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Statements

Subject Item
n2:RIV%2F60076658%3A12520%2F12%3A43883482%21RIV13-AV0-12520___
rdf:type
skos:Concept n12:Vysledek
dcterms:description
Spermatozoa morphology and fine structure were studied in the Russian sturgeon, Acipenser gueldenstaedtii (Acipenseridae, Chondrostei) spermatozoon using scanning and transmission electron microscopy. The spermatozoon is composed of an elongated head (length: 6.84 +/- 0.04 mu m) with an acrosome (1.18 +/- 0.01 mu m length and 1.05 +/- 0.01 mu m width), a cylindrical midpiece (length: 1.64 +/- 0.03 mu m) and a flagellum (length: 49.42 +/- 0.37 mu m). Eleven to 12 postero-lateral projections (length: 0.65 +/- 0.02 mu m) were observed at the posterior edge of the acrosome. Three endonuclear canals was observed from the acrosome to the implantation fossa. In the midpiece, 46 mitochondria were observed as well as (i) a proximal centriole close to the implantation fossa and (ii) a distal centriole at the base of the axoneme. The flagellum consisted of nine peripheral microtubules and a central pair surrounded by the plasma membrane, which was extended while developing a pair of lateral fins along it. Inter-individual differences in morphological dimensions of spermatozoa were detected. Principal component analysis performed on morphological parameters revealed 74.08% of the variance for the first three components. The acrosome width, midpiece length and posterior width of midpiece were correlated with component 1, flagellar length and total length with component 2, and head length, anterior width of head, posterior width of head and anterior width of midpiece with component 3. Inter-species comparisons in Acipenseridae showed differences in morphological dimensions of spermatozoa. In this context, acrosome, head and midpiece dimensions in the Russian sturgeon were similar to those of Shortnose sturgeon, white sturgeon and Persian sturgeon. Length of the flagellum and total length of spermatozoon in the Russian sturgeon showed similarity to those of Lake sturgeon and Persian sturgeon. Spermatozoa morphology and fine structure were studied in the Russian sturgeon, Acipenser gueldenstaedtii (Acipenseridae, Chondrostei) spermatozoon using scanning and transmission electron microscopy. The spermatozoon is composed of an elongated head (length: 6.84 +/- 0.04 mu m) with an acrosome (1.18 +/- 0.01 mu m length and 1.05 +/- 0.01 mu m width), a cylindrical midpiece (length: 1.64 +/- 0.03 mu m) and a flagellum (length: 49.42 +/- 0.37 mu m). Eleven to 12 postero-lateral projections (length: 0.65 +/- 0.02 mu m) were observed at the posterior edge of the acrosome. Three endonuclear canals was observed from the acrosome to the implantation fossa. In the midpiece, 46 mitochondria were observed as well as (i) a proximal centriole close to the implantation fossa and (ii) a distal centriole at the base of the axoneme. The flagellum consisted of nine peripheral microtubules and a central pair surrounded by the plasma membrane, which was extended while developing a pair of lateral fins along it. Inter-individual differences in morphological dimensions of spermatozoa were detected. Principal component analysis performed on morphological parameters revealed 74.08% of the variance for the first three components. The acrosome width, midpiece length and posterior width of midpiece were correlated with component 1, flagellar length and total length with component 2, and head length, anterior width of head, posterior width of head and anterior width of midpiece with component 3. Inter-species comparisons in Acipenseridae showed differences in morphological dimensions of spermatozoa. In this context, acrosome, head and midpiece dimensions in the Russian sturgeon were similar to those of Shortnose sturgeon, white sturgeon and Persian sturgeon. Length of the flagellum and total length of spermatozoon in the Russian sturgeon showed similarity to those of Lake sturgeon and Persian sturgeon.
dcterms:title
Morphology and fine structure of the Russian sturgeon, Acipenser gueldenstaedtii (Acipenseridae, Chondrostei) spermatozoa Morphology and fine structure of the Russian sturgeon, Acipenser gueldenstaedtii (Acipenseridae, Chondrostei) spermatozoa
skos:prefLabel
Morphology and fine structure of the Russian sturgeon, Acipenser gueldenstaedtii (Acipenseridae, Chondrostei) spermatozoa Morphology and fine structure of the Russian sturgeon, Acipenser gueldenstaedtii (Acipenseridae, Chondrostei) spermatozoa
skos:notation
RIV/60076658:12520/12:43883482!RIV13-AV0-12520___
n12:predkladatel
n13:orjk%3A12520
n3:aktivita
n8:S n8:P
n3:aktivity
P(ED2.1.00/01.0024), P(GA523/09/1793), P(GAP502/11/0090), P(IAA608030801), P(LC06073), P(ME10015), S
n3:cisloPeriodika
6
n3:dodaniDat
n17:2013
n3:domaciTvurceVysledku
Hatef, Azadeh n6:6919707 n6:1593579 n6:5876001
n3:druhVysledku
n11:J
n3:duvernostUdaju
n20:S
n3:entitaPredkladatele
n10:predkladatel
n3:idSjednocenehoVysledku
151844
n3:idVysledku
RIV/60076658:12520/12:43883482
n3:jazykVysledku
n15:eng
n3:klicovaSlova
RUTHENUS; TELEOSTEI; PARAMETERS; L.; BAERII; MOTILITY; TRANSMISSION ELECTRON-MICROSCOPY; NORTH-AMERICAN STURGEONS; SPERM-CELL ULTRASTRUCTURE
n3:klicoveSlovo
n9:MOTILITY n9:TELEOSTEI n9:BAERII n9:PARAMETERS n9:NORTH-AMERICAN%20STURGEONS n9:L. n9:TRANSMISSION%20ELECTRON-MICROSCOPY n9:RUTHENUS n9:SPERM-CELL%20ULTRASTRUCTURE
n3:kodStatuVydavatele
DE - Spolková republika Německo
n3:kontrolniKodProRIV
[E09F04772A34]
n3:nazevZdroje
Journal of Applied Ichthyology
n3:obor
n5:GL
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
4
n3:projekt
n7:ED2.1.00%2F01.0024 n7:IAA608030801 n7:GAP502%2F11%2F0090 n7:LC06073 n7:ME10015 n7:GA523%2F09%2F1793
n3:rokUplatneniVysledku
n17:2012
n3:svazekPeriodika
28
n3:tvurceVysledku
Linhart, Otomar Alavi, Sayyed Mohammad Hadi Hatef, Azadeh Rodina, Marek
n3:wos
000310976600023
s:issn
0175-8659
s:numberOfPages
6
n18:doi
10.1111/jai.12056
n16:organizacniJednotka
12520