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Serotonin involvement in larval settlement of the barnacle,Balanus amphitrite

✍ Scribed by Yamamoto, Hisashi; Tachibana, Akiko; Kawaii, Satoru; Matsumura, Kiyotaka; Fusetani, Nobuhiro

Publisher: John Wiley and Sons
Year: 1996
Tongue: English
Weight: 911 KB
Volume: 275
Category: Article
ISSN: 0022-104X
DOI: 10.1002/(sici)1097-010x(19960801)275:5<339::aid-jez2>3.0.co;2-q

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✦ Synopsis

Following our previous report (Yamamoto et al. r19951 Zool. Sci., 12:391-396) in which we demonstrated that protein kinase C (PKC) plays an important role in larval metamorphosis of the barnacle Balanus amphitrite, we examined the effects of a range of neurotransmitters, including serotonin (5-hydro~ytryptamine)~ epinephrine, and norepinephrine on cyprid settlement and metamorphosis. Serotonin induced pronounced larval settlement. Furthermore, settlement was inhibited by neurotransmitter uptake blockers, such as amitriptyline, imipramine, and desipramine, in a concentration-dependent manner. Cyprids exposed to these uptake blockers metamorphosed without settling on substrata. These results suggest that serotonin is involved in larval settlement.

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