title: Molecular phylogenetic systematics of twelve species of Acipenseriformes based on mtDNA ND4L-ND4 gene sequence analysis.
abstract: Acipenseriformes is an endangered primitive fish group, which occupies a special place in the history of ideas concerning fish evolution, even in vertebrate evolution. However, the classification and evolution of the fishes have been debated. The mitochondrial DNA (mtDNA) ND4L and partial ND4 genes were first sequenced in twelve species of the order Acipenseriformes, including endemic Chinese species. The following points were drawn from DNA sequences analysis: (i) the two species of Huso can be ascribed to Acipenser, (ii) A. dabryanus is the mostly closely related to A. sinensis, and most likely the landlocked form ofA. sinensis; (iii) genus Acipenser in trans-Pacific region might have a common origin; (iv) mtDNA ND4L and ND4 genes are the ideal genetic markers for phylogenetic analysis of the order Acipenseriformes.
authors: Kunming Institute of Zoology, Chinese Academy of Sciences, China. zhangsm@yfi.ac.cn
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authors: Zhang
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authors: Zheng
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authors: Chen
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authors: Deng
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authors: Wang
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authors: Wei
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authors: Zhang
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authors: Nie
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