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Title: Molecular phylogenetics of the mitten crab species in Eriocheir sensu lato (Brachyura: Grapsidae)
Authors: K. H. Chu;H. Y. Ho;C. P. Li;T-Y. Chan
Contributors: 國立臺灣海洋大學:海洋生物研究所
Date: 2003
Issue Date: 2018-04-11T03:11:40Z
Publisher: Journal of Crustacean Biology
Abstract: Abstract
Taxonomy of mitten crabs has been problematic and confusing. Eriocheir was considered to comprise four species (E. japonica, E. sinensis, E. recta, and E. leptognathus). However, recent taxonomic revision has recognized five species and three genera, Eriocheir being restricted to E. sinensis, E. japonica, and E. hepuensis, and the establishment of two genera for Neoeriocheir leptognathus and Platyeriocheir formosa. The present study analyzed the phylogeny of the species of Eriocheir, sensu lato, based on DNA sequence analysis of mitochondrial 16S rRNA, cytochrome
C oxidase I, and the first internal transcribed spacer of nuclear rRNA. The results show that the three Eriocheir, sensu stricto, species are genetically similar, indicating that they have recently radiated. Eriocheir formosa is the sister taxon of these three species, with E. leptognathus the most distantly related taxon within the group. These results support the affinities of the mitten crabs, but the genetic divergence among the crabs provides no support for separating Eriocheir, s. l., to three different genera. We suggest to retain the apparently monophyletic mitten crabs in a single genus until more evidence is available.
Relation: 23(3) pp.738-746
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/45796
Appears in Collections:[海洋生物研究所] 期刊論文

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