EsturgeonV1, Main, Merge, bibRecord, 001995

Objective analysis of sperm motility in the lake sturgeon, Acipenser fulvescens: activation and inhibition conditions

Identifieur interne : 001995 ( Main/Merge ); précédent : 001994; suivant : 001996

Objective analysis of sperm motility in the lake sturgeon, Acipenser fulvescens: activation and inhibition conditions

Auteurs : G. P. Toth [États-Unis] ; A. Ciereszko [États-Unis, Pologne] ; S. A. Christ [États-Unis] ; K. Dabrowski [États-Unis]

Source :

Aquaculture : (Amsterdam) [ 0044-8486 ] ; 1997.

RBID : Pascal:98-0040210

Descripteurs français

Pascal (Inist)
- Motilité, Spermatozoïde, Activation, Inhibition, Sodium, Potassium, Poisson comestible, Lac, Acipenser fulvescens, Acipenseridae.
Wicri :
- topic : Sodium, Potassium, Lac.

English descriptors

KwdEn :
- Activation, Edible fish, Inhibition, Lakes, Motility, Potassium, Sodium, Spermatozoa.

Abstract

Copyright (c) 1997 Elsevier Science B.V. All rights reserved. An objective analysis of the duration of motility of sperm from the lake sturgeon, Acipenser fulvescens, has been performed using computer-assisted sperm motion analysis at 200 frames/s. Motility was measured in both 1993 and 1994. The percentage of activated motile sperm and their velocities ([1993] curvilinear velocity: 313 μm/s; straight-line velocity: 129 μm/s) were unchanged after 5 min in Tris/glycine buffer, pH 9.0, with 10 mM added Na⁺. Qualitative, visual measurements revealed motility lasting for 30 min in this medium. The percentage of motile cells, but not the velocities of the motile cells, was reduced by the addition of potassium to the Tris/glycine buffer. The percentage of motile sperm was inhibited by 50% at 0.5 mM added K⁺. Elemental analysis of seminal plasma revealed the following concentrations: P (3.02 mM); K (5.78 mM); Ca (0.16 mM); Mg (0.21 mM); Na (25.6 mM); Zn (0.76 μM); and Cl (5.41 mM). Differences between two years of milt collection were not significant. © 1997 Elsevier Science B.V.

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Pascal:98-0040210

Le document en format XML

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<term>Potassium</term>
<term>Sodium</term>
<term>Spermatozoa</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Motilité</term>
<term>Spermatozoïde</term>
<term>Activation</term>
<term>Inhibition</term>
<term>Sodium</term>
<term>Potassium</term>
<term>Poisson comestible</term>
<term>Lac</term>
<term>Acipenser fulvescens</term>
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<front><div type="abstract" xml:lang="en">Copyright (c) 1997  Elsevier Science B.V. All rights reserved. An objective analysis of the duration of motility of sperm from the lake sturgeon, Acipenser fulvescens, has been performed using computer-assisted sperm motion analysis at 200 frames/s. Motility was measured in both 1993 and 1994. The percentage of activated motile sperm and their velocities ([1993] curvilinear velocity: 313 μm/s; straight-line velocity: 129 μm/s) were unchanged after 5 min in Tris/glycine buffer, pH 9.0, with 10 mM added Na<sup>+</sup>
. Qualitative, visual measurements revealed motility lasting for 30 min in this medium. The percentage of motile cells, but not the velocities of the motile cells, was reduced by the addition of potassium to the Tris/glycine buffer. The percentage of motile sperm was inhibited by 50% at 0.5 mM added K<sup>+</sup>
. Elemental analysis of seminal plasma revealed the following concentrations: P (3.02 mM); K (5.78 mM); Ca (0.16 mM); Mg (0.21 mM); Na (25.6 mM); Zn (0.76 μM); and Cl (5.41 mM). Differences between two years of milt collection were not significant. © 1997 Elsevier Science B.V.</div>
</front>
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Objective analysis of sperm motility in the lake sturgeon, Acipenser fulvescens: activation and inhibition conditions

Objective analysis of sperm motility in the lake sturgeon, Acipenser fulvescens: activation and inhibition conditions

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri