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Statements

Subject Item
n2:RIV%2F60077344%3A_____%2F13%3A00396382%21RIV14-AV0-60077344
rdf:type
n9:Vysledek skos:Concept
dcterms:description
Reinvestigation of vitellogenesis in the caryophyllidean cestode Caryophyllaeus laticeps (Pallas, 1781) has been performed using light microscope (LM) and transmission electron microscopy (TEM), and cytochemical staining with periodic acid-thiosemicarbazide-silver proteinate (PA-TSC-SP) for glycogen. Vitellogenesis is generally similar to that reported in the past, however, some new observations were made. The present study reveals the first evidence of: (i) interstitial tissue in the vitelline follicles, (ii) lipid droplets in maturing and mature vitellocytes from vitelline follicles, and (iii) lamellar bodies in vitellocytes from the vitelloduct in C. laticeps. Projections of interstitial tissue surround each vitellocyte and the follicle periphery. The perinuclear cytoplasm of the interstitial tissue contains granular endoplasmic reticulum and vesicles of various size and density. Cytoplasmic osmiophobic lipid droplets and lamellar bodies, previously believed to be absent in most caryophyllid cestodes, are readily apparent in vitellocytes of C. laticeps. The origin and presumed function of these inclusions are discussed. On the other hand, the formation and storage of massive amounts of glycogen in the nucleus and large amounts in the cytoplasm of mature vitelline cells are similar to the condition found in other caryophyllids. Results are compared and contrasted with previous studies on vitellogenesis in other monopleuroid cestodes (Amphilinidea and Gyrocotylidea) as well as polypleuroid cestodes (Spathebothriidea) and the remaining strobilated Eucestoda. Reinvestigation of vitellogenesis in the caryophyllidean cestode Caryophyllaeus laticeps (Pallas, 1781) has been performed using light microscope (LM) and transmission electron microscopy (TEM), and cytochemical staining with periodic acid-thiosemicarbazide-silver proteinate (PA-TSC-SP) for glycogen. Vitellogenesis is generally similar to that reported in the past, however, some new observations were made. The present study reveals the first evidence of: (i) interstitial tissue in the vitelline follicles, (ii) lipid droplets in maturing and mature vitellocytes from vitelline follicles, and (iii) lamellar bodies in vitellocytes from the vitelloduct in C. laticeps. Projections of interstitial tissue surround each vitellocyte and the follicle periphery. The perinuclear cytoplasm of the interstitial tissue contains granular endoplasmic reticulum and vesicles of various size and density. Cytoplasmic osmiophobic lipid droplets and lamellar bodies, previously believed to be absent in most caryophyllid cestodes, are readily apparent in vitellocytes of C. laticeps. The origin and presumed function of these inclusions are discussed. On the other hand, the formation and storage of massive amounts of glycogen in the nucleus and large amounts in the cytoplasm of mature vitelline cells are similar to the condition found in other caryophyllids. Results are compared and contrasted with previous studies on vitellogenesis in other monopleuroid cestodes (Amphilinidea and Gyrocotylidea) as well as polypleuroid cestodes (Spathebothriidea) and the remaining strobilated Eucestoda.
dcterms:title
Reinvestigation of vitellogenesis in Caryophyllaeus laticeps (Pallas, 1781) (Cestoda, Caryophyllidea, Caryophyllaeidae), monozoic tapeworm of Abramis brama (Pisces, Teleostei) Reinvestigation of vitellogenesis in Caryophyllaeus laticeps (Pallas, 1781) (Cestoda, Caryophyllidea, Caryophyllaeidae), monozoic tapeworm of Abramis brama (Pisces, Teleostei)
skos:prefLabel
Reinvestigation of vitellogenesis in Caryophyllaeus laticeps (Pallas, 1781) (Cestoda, Caryophyllidea, Caryophyllaeidae), monozoic tapeworm of Abramis brama (Pisces, Teleostei) Reinvestigation of vitellogenesis in Caryophyllaeus laticeps (Pallas, 1781) (Cestoda, Caryophyllidea, Caryophyllaeidae), monozoic tapeworm of Abramis brama (Pisces, Teleostei)
skos:notation
RIV/60077344:_____/13:00396382!RIV14-AV0-60077344
n9:predkladatel
n18:ico%3A60077344
n4:aktivita
n15:I
n4:aktivity
I
n4:cisloPeriodika
1
n4:dodaniDat
n7:2014
n4:domaciTvurceVysledku
n6:4481062
n4:druhVysledku
n14:J
n4:duvernostUdaju
n13:S
n4:entitaPredkladatele
n12:predkladatel
n4:idSjednocenehoVysledku
102108
n4:idVysledku
RIV/60077344:_____/13:00396382
n4:jazykVysledku
n17:eng
n4:klicovaSlova
Caryophyllidea; Caryophyllaeus laticeps; vitellogenesis; vitellocyte; ultrastructure
n4:klicoveSlovo
n11:ultrastructure n11:Caryophyllidea n11:vitellocyte n11:vitellogenesis n11:Caryophyllaeus%20laticeps
n4:kodStatuVydavatele
SK - Slovenská republika
n4:kontrolniKodProRIV
[C92CAB517D31]
n4:nazevZdroje
Helminthologia
n4:obor
n10:EA
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
4
n4:rokUplatneniVysledku
n7:2013
n4:svazekPeriodika
50
n4:tvurceVysledku
Drobníková, P. Mackiewicz, J. S. Bruňanská, M. Nebesářová, Jana
n4:wos
000318301500010
s:issn
0440-6605
s:numberOfPages
9
n16:doi
10.2478/s11687-013-0110-x