Document Detail

[DNA barcoding and species and subspecies classification within genus Carassius].
MedLine Citation:
PMID:  23019027     Owner:  NLM     Status:  In-Data-Review    
The classification of Carassius has not been well established due to its great variability and wide distribution. Usually, Carassius is identified as three species: C. carassius, C. cuvieri and C. auratus, the latter including several subspecies, such as goldfish. Out of these subspecies, C. auratus gibelio have recently been thought of as a valid species of Carassius. In this study we collected the 5'end 651 bp segments of the mitochondrial cytochrome c oxidase I (COI) gene from 128 specimens, including C. carassius, C. cuvieri, C. auratus auratus, C. auratus gibelio and C. auratus langsdorfii. All three species of Carassius (C. carassius, C. cuvieri, C. auratus) were found to be valid, meanwhile genetic differentiation between the Eurasian C. auratus and Japanese C. auratus has reached a high level. However, several haplotypes were shared between C. auratus auratus and C. auratus gibelio. Consequently, C. auratus gibelio should be regarded as a subspecies of C. auratus rather than a valid species. Moreover, because both diploids and triploids exist in C. auratus auratus and C. auratus gibelio, ploidy level should not be used as criteria for the classification of species or subspecies in Carassius.
Lei Cheng; Yu-Mei Chang; Cui-Yun Lu; Ding-Cheng Cao; Xiao-Wen Sun
Publication Detail:
Type:  English Abstract; Journal Article    
Journal Detail:
Title:  Dong wu xue yan jiu = Zoological research / "Dong wu xue yan jiu" bian ji wei yuan hui bian ji     Volume:  33     ISSN:  0254-5853     ISO Abbreviation:  Zool. Res.     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-09-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100961499     Medline TA:  Dongwuxue Yanjiu     Country:  China    
Other Details:
Languages:  chi     Pagination:  463-72     Citation Subset:  IM    
Key Laboratory of Aquatic Freshwater Aquatic Biotechnology and Breeding, Ministry of Agriculture of China, Heilongjiang Fisheries Research Institute, Chinese Academy of Fishery Sciences, Harbin 150070, China.
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