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The systematic position and structure of the genus Leyogonimus Ginetsinskaya, 1948 (Platyhelminthes: Digenea) with comments on the taxonomy of the superfamily Microphalloidea Ward, 1901

100%

Kanarek G., Zalesny G., Sitko J., Tkach V. V.

Acta Parasitologica

2017

tom 62

nr 3

Ultrastructural studies on egg envelopes surrounding the miracidia of Mediogonimus jourdanei Mas-Coma et Rocamora, 1978 [Digenea, Microphalloidea, Prosthogonimidae]

100%

Swiderski Z., Bakhoum A. J. S., Mlocicki D., Miquel J.

Acta Parasitologica

2010

tom 55

nr 3

245-253

The intrauterine, mature and fully embryonated eggs of the prosthogonimid trematode Mediogonimus jourdanei Mas-Coma et Rocamora, 1978 were examined by means of transmission electron microscopy (TEM), using high pressure freezing, freeze substitution and infiltration with resin techniques. Each embryonated egg is composed of a miracidium surrounded by three envelopes: (1) the egg shell, (2) the outer and (3) inner envelopes. Egg envelopes play an important role in the protection, metabolism, storage of nutritive reserves and the general biology of the M. jourdanei egg. The inner envelope is characterised by large, flattened nuclei, and its syncytial cytoplasm contains a heavy accumulation of glycogen, lipid droplets, mitochondria and large vesicles. These traits indicate that this layer has the features of a metabolically-active syncytial layer with an energy storage capability. In the infective eggs observed before the hatching of the miracidium, areas of so-called “focal cytoplasmic degradation” were frequently observed, which may be involved in the autolytic process of all components of this envelopes.

Ultrastructure of digenean trematode eggs (Platyhelminthes: Neoophora): A review emphasizing new comparative data on four European Microphalloidea

80%

Conn D. B., Swiderski Z., Miquel J.

Acta Parasitologica

2018

tom 63

nr 1

Ograniczanie wyników

3 Acta Parasitologica

2 Miquel J.

2 Swiderski Z.

1 Bakhoum A. J. S.

1 Conn D. B.

1 Kanarek G.

1 Mlocicki D.

1 Sitko J.

1 Tkach V. V.

1 Zalesny G.

1 2018

1 2017

1 2010

Wyniki wyszukiwania

The systematic position and structure of the genus Leyogonimus Ginetsinskaya, 1948 (Platyhelminthes: Digenea) with comments on the taxonomy of the superfamily Microphalloidea Ward, 1901

Ultrastructural studies on egg envelopes surrounding the miracidia of Mediogonimus jourdanei Mas-Coma et Rocamora, 1978 [Digenea, Microphalloidea, Prosthogonimidae]

Ultrastructure of digenean trematode eggs (Platyhelminthes: Neoophora): A review emphasizing new comparative data on four European Microphalloidea