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Statements

Subject Item
n2:RIV%2F60077344%3A_____%2F13%3A00396994%21RIV14-AV0-60077344
rdf:type
n16:Vysledek skos:Concept
dcterms:description
The ultrastructure and morphology of beluga spermatozoa (Huso huso) (Acipenseridae, Chondrostei) were studied by scanning and transmission electron microscopy. Spermatozoa of 51.27 4.71 μm total length (mean SD) were typical of sturgeon and paddlefish spermatozoa. Each consisted of an elongated nucleus (length: 5.84 0.46 μm) with distinct acrosome, a cylindrical midpiece (length: 2.10 0.42 μm), and a single flagellum (length: 42.21 3.82 μm). The acrosome was umbrella shaped (length: 1.12 0.14 μm, width: 0.87 0.10 μm) with seven to nine posterolateral projections (length: 0.49 0.09 μm). Three endonuclear canals, spirally arranged, traversed the nucleus length from the acrosome to the implantation fossa. The flagellum comprised an axoneme with the typical 9+2 organization of microtubules. Two flat fins were present along the flagellum parallel to the plane of the central doublet of microtubules. These fins arose at different positions, 0.57 0.30 and 4.06 1.32 μm from the midpiece and terminated 4.18 1.09 and 4.92 1.34 μm from the distal end of the flagellum. Principal component analysis revealed spermatozoan ultrastructure and morphology were similar among sturgeon species, and, although assigned to genus Huso, beluga may be closely related to the genus Acipenser. The ultrastructure and morphology of beluga spermatozoa (Huso huso) (Acipenseridae, Chondrostei) were studied by scanning and transmission electron microscopy. Spermatozoa of 51.27 4.71 μm total length (mean SD) were typical of sturgeon and paddlefish spermatozoa. Each consisted of an elongated nucleus (length: 5.84 0.46 μm) with distinct acrosome, a cylindrical midpiece (length: 2.10 0.42 μm), and a single flagellum (length: 42.21 3.82 μm). The acrosome was umbrella shaped (length: 1.12 0.14 μm, width: 0.87 0.10 μm) with seven to nine posterolateral projections (length: 0.49 0.09 μm). Three endonuclear canals, spirally arranged, traversed the nucleus length from the acrosome to the implantation fossa. The flagellum comprised an axoneme with the typical 9+2 organization of microtubules. Two flat fins were present along the flagellum parallel to the plane of the central doublet of microtubules. These fins arose at different positions, 0.57 0.30 and 4.06 1.32 μm from the midpiece and terminated 4.18 1.09 and 4.92 1.34 μm from the distal end of the flagellum. Principal component analysis revealed spermatozoan ultrastructure and morphology were similar among sturgeon species, and, although assigned to genus Huso, beluga may be closely related to the genus Acipenser.
dcterms:title
Morphology and ultrastructure of beluga (Huso huso) spermatozoa and a comparison with related sturgeons Morphology and ultrastructure of beluga (Huso huso) spermatozoa and a comparison with related sturgeons
skos:prefLabel
Morphology and ultrastructure of beluga (Huso huso) spermatozoa and a comparison with related sturgeons Morphology and ultrastructure of beluga (Huso huso) spermatozoa and a comparison with related sturgeons
skos:notation
RIV/60077344:_____/13:00396994!RIV14-AV0-60077344
n16:predkladatel
n18:ico%3A60077344
n3:aktivita
n10:I n10:S n10:P
n3:aktivity
I, P(ED2.1.00/01.0024), P(GPP502/10/P426), S
n3:cisloPeriodika
3-4
n3:dodaniDat
n15:2014
n3:domaciTvurceVysledku
n19:4481062
n3:druhVysledku
n8:J
n3:duvernostUdaju
n4:S
n3:entitaPredkladatele
n9:predkladatel
n3:idSjednocenehoVysledku
89592
n3:idVysledku
RIV/60077344:_____/13:00396994
n3:jazykVysledku
n17:eng
n3:klicovaSlova
beluga; strugeon; spermatozoon; electron microscopy; acrosome; flagellum
n3:klicoveSlovo
n7:flagellum n7:electron%20microscopy n7:strugeon n7:beluga n7:acrosome n7:spermatozoon
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[5689B6A7DA8B]
n3:nazevZdroje
Animal Reproduction Science
n3:obor
n12:EA
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
5
n3:projekt
n13:ED2.1.00%2F01.0024 n13:GPP502%2F10%2FP426
n3:rokUplatneniVysledku
n15:2013
n3:svazekPeriodika
137
n3:tvurceVysledku
Linhartová, Z. Pšenička, M. Nebesářová, Jana Rodina, M. Cosson, J.
n3:wos
000316511700012
s:issn
0378-4320
s:numberOfPages
10
n14:doi
10.1016/j.anireprosci.2013.01.003