Postspawning Destruction of Male Gametes in Polycyclic and Monocyclic Bony Fishes: Pointhead Flounder, Cleisthenes herzensteini Schmidt (Pleuronectidae) and Chum Salmon, Oncorhynchus keta Walbaum (Salmonidae)

Postspawning Destruction of Male Gametes in Polycyclic and Monocyclic Bony Fishes: Pointhead... The process of the destruction of nonreleased spermatozoa was studied using TEM in the postspawning gonads of the chum salmon Oncorhynchus keta and the pointhead flounder Cleisthenes herzensteini, as representatives of monocyclic and polycyclic fishes respectively. It was shown that in both species residual sperm cells are destroyed through fragmentation of chromatin and the entire cell. It is supposed that the process of destruction in this case is connected with autolytic disintegration known in some multicellular animals, but never described for Teleostei. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Marine Biology Springer Journals

Postspawning Destruction of Male Gametes in Polycyclic and Monocyclic Bony Fishes: Pointhead Flounder, Cleisthenes herzensteini Schmidt (Pleuronectidae) and Chum Salmon, Oncorhynchus keta Walbaum (Salmonidae)

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Publisher
Springer Journals
Copyright
Copyright © 2005 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Freshwater & Marine Ecology
ISSN
1063-0740
eISSN
1608-3377
D.O.I.
10.1007/s11179-005-0052-3
Publisher site
See Article on Publisher Site

Abstract

The process of the destruction of nonreleased spermatozoa was studied using TEM in the postspawning gonads of the chum salmon Oncorhynchus keta and the pointhead flounder Cleisthenes herzensteini, as representatives of monocyclic and polycyclic fishes respectively. It was shown that in both species residual sperm cells are destroyed through fragmentation of chromatin and the entire cell. It is supposed that the process of destruction in this case is connected with autolytic disintegration known in some multicellular animals, but never described for Teleostei.

Journal

Russian Journal of Marine BiologySpringer Journals

Published: May 16, 2005

References

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