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Zoological Research
Kunming Institute of Zoology, Chinese Academy of Sciences
ISSN: 2095-8137
Vol. 29, No. 4, 2008, pp. 379-385
Bioline Code: zr08072
Full paper language: Chinese
Document type: Research Article
Document available free of charge

Zoological Research, Vol. 29, No. 4, 2008, pp. 379-385

 en Structure of the Mitochondrial DNA Control Region and Population Genetic Diversity Analysis of Anabarilius grahami check for this species in other resources (Regan)
YANG, Bo; CHEN, Xiao-yong & YANG, Jun-xing


The control region (D-loop) of Anabarilius grahami was amplified by PCR amplification with a pair of specific primers. The sequence with the complete nucleotide control region from A. grahami mitochondrial was cloned and directly sequenced. The length of this region (D-loop) contained 930 bp nucleotides and the T, C, A and G contents were 29.8%, 22.5%, 33.0% and 14.7% respectively. The mtDNA control region of A. grahami could be partitioned into three domains, namely, the termination associated sequence domain, the central conserved sequence domain and the conserved sequence block domain. The extended termination associated sequence (ETAS), two conserved blocks (CSB-F, CSB-D) in the central conserved sequence block domain and three conserved sequence blocks (CSB1, CSB2, CSB3) in the conserved sequence block domain were successfully identified and their homology compared with other fish. The genetic diversity analysis of A. grahami from the Endangered Fish Breeding Center (EFBC) of the Kunming Institute of Zoology (KIZ), Mingxing Fish Cave (Jiangchuan), Niumo Village (Jiangchuan) was analyzed. The result indicated a very low genetic divergence between two natural populations, and the genetic diversity of the population from EFBC was much higher; they had recovered better than others.

Anbarilius grahami; Mitochondrial DNA; Control region; Genetic diversity

© Copyright 2008 Kunming Institute of Zoology, the Chinese Academy of Sciences
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