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Statements

Subject Item
n2:RIV%2F60076658%3A12520%2F12%3A43883415%21RIV13-AV0-12520___
rdf:type
skos:Concept n5:Vysledek
dcterms:description
Sperm morphology, acrosome reaction and motility are reviewed in sturgeon (Chondrostei, Acipenseriformes). The elongated head of spermatozoon comprises an acrosome with 8-12 posterolateral projections. Three endonuclear canals are observed in the head. Proximal and distal centrioles and 3-6 mitochondria are located in the midpiece. The flagellum consists of an axoneme with %229+2%22 structure of microtubules and presents a ribon-like structure fins. Egg water, Ca2+ and Mg2+ can trigger acrosome reaction. Protease activity is reported in sturgeon sperm that were identified as serine activity with 33kDa molecular mass and can be inhibited by their respective inhibitors. The K+ prevents sperm activation in seminal plasma, thus hypo-osmolality or decrease of extracellular K+ triggers sperm activation. Extracellular Ca2+ is involved in flagellar beating pattern and sperm velocity. After activation, sperm motility, velocity, and flagellar beating frequency, wavelength and amplitude decrease, while number of waves and curvature increase. Sperm morphology, acrosome reaction and motility are reviewed in sturgeon (Chondrostei, Acipenseriformes). The elongated head of spermatozoon comprises an acrosome with 8-12 posterolateral projections. Three endonuclear canals are observed in the head. Proximal and distal centrioles and 3-6 mitochondria are located in the midpiece. The flagellum consists of an axoneme with %229+2%22 structure of microtubules and presents a ribon-like structure fins. Egg water, Ca2+ and Mg2+ can trigger acrosome reaction. Protease activity is reported in sturgeon sperm that were identified as serine activity with 33kDa molecular mass and can be inhibited by their respective inhibitors. The K+ prevents sperm activation in seminal plasma, thus hypo-osmolality or decrease of extracellular K+ triggers sperm activation. Extracellular Ca2+ is involved in flagellar beating pattern and sperm velocity. After activation, sperm motility, velocity, and flagellar beating frequency, wavelength and amplitude decrease, while number of waves and curvature increase.
dcterms:title
Sperm morphology and biology in sturgeon Sperm morphology and biology in sturgeon
skos:prefLabel
Sperm morphology and biology in sturgeon Sperm morphology and biology in sturgeon
skos:notation
RIV/60076658:12520/12:43883415!RIV13-AV0-12520___
n5:predkladatel
n6:orjk%3A12520
n3:aktivita
n15:P
n3:aktivity
P(ED2.1.00/01.0024), P(GA523/09/1793), P(GAP502/11/0090), P(GAP503/12/1834), P(GPP502/10/P426), P(IAA608030801), P(ME10015)
n3:dodaniDat
n13:2013
n3:domaciTvurceVysledku
Hatef, Azadeh n14:6919707 n14:9895744 Li, Ping n14:3624900 n14:1593579 n14:5876001
n3:druhVysledku
n20:C
n3:duvernostUdaju
n12:S
n3:entitaPredkladatele
n21:predkladatel
n3:idSjednocenehoVysledku
170413
n3:idVysledku
RIV/60076658:12520/12:43883415
n3:jazykVysledku
n18:eng
n3:klicovaSlova
Sperm velocity; Sperm motility; Sperm activation; Seminal plasma; Nucleus; Mitochondria; Flagellum; Acrosome reaction
n3:klicoveSlovo
n4:Sperm%20velocity n4:Mitochondria n4:Sperm%20motility n4:Acrosome%20reaction n4:Flagellum n4:Seminal%20plasma n4:Nucleus n4:Sperm%20activation
n3:kontrolniKodProRIV
[A603579E2DF8]
n3:mistoVydani
Tokyo, Japan
n3:nazevEdiceCisloSvazku
Neuveden
n3:nazevZdroje
Sperm Cell Research in the 21st Century: Historical Discoveries to New Horizons
n3:obor
n10:GL
n3:pocetDomacichTvurcuVysledku
7
n3:pocetStranKnihy
256
n3:pocetTvurcuVysledku
8
n3:projekt
n9:ED2.1.00%2F01.0024 n9:GPP502%2F10%2FP426 n9:GA523%2F09%2F1793 n9:GAP503%2F12%2F1834 n9:IAA608030801 n9:GAP502%2F11%2F0090 n9:ME10015
n3:rokUplatneniVysledku
n13:2012
n3:tvurceVysledku
Gela, David Hatef, Azadeh Alavi, Sayyed Mohammad Hadi Rodina, Marek Hulák, Martin Pšenička, Martin Linhart, Otomar Li, Ping
s:numberOfPages
13
n7:hasPublisher
Adthree Publishing Co., Ltd.
n19:isbn
978-4-904419-37-3
n16:organizacniJednotka
12520