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Wyświetlanie 1-7 z 7
Tytuł:
Badania rozwoju embrionalnego tasiemca Mosgovoyia ctenoides [Anoplocephalidae]
Embryonic development of the cestode Mosgovoyia ctenoides [Anoplocephalidae]
Autorzy:
Mlocicki, D
Powiązania:
https://bibliotekanauki.pl/articles/837592.pdf
Data publikacji:
2007
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
Anoplocephalidae
parazytologia
Mosgovoyia ctenoides
pasozyty
embriogeneza
tasiemce
Źródło:
Annals of Parasitology; 2007, 53, 2; 153-155
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Badania rozwoju embrionalnego tasiemca Mosgovoyia ctenoides [Anoplocephalidae]
Embryonic development of the cestode Mosgovoyia ctenoides [Anoplocephalidae]
Autorzy:
Młocicki, D.
Powiązania:
https://bibliotekanauki.pl/articles/2143858.pdf
Data publikacji:
2007
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
Anoplocephalidae
parazytologia
Mosgovoyia ctenoides
pasozyty
embriogeneza
tasiemce
Opis:
In this study the cleavage divisions and the ultrastructural analysis of early embryos as well as cellular organisation of infective oncosphere of the anoplocephalid cestode Mosgovoyia ctenoides are described. The early cleavage is unequal and results in the formation of three types of blastomeres: 2 large macromeres containing large electron dense granules, 3 medium−size mesomeres and several small micromeres. In the early stage of oncospheral morphogenesis, formation of three following primary embryonic envelopes takes place: (1) the capsule replaced by thick, rigid outer coat originated form the uterine material secretion, (2) the outer envelope and (3) the inner envelope. The capsule is formed from the vitellocyte material. Two macromeres contribute to the formation of the outer envelope and three mesomeres take part in the formation of the inner envelope. The inner envelope undergoes differentiation into three sublayers: (1) a thick extraembryophoral cytoplasmic layer, (2) an electron−dense embryophore, as a stiff pyriform apparatus, and (3) a thin intraembryophoral cytoplasmic layer containing mesomere nuclei. The oncosphere is located in the extended cupule−like part of the pyriform apparatus. Four egg envelopes surround the mature infective oncosphere of M. ctenoides: (1) a thick outer coat, (2) the outer envelope, (3) the inner envelope with a characteristic pyriform apparatus and (4) the oncospheral membrane. Hook morphogenesis takes place inside six symmetrically arranged oncoblasts, each of which shows a characteristic large nucleus of semi−lunar shape. At the beginning the „hook−forming center” appears in the cytoplasmic part of each oncoblast. It consists of numerous free ribosomes, polyribosomes, mitochondria and Golgi complexes. The hook−forming center is involved in synthesis of a hook primordium, which undergoes differentiation and elongation into the fully developed hook. Mature hook consists of three parts: (1) blade, (2) shank, (3) base, and at the site of its protrusion from the oncosphere, is surrounded by a circular septate junction. Wide bands of hook muscles are attached to the basal and collar parts of the hook. The hook blades project outside the oncospheral body into a large cavity that is delimited by the hook region membrane. In the fully developed oncosphere of M. ctenoides three pairs of oncospheral hooks together with specialized hook muscles form a complex of „hook muscle system”, responsible for coordinated hook action. The surface of the infective oncosphere is covered by a thin cytoplasmic layer of oncospheral tegument connected with the so−called "binucleate subtegumental cell", situated deeper in the oncospheral body. Below the cytoplasmic layer are situated wide bands of the somatic musculature responsible for oncospheral body movements. Five major types of oncospheral cells have been distinguished in the infective oncosphere: (1) a binucleate subtegumental cell, (2) a binucleate penetration gland, (3) two nerve cells, (4) numerous somatic cells, and (5) six germinative cells. During development of the oncosphere, changes in the concentration of glycogen and number of lipid droplets were observed. In the early embryos glycogen particles were most abundant in the macromere cytoplasm, whereas in micromeres concentration of glycogen was observed to be lower. In the course of the differentiation of the oncospheral envelopes glycogen was progressively distributed to other parts of the developing embryo. Simultaneously, a great increase in the number of lipid droplets was detected. However, during the preoncospheral phase of development a progressive reduction of lipid droplets was observed. This may indicate that lipids play a role of the energy source for developing oncosphere.
Źródło:
Wiadomości Parazytologiczne; 2007, 53, 2; 153-155
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Proteomic analysis of Hymenolepis diminuta (Cestoda) cysticercoid larvae - an insight into the biology of invasion
Autorzy:
Sulima, A.
Bien, J.
Mlocicki, D.
Powiązania:
https://bibliotekanauki.pl/articles/6618.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
proteomic analysis
Hymenolepis diminuta
Cestoda
cysticercoid
larva
invasion
parasitism
Źródło:
Annals of Parasitology; 2016, 62, Suppl.
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Immunogenic proteins in the somatic proteome of the adult cestode Hymenolepis diminuta - a proteomic approach
Autorzy:
Mlocicki, D.
Bien, J.
Salamatin, R.
Sulima, A.
Powiązania:
https://bibliotekanauki.pl/articles/6559.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
immunogenic protein
cestode
Hymenolepis diminuta
parasite
proteomics
Źródło:
Annals of Parasitology; 2016, 62, Suppl.
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ultrastructure of the tegument of the anoplocephalid cestode Mosgovoyia ctenoides [Railliet, 1890] Beveridge, 1978
Autorzy:
Mlocicki, D.
Eira, C.
Zebrowska, J.
Miquel, J.
Swiderski, Z.
Powiązania:
https://bibliotekanauki.pl/articles/839567.pdf
Data publikacji:
2004
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
parasite
Cestoda
anoplocephalid cestode
tegument
ultrastructure
Mosgovoyia ctenoides
Anoplocephalidae
Źródło:
Annals of Parasitology; 2004, 50, 3
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ultrastructure of the tegument of the anoplocephalid cestode Mosgovoyia ctenoides [Railliet, 1890] Beveridge, 1978
Autorzy:
Młocicki, D.
Eira, C.
Żebrowska, J.
Miquel, J.
Świderski, Z.
Powiązania:
https://bibliotekanauki.pl/articles/2147557.pdf
Data publikacji:
2004
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
parasite
Cestoda
anoplocephalid cestode
tegument
ultrastructure
Mosgovoyia ctenoides
Anoplocephalidae
Opis:
The tegument of the mature proglottids of M. ctenoides was examined by means of TEM. The tegument of this species consists of two layers: (1) the external cytoplasm, and (2) the tegumental perikarya situated in the cortical parenchyma. The tegument surface is covered by typical microtriches. The anucleated external layer of cytoplasm is rich in vesicles of different shape and electron-density, but it lacks mitochondria. Large pore canals penetrate the external cytoplasmic layer. This layer is separated from the perikarya by a basal lamina, being connected with the tegument cell bodies by cytoplasmic bridges. The granular cytoplasm of perikarya contains typical cell organelles such as mitochondria, GER, Golgi complexes, free rybosomes, numerous vesicles and lipid droplets inclusions. The large nuclei of the perikarya with prominent nucleoli frequently contain large intranuclear, highly osmiophilic lipid droplets.
Źródło:
Wiadomości Parazytologiczne; 2004, 50, 3; 579-585
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Genotype characterisation of Blastocystis isolates from Polish patients - preliminary results
Autorzy:
Salamatin, R.
Kaczmarek, A.
Rozej-Bielicka, W.
Cielecka, D.
Janczak, D.
Lewicki, A.
Wesolowska, M.
Mlocicki, D.
Golab, E.
Powiązania:
https://bibliotekanauki.pl/articles/5914.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
genotype
Blastocystis
isolate
DNA extraction
Polish patient
patient
human disease
Źródło:
Annals of Parasitology; 2016, 62, Suppl.
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-7 z 7

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