoan characteristics were reported. However, their phylogenetic relationsh...
این مطالعه به منظور شناسایی باکتری های پاتوژن موجود بر سطح سوند و بررسی توانایی آن ها در تشکیل بیوفیلم انجام گرفت. در این بررسی 50 نمونه سوند ادراری از بیماران مختلف بستری در بخش icu بیمارستان بررسی گردید. باکتری های جدا شده با استفاده از تست های بیوشیمیایی شناسایی و توانایی تشکیل بیوفیلم آن ها در حضور و عدم حضور بیوسایدهای بیسموت اتان دی تیول (bisedt) و بیسموت پروپان دی تیول (bispdt) و اسانس آ...
This study was carried out to investigate occurrence of parasite in selected cyprinid fish species in Gandoman Lagoon, in the vicinity of Gandoman City, Chaharmahal & Bakhtyari Province. A total of 90 fish specimens including Cyprinus carpio, Carassius auratus gibelio, Capoeta aculeata , C.damascina, Chondrostoma regium and Alburnus alburnus from Gandoman were examined during spring and summer...
A PCR for the specific detection of the salmon brain parasite Myxobolus arcticus (Pugachev and Khokhlov, 1979) was developed using primers designed to amplify a 1363 base pair fragment of the small subunit rDNA. The assay did not amplify DNA from 5 other Myxobolus species or from 7 other myxozoan species belonging to 5 other genera. For juvenile sockeye salmon Oncorhynchus nerka (Walbaum) colle...
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