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A preliminary study on origin of Callosciurus squirrels introduced into Japan OAK
Oshida, Tatsuo; Torii, Harumi; Lin, Liang-Kong; Lee, Jen-Kai; Chen, Yean-Jen; Endo, Hideki; Sasaki, Motoki; 押田, 龍夫; 佐々木, 基樹.
To examine the origin of Callosciurus erythraeus introduced to Japan, we compared mitochondrial DNA control region sequences of eight haplotypes from Japan with those of 42 haplotypes from Taiwan. There were two distinct phylogroups in Japan. Six haplotypes from Japan were included in the Taiwan population, suggesting that they could have been introduced from Taiwan. Two haplotypes, however, were distantly related to the cluster consisting of all Taiwanese haplotypes and six Japanese haplotypes. The uncorrected genetic distances (5.2-5.7%) between these two haplotypes and the out-group (Callosciurus finlaysonii from Laos) were less than those (8.3-9.8%) between these two haplotypes and the cluster consisting of the other six Japanese haplotypes and all...
Palavras-chave: Alien squirrel; Callosciurus erythraeus; Callosciurus finlaysonii; Mitochondrial DNA control region; Taiwan.
Ano: 2007 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/3039
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Molecular assessment of the phylogeny and biogeography of a recently diversified endemic group of South American canids (Mammalia: Carnivora: Canidae) Genet. Mol. Biol.
Tchaicka,Ligia; Freitas,Thales Renato Ochotorena de; Bager,Alex; Vidal,Stela Luengos; Lucherini,Mauro; Iriarte,Agustín; Novaro,Andres; Geffen,Eli; Garcez,Fabricio Silva; Johnson,Warren E.; Wayne,Robert K.; Eizirik,Eduardo.
Abstract To investigate the evolution and biogeography of an endemic group of South American foxes, we examined mitochondrial DNA control region sequences for 118 individuals belonging to all six extant species of the genus Lycalopex. Phylogenetic and molecular dating analyses supported the inference that this genus has undergone a very recent and rapid radiation, stemming from a common ancestor that lived ca. 1 million years ago. The Brazilian endemic L. vetulus was supported as the most basal species in this genus, whereas the most internal group is comprised by the recently diverged (ca. 350,000 years ago) Andean/Patagonian species L. griseus and L. culpaeus. We discuss the inferred phylogenetic relationships and divergence times in the context of the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Mitochondrial DNA control region; Lycalopex; Canidae; Carnivora.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572016000300442
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