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Keywords: sperm motility
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Journal Articles
J Exp Biol (2022) 225 (9): jeb243715.
Published: 9 May 2022
.... Summary: A reduced diet quality in the zebra finch shortens the sperm midpiece but other sperm traits are unaffected. Sperm Ejaculate Condition dependence Zebra finch Sperm motility Australian Research Council http://dx.doi.org/10.13039/501100000923 DP170103619 Macquarie...
Includes: Supplementary data
Journal Articles
J Exp Biol (2012) 215 (4): 630–641.
Published: 15 February 2012
...Gen L. Takei; Chinatsu Mukai; Makoto Okuno SUMMARY Salmonid fish sperm motility is known to be suppressed in millimolar concentrations of extracellular K + , and dilution of K + upon spawning triggers cAMP-dependent signaling for motility initiation. In a previous study, however, we demonstrated...
Journal Articles
J Exp Biol (2007) 210 (22): 4053–4064.
Published: 15 November 2007
...Daniel White; Eve de Lamirande; Claude Gagnon SUMMARY Numerous kinases and phosphatases are most likely implicated in sperm motility initiation and maintenance. Data on these signaling molecules were mostly obtained from studies conducted on in vitro demembranated–reactivated sperm models...
Journal Articles
J Exp Biol (2006) 209 (21): 4230–4237.
Published: 1 November 2006
...Helena Elofsson; Katrien J. W. Van Look; Kristina Sundell; Henrik Sundh; Bertil Borg SUMMARY Sperm of the three-spined stickleback Gasterosteus aculeatus display a prolonged motility in the presence of ovarian fluid. The ovarian fluid prolongs sperm motility in freshwater from approximately 1 min...
Journal Articles
J Exp Biol (2006) 209 (8): 1560–1572.
Published: 15 April 2006
... selection, thereby explaining why laboratory tests of sperm function, performed on whole ejaculates, are unable to account for the boar-specific skewing effects. We have previously shown that boar sperm motility is highly stimulated by bicarbonate, a naturally abundant component of oviductal fluid. Using...
Journal Articles
J Exp Biol (2005) 208 (23): 4549–4556.
Published: 1 December 2005
... in the presence of K + induced the initiation of motility even though a large amount of K + was present. Another organic alcohol, erythritol(CH 2 OH(CHOH) 2 CH 2 OH), had a similar effect,but ethylene glycol (CH 2 OHCH 2 OH) did not initiate sperm motility. Furthermore, this glycerol-treated sperm showed motility...
Journal Articles
J Exp Biol (2004) 207 (2): 337–345.
Published: 15 January 2004
...Masaya Morita; Akihiro Takemura; Makoto Okuno SUMMARY Euryhaline tilapia Oreochromis mossambicus can reproduce in freshwater and in seawater. Regulation of sperm motility appears to be modulated during acclimation of the fish from freshwater to seawater, being independent of extracellular Ca 2...
Journal Articles
J Exp Biol (2003) 206 (5): 913–921.
Published: 1 March 2003
...M. Morita; A. Takemura; M. Okuno SUMMARY Euryhaline tilapia Oreochromis mossambicus acclimates to the external spawning environment by modulating its mechanism for regulating sperm motility. Adaptation of sperm was performed by acclimating fish in various environments. In this paper, regulatory...