Újabb ismeretek a halélosködo nyálkaspórások (Myxosporea) fejlodésérol és kórtanáról. Irodalmi áttekintés

Translated title of the contribution: Recent knowledge on the development and pathology of myxosporean fish parasites. Review article

Research output: Contribution to journalArticle

Abstract

Myxosporeans are frequent and pathogenic parasites of fish. They are characterized by a complicated way of development, a relatively strict host specificity and a strict tissue specificity. During intrapiscine development (in the organism of the fish), myxosporeans have a vegetative stage and a sporogenic stage. Extrapiscine development takes place in Oligochaeta alternative hosts in which another spore producing stage, regarded earlier as Actinosporea, develops. Fish become infected by actinosporean spores. The author has distinguished three main types of myxosporean development (Myxobolus-, Hoferellus- and Sphaerospora-types). In the Myxobolus-type development (Fig. 8), spores are formed in large plasmodia in a tissue specific for the given parasite; coelozoic (Hoferellus-type) development (Fig. 9) means that the early development of myxosporeans takes place in the cells lining the efferent ducts while the second stage occurs in the lumen of the aforementioned ducts. During Sphaerospora-type development (Fig. 10), a short intracellular stage, one or two blood stages characterized by a series of internal cleavage and a coelozoic or intercellular sporogonic stage can be distinguished.

Original languageHungarian
Pages (from-to)353-358
Number of pages6
JournalMagyar Allatorvosok Lapja
Volume51
Issue number6
Publication statusPublished - 1996

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Myxobolus
Sphaerospora
Spores
Fishes
Parasites
spores
Pathology
parasites
fish
Oligochaeta
alternative hosts
Organ Specificity
Plasmodium
Host Specificity
host specificity
vegetative growth
early development
blood
organisms
cells

ASJC Scopus subject areas

  • veterinary(all)

Cite this

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title = "{\'U}jabb ismeretek a hal{\'e}losk{\"o}do ny{\'a}lkasp{\'o}r{\'a}sok (Myxosporea) fejlod{\'e}s{\'e}rol {\'e}s k{\'o}rtan{\'a}r{\'o}l. Irodalmi {\'a}ttekint{\'e}s",
abstract = "Myxosporeans are frequent and pathogenic parasites of fish. They are characterized by a complicated way of development, a relatively strict host specificity and a strict tissue specificity. During intrapiscine development (in the organism of the fish), myxosporeans have a vegetative stage and a sporogenic stage. Extrapiscine development takes place in Oligochaeta alternative hosts in which another spore producing stage, regarded earlier as Actinosporea, develops. Fish become infected by actinosporean spores. The author has distinguished three main types of myxosporean development (Myxobolus-, Hoferellus- and Sphaerospora-types). In the Myxobolus-type development (Fig. 8), spores are formed in large plasmodia in a tissue specific for the given parasite; coelozoic (Hoferellus-type) development (Fig. 9) means that the early development of myxosporeans takes place in the cells lining the efferent ducts while the second stage occurs in the lumen of the aforementioned ducts. During Sphaerospora-type development (Fig. 10), a short intracellular stage, one or two blood stages characterized by a series of internal cleavage and a coelozoic or intercellular sporogonic stage can be distinguished.",
author = "K. Moln{\'a}r",
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AB - Myxosporeans are frequent and pathogenic parasites of fish. They are characterized by a complicated way of development, a relatively strict host specificity and a strict tissue specificity. During intrapiscine development (in the organism of the fish), myxosporeans have a vegetative stage and a sporogenic stage. Extrapiscine development takes place in Oligochaeta alternative hosts in which another spore producing stage, regarded earlier as Actinosporea, develops. Fish become infected by actinosporean spores. The author has distinguished three main types of myxosporean development (Myxobolus-, Hoferellus- and Sphaerospora-types). In the Myxobolus-type development (Fig. 8), spores are formed in large plasmodia in a tissue specific for the given parasite; coelozoic (Hoferellus-type) development (Fig. 9) means that the early development of myxosporeans takes place in the cells lining the efferent ducts while the second stage occurs in the lumen of the aforementioned ducts. During Sphaerospora-type development (Fig. 10), a short intracellular stage, one or two blood stages characterized by a series of internal cleavage and a coelozoic or intercellular sporogonic stage can be distinguished.

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