About: Sperm morphology and biology in sturgeon

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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. (en)
Title	Sperm morphology and biology in sturgeon Sperm morphology and biology in sturgeon (en)
skos:prefLabel	Sperm morphology and biology in sturgeon Sperm morphology and biology in sturgeon (en)
skos:notation	RIV/60076658:12520/12:43883415!RIV13-AV0-12520___
http://linked.open...avai/predkladatel	Fakulta rybářství a ochrany vod
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/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)
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Alavi, Sayyed Mohammad Hadi Linhart, Otomar Gela, David Rodina, Marek Pšenička, Martin Li, Ping Hatef, Azadeh
http://linked.open.../riv/druhVysledku	C - Kapitola v knize
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Jihočeská univerzita v Českých Budějovicích / Fakulta rybářství a ochrany vod
http://linked.open...dnocenehoVysledku	170413
http://linked.open...ai/riv/idVysledku	RIV/60076658:12520/12:43883415
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Sperm velocity; Sperm motility; Sperm activation; Seminal plasma; Nucleus; Mitochondria; Flagellum; Acrosome reaction (en)
http://linked.open.../riv/klicoveSlovo	Sperm motility Seminal plasma Sperm velocity Nucleus Acrosome reaction Flagellum Sperm activation Mitochondria
http://linked.open...ontrolniKodProRIV	[A603579E2DF8]
http://linked.open...i/riv/mistoVydani	Tokyo, Japan
http://linked.open...vEdiceCisloSvazku	Neuveden
http://linked.open...i/riv/nazevZdroje	Sperm Cell Research in the 21st Century: Historical Discoveries to New Horizons
http://linked.open...in/vavai/riv/obor	GL
http://linked.open...ichTvurcuVysledku	7 (xsd:int)
http://linked.open...v/pocetStranKnihy	256 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...vavai/riv/projekt	Effect of endocrine disruptors on reproductive parameters and expression of selected genes in mouse gonads. Maturation and Ageing of Fish Spermatozoa: A Comparative Study Between Teleostean and Chondrostean Fish Species as Taxonomically Distant Models. Identification of epigenetic biomarkers of male germ cell disorders linked to adverse environmental factors South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses Fertilization process in sturgeon, function of acrosome and prevention of polyspermy Diversity of Bioenergetics Pathways, Membrane Functions, Signaling Mechanisms and Proteomics of Cryopreserved Sperm of Evolutionary Different Fish Species Application of Paddlefish Sex-reversal and Proteomics in Its Cryopreserved Sperm for Caviar Production
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Alavi, Sayyed Mohammad Hadi Gela, David Hulák, Martin Li, Ping Linhart, Otomar Pšenička, Martin Rodina, Marek Hatef, Azadeh
number of pages	13 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Adthree Publishing Co., Ltd.
https://schema.org/isbn	978-4-904419-37-3
http://localhost/t...ganizacniJednotka	12520
is http://linked.open...avai/riv/vysledek of	Sperm morphology and biology in sturgeon

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