Chemical regulation of spawning in the zebra mussel (Dreissena polymorpha)
By: Jeffrey L. Ram and S. Jerrine Nichols
Edited by: Thomas F. Nalepa and Donald W. Schloesser
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Abstract
Previous literature suggests that spawning in bivalves is chemically regulated, both by environmental chemical cues and by internal chemical mediators. In a model proposed for zebra mussels, chemicals from phytoplankton initially trigger spawning, and chemicals associated with gametes provide further stimulus for spawning. The response to environmental chemicals is internally mediated by a pathway utilizing serotonin (5-hydroxytryptamine, a neurotransmitter), which acts directly on both male and female gonads. The role of serotonin and most other aspects of the model have been tested only on bivalves other than zebra mussels. The effect of serotonin on zebra mussel spawning was tested. Serotonin (10-5 and 10-3 M) injected into ripe males induced spawning, but injection of serotonin into females did not. Gametes were not released by 10-6 serotonin; in most cases, serotonin injection did not release gametes from immature recipients. Serotonin injection provides a reliable means for identifying ripe male zebra mussels and for obtaining zebra mussel sperm without the need for dissection.
Suggested Citation
Ram, J.L., Nichols, S.J., 1992, Chemical regulation of spawning in the zebra mussel (Dreissena polymorpha), chap. of Zebra mussels: Biology, impacts, and control, p. 307-314.
| Publication type | Book chapter |
|---|---|
| Publication Subtype | Book Chapter |
| Title | Chemical regulation of spawning in the zebra mussel (Dreissena polymorpha) |
| Year Published | 1992 |
| Language | English |
| Publisher | Lewis Publishers |
| Publisher location | Boca Raton, FL |
| Contributing office(s) | Great Lakes Science Center |
| Description | p. 307-314 |
| Larger Work Type | Book |
| Larger Work Subtype | Other Government Series |
| Larger Work Title | Zebra mussels: Biology, impacts, and control |
| First page | 307 |
| Last page | 314 |