Spermatozoa Chemotaxis: Difference between revisions
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==Sea Urchin Spermatozoa Chemotaxis== | ==Sea Urchin Spermatozoa Chemotaxis== | ||
Modern version of Lillie's historic 1902 sea urchin spermatozoa experiment.<ref><pubmed>17735765</pubmed></ref> | Modern version<ref><pubmed>23183693</pubmed>| [http://jgp.rupress.org/content/140/6/583.long J Gen Physiol.]</ref> of Lillie's historic 1902 sea urchin spermatozoa experiment.<ref><pubmed>17735765</pubmed></ref> | ||
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Release of resact with a UV flash induces accumulation of sperm in the illuminated area while an annulus around the flash becomes depleted of sperm. After several seconds, the gradient dissipates because of resact binding and diffusion. (text from figure legend) | Kaubb's 2012 experiment<ref><pubmed>23183693</pubmed>| [http://jgp.rupress.org/content/140/6/583.long J Gen Physiol.]</ref> - Release of resact with a UV flash induces accumulation of sperm in the illuminated area while an annulus around the flash becomes depleted of sperm. After several seconds, the gradient dissipates because of resact binding and diffusion. (text from figure legend) | ||
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===Reference=== | ===Reference=== | ||
<references/> | <references/> | ||
{{JCB}} | {{JCB}} | ||
[[Category:Spermatozoa]][[Category:Sea Urchin]] [[Category:MP4]] | [[Category:Spermatozoa]][[Category:Sea Urchin]] [[Category:MP4]] |
Revision as of 11:10, 23 August 2014
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<html5media height="550" width="512">File:Spermatozoa chemotaxis PMID23183693.mp4</html5media> |
Sea Urchin Spermatozoa ChemotaxisModern version[1] of Lillie's historic 1902 sea urchin spermatozoa experiment.[2]
Chemotaxis is the attractive movement of an organism in response to a chemical stimulus, usually toward or "up" the chemical concentration gradient.
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Reference
- ↑ <pubmed>23183693</pubmed>| J Gen Physiol.
- ↑ <pubmed>17735765</pubmed>
- ↑ <pubmed>23183693</pubmed>| J Gen Physiol.
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