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Mitochondrial DNA Part A
DNA Mapping, Sequencing, and Analysis
Volume 27, 2016 - Issue 1
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Mitogenome Announcement

The complete mitochondrial genome of the Endangered Hucho bleekeri (Salmonidae: huchen)

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Pages 124-125 | Received 05 Dec 2013, Accepted 18 Dec 2013, Published online: 11 Mar 2014
 

Abstract

Hucho bleekeri, a glacial relict and freshwater resident salmonid fish, is endemic to the Yangtze River drainage in China. This species has important significances for studies of biogeography, evolution, phylogeny, ecology, reproduction and development. The complete mitochondrial genome of H. bleekeri was sequenced and characterized. The genome is 16,837 bp in length and contains 13 protein-coding genes, 2 ribosomal RNAs, 22 transfer RNAs, and a non-coding control region. The gene arrangement and nucleotide composition of the mitochondrial genome are similar to those of H. taimen. An 82 bp tandem repeat was identified in the control region. We conclude that the control region is variable in length and copy number of repeat between and within species. The complete mitochondrial DNA of H. bleekeri should be useful to study population genetics, biogeography, speciation and adaptive evolution of this lineage.

Declaration of interest

This work was supported by Special Fund for Agro-Scientific Research in the Public Interest (201203086) and open projects for Key Laboratory of Freshwater Biodiversity Conservation, Ministry of Agriculture of China (No. LFBC0802). The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.

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