http://scholars.ntou.edu.tw/handle/123456789/3849
標題: | On the genetic diversity of two species of the genus Ozobranchus (Hirudinida; Ozobranchidae) from the Atlantic and Pacific oceans | 作者: | C.-T. TSENG J-H. LEU I.-J. CHENG |
關鍵字: | LOGGERHEAD SEA-TURTLES;FISH LEECHES HIRUDINEA;CARETTA-CARETTA;CHELONIA-MYDAS;PHYLOGENY;PHYLOGEOGRAPHY;MIGRATIONS;CLITELLATA;MORPHOLOGY;SEQUENCES | 公開日期: | 六月-2018 | 出版社: | CAMBRIDGE UNIV PRESS | 卷: | 98 | 期: | 4 | 起(迄)頁: | 955-960 | 來源出版物: | J MAR BIOL ASSOC UK | 摘要: | There are two marine species in the genus Ozobranchus. Ozobranchus branchiatus mainly parasitizes green turtles and O. margoi parasitizes most turtle species. We used sequences for the mitochondrial cytochrome c oxidase subunit I gene (COI sequence analysis), along with morphological diagnosis, to compare the population genetic structures of O. branchiatus and O. margoi collected near Taiwan to those of their populations in the Atlantic. The results provide estimates of the genetic divergence between these leeches in the two regions. Ozobranchus branchiatus had a greater pairwise distance within Taiwan (0.0031-0.0141) than O. margoi (no differences). Phylogenetic tree analysis identified one O. branchiatus clade and one O. margoi clade in Taiwan. The better environmental adaptability and lower host specificity of O. margoi might result in lower genetic divergence among populations. |
URI: | http://scholars.ntou.edu.tw/handle/123456789/3849 | ISSN: | 0025-3154 | DOI: | 10.1017/S0025315416001958 |
顯示於: | 14 LIFE BELOW WATER |
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