Journal
BIOFOULING
Volume 27, Issue 2, Pages 193-199Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/08927014.2011.553717
Keywords
Mytilus galloprovincialis; larval metamorphosis; inhibitor; adrenergic antagonists; tetraethylammonium chloride; antifouling
Funding
- Shanghai Rising-Star Program [10QA1403200]
- Shanghai Municipal Education Commission [09CG54]
- Shanghai Education Development Foundation
- Special Research Funds for Selection and Cultivation of Outstanding Young Teachers of Shanghai Universities [SSC09002]
- Shanghai Ocean University
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The metamorphic response of pediveliger larvae of Mytilus galloprovincialis to the neurotransmitter blockers chlorpromazine, amitriptyline, rauwolscine, idazoxan, atenolol and butoxamine, and to tetraethylammonium chloride (TEA) was investigated through a series of bioassays. Chlorpromazine, amitriptyline and idazoxin inhibited larval metamorphosis induced by 10-4 M epinephrine. The concentration that inhibited metamorphosis by 50% (IC50) for chlorpromazine and amitriptyline was 1.6 x 10-6 M and 6.6 x 10-5 M, respectively. Idazoxan was less effective with an IC50 of 4.4 x 1013 M. Moreover, these three inhibitors showed no toxicity at any of the concentrations tested. The larval metamorphic response to K+ was not inhibited by 10-3 M tetraethylammonium chloride after 96h. Thus, the neurotransmitter blockers chlorpromazine and amitriptyline are inhibitors of larval metamorphosis, and will be useful tools for antifouling studies.
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