Electronic Resource
Oxford, UK
:
Blackwell Publishing Ltd
Journal of fish biology
58 (2001), S. 0
ISSN:
1095-8649
Source:
Blackwell Publishing Journal Backfiles 1879-2005
Topics:
Biology
Notes:
Analysis of the nucleotide sequence of the mitochondrial 12S ribosomal RNA gene of 27 species or sub-species of bitterlings showed that bitterlings comprise an Acheilognathus clade and a Tanakia-Rhodeus clade, partially supporting an earlier classification based on morphology and karyology. The monophyly of Acheilognathus is confirmed, but that of Tanakia and Rhodeus remains poorly resolved. Within the Tanakia–Rhodeus clade, all species or sub-species having a diploid chromosome number of 46 form a monophyletic group. Results support the hypothesis that evolutionary trends of bitterling karyotypes involve reduction from 2n=48 to either 2n=44 (by Robertsonian translocation) or 2n=46 (by non-Robertsonian translocation).
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1111/j.1095-8649.2001.tb00501.x
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