| ZHENG Lianming,LIN Yuanshao,LI Shaojing,CAO Wenqing,XU Zhenzu,HUANG Jiaqi. 2009. Aequorea taiwanensis n. sp. (Hydrozoa, Leptomedusae) and mtCOI sequence analysis for the genus Aequorea. Acta Oceanologica Sinica, (1):109－115 |
| Aequorea taiwanensis n. sp. (Hydrozoa, Leptomedusae) and mtCOI sequence analysis for the genus Aequorea |
| Aequorea taiwanensis n. sp. (Hydrozoa, Leptomedusae) and mtCOI sequence analysis for the genus Aequorea |
| Received:December 11, 2007 Revised:June 04, 2008 |
| DOI： |
| Key words:Aequorea new species Aequorea taiwanensis n.sp. mtCOI sequence analysis |
| 中文关键词: Aequorea new species Aequorea taiwanensis n.sp. mtCOI sequence analysis |
| 基金项目: |
| Author Name | Affiliation | E-mail | | ZHENG Lianming | Department of Oceanography, Xiamen University, Xiamen 361005, China | | | LIN Yuanshao | Department of Oceanography, Xiamen University, Xiamen 361005, China | yslin@xmu.edu.cn | | LI Shaojing | Department of Oceanography, Xiamen University, Xiamen 361005, China | | | CAO Wenqing | Department of Oceanography, Xiamen University, Xiamen 361005, China | | | XU Zhenzu | Department of Oceanography, Xiamen University, Xiamen 361005, China | | | HUANG Jiaqi | Department of Oceanography, Xiamen University, Xiamen 361005, China | |
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| Abstract: |
| Aequorea taiwanensis, a new hydrozoan species from the Taiwan Strait was described using morphological and molecular characteristics. Both morphological and mitochondrial cytochrome oxidase subunit I (mtCOI) data supported A. taiwanensis n. sp. as a valid species. Sequence divergence and genetic distance of A. taiwanensis n. sp., A. papillata and A. conica were analysed based on the mtCOI gene sequences. The mtCOI sequences from these three species of the genus Aequorea showed high variation frequency, with sequence divergences ran-ging from 9.10% to 11.9%, and pairwise genetic distances ranging from 0.097 to 0.130. MtCOI sequence analysis provided diagnostic molecular systematic characteristics for accurate identification and discrimination of the species of Aequorea or their populations, and will be used to resolve evolutionary relationships among them. It was suggested that 10% -20% pairwise mtCOI sequence differences indicated the species-level divergence among congeneric species in the Hydromedusae. |
| 中文摘要: |
| Aequorea taiwanensis, a new hydrozoan species from the Taiwan Strait was described using morphological and molecular characteristics. Both morphological and mitochondrial cytochrome oxidase subunit I (mtCOI) data supported A. taiwanensis n. sp. as a valid species. Sequence divergence and genetic distance of A. taiwanensis n. sp., A. papillata and A. conica were analysed based on the mtCOI gene sequences. The mtCOI sequences from these three species of the genus Aequorea showed high variation frequency, with sequence divergences ran-ging from 9.10% to 11.9%, and pairwise genetic distances ranging from 0.097 to 0.130. MtCOI sequence analysis provided diagnostic molecular systematic characteristics for accurate identification and discrimination of the species of Aequorea or their populations, and will be used to resolve evolutionary relationships among them. It was suggested that 10% -20% pairwise mtCOI sequence differences indicated the species-level divergence among congeneric species in the Hydromedusae. |
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