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Induction of larval metamorphosis in the sea cucumber Apostichopus japonicus by neurotransmitters

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Title: Induction of larval metamorphosis in the sea cucumber Apostichopus japonicus by neurotransmitters
Authors: Matsuura, Hiroshi Browse this author
Yazaki, Ikuko Browse this author
Okino, Tatsufumi Browse this author →KAKEN DB
Keywords: Doliolaria larva
Dopamine
L-DOPA
Metamorphosis
Pentactula larva
Issue Date: May-2009
Publisher: Springer Japan
Journal Title: Fisheries Science
Volume: 75
Issue: 3
Start Page: 777
End Page: 783
Publisher DOI: 10.1007/s12562-009-0098-9
Abstract: Larval metamorphosis inducers of the sea cucumber Apostichopus japonicus were screened from physiologically active compounds. Doliolaria larvae completed their metamorphosis to juveniles in 120 hours when treated with 5-10 μM of dopamine and L-DOPA, and 50 μM of L-adrenaline and L-noradrenaline. Doliolaria larvae had to be exposed to dopamine or L-DOPA for at least 24 h. D1-like dopamine receptor antagonists SKF87566 and LE300 (10 μM) inhibited metamorphosis by dopamine. However, the D2-like dopamine receptor antagonists sulpiride and nemonapride (10 μM) did not inhibit the effect of dopamine. The results suggest that D1-like dopamine receptors are involved in larval metamorphosis of the sea cucumber A. japonicus.
Rights: © 2009 公益社団法人日本水産学会
© 2009 The Japanese Society of Fisheries Science
The final publication is available at www.springerlink.com
Type: article (author version)
URI: http://hdl.handle.net/2115/38573
Appears in Collections:環境科学院・地球環境科学研究院 (Graduate School of Environmental Science / Faculty of Environmental Earth Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 沖野 龍文

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