| FENG Danqing,HUANG Ying,KE Caihuan,ZHOU Shiqiang,LI Shaojing. 2006. Settlement and metamorphosis of Styela canopus Savigny larvae in response to some neurotransmitters and thyroxin. Acta Oceanologica Sinica, (3):90－97 |
| Settlement and metamorphosis of Styela canopus Savigny larvae in response to some neurotransmitters and thyroxin |
| Settlement and metamorphosis of Styela canopus Savigny larvae in response to some neurotransmitters and thyroxin |
| Received:December 26, 2005 Revised:March 28, 2006 |
| DOI： |
| Key words:Styela canopus larvae settlement metamorphosis neurotransmitter thyroxin |
| 中文关键词: Styela canopus larvae settlement metamorphosis neurotransmitter thyroxin |
| 基金项目: |
| Author Name | Affiliation | E-mail | | FENG Danqing | Key State Laboratory of Marine Environmental Science, Xiamen University, Xiaman 361005, China
Department of Oceanography, Xiamen University, Xiamen 361005, China
Institute of Subtropic Oceanography, Xiamen University, Xiamen 361005, China | | | HUANG Ying | Key State Laboratory of Marine Environmental Science, Xiamen University, Xiaman 361005, China
Department of Oceanography, Xiamen University, Xiamen 361005, China
Institute of Subtropic Oceanography, Xiamen University, Xiamen 361005, China | | | KE Caihuan | Key State Laboratory of Marine Environmental Science, Xiamen University, Xiaman 361005, China
Department of Oceanography, Xiamen University, Xiamen 361005, China
Institute of Subtropic Oceanography, Xiamen University, Xiamen 361005, China | chke@jingxian.xmu.edu.cn | | ZHOU Shiqiang | Key State Laboratory of Marine Environmental Science, Xiamen University, Xiaman 361005, China
Department of Oceanography, Xiamen University, Xiamen 361005, China
Institute of Subtropic Oceanography, Xiamen University, Xiamen 361005, China | | | LI Shaojing | Key State Laboratory of Marine Environmental Science, Xiamen University, Xiaman 361005, China
Department of Oceanography, Xiamen University, Xiamen 361005, China
Institute of Subtropic Oceanography, Xiamen University, Xiamen 361005, China | |
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| Abstract: |
| The larvae of ascidian Styela canopus Savigny were treated with epinephrine, norepinephrine, L-DOPA, GABA and thyroxin to test the ability of these compounds to induce or inhibit larval settlement and metamorphosis. The results showed that epinephrine,norepinephrine and L-DOPA at the concentration of 1 μmol/dm3 induced larval settlement and metamorphosis in S. canopus, with short exposure (1 h) to 1 μmoL/dm3 of L-DOPA inducing rapid settlement. In contrast, GABA at the concentrations of 0.1~100.0 μmol/dm3 significantly inhibited the settlement and metamorphosis of S. canopus larvae. In addition, thyroxin at 1~50μg/dm3 had no effect on larval settlement and metamorphosis in S. canopus. These results suggest the importance of neurotransmitters in the settlement and metamorphosis of S. canopus larvae. |
| 中文摘要: |
| The larvae of ascidian Styela canopus Savigny were treated with epinephrine, norepinephrine, L-DOPA, GABA and thyroxin to test the ability of these compounds to induce or inhibit larval settlement and metamorphosis. The results showed that epinephrine,norepinephrine and L-DOPA at the concentration of 1 μmol/dm3 induced larval settlement and metamorphosis in S. canopus, with short exposure (1 h) to 1 μmoL/dm3 of L-DOPA inducing rapid settlement. In contrast, GABA at the concentrations of 0.1~100.0 μmol/dm3 significantly inhibited the settlement and metamorphosis of S. canopus larvae. In addition, thyroxin at 1~50μg/dm3 had no effect on larval settlement and metamorphosis in S. canopus. These results suggest the importance of neurotransmitters in the settlement and metamorphosis of S. canopus larvae. |
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