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Morphology and ultrastructure of beluga (Huso huso) spermatozoa and a comparison with related sturgeons
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SYSNO ASEP 0396994 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Morphology and ultrastructure of beluga (Huso huso) spermatozoa and a comparison with related sturgeons Author(s) Linhartová, Z. (CZ)
Rodina, M. (CZ)
Nebesářová, Jana (BC-A) RID, ORCID
Cosson, J. (CZ)
Pšenička, M. (CZ)Source Title Animal Reproduction Science. - : Elsevier - ISSN 0378-4320
Roč. 137, 3-4 (2013), s. 220-229Number of pages 10 s. Publication form Print - P Language eng - English Country NL - Netherlands Keywords beluga ; strugeon ; spermatozoon ; electron microscopy ; acrosome ; flagellum Subject RIV EA - Cell Biology Institutional support BC-A - RVO:60077344 UT WOS 000316511700012 DOI 10.1016/j.anireprosci.2013.01.003 Annotation 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. Workplace Biology Centre (since 2006) Contact Dana Hypšová, eje@eje.cz, Tel.: 387 775 214 Year of Publishing 2014
Number of the records: 1