Abstract
In order to investigate the mitochondrial genome of Panthera tigris amoyensis, two South China tigers (P25 and P27) were analyzed following 15 cymt-specific primer sets. The entire mtDNA sequence was found to be 16,957 bp and 17,001 bp long for P25 and P27 respectively, and this difference in length between P25 and P27 occurred in the number of tandem repeats in the RS-3 segment of the control region. The structural characteristics of complete P. t. amoyensis mitochondrial genomes were also highly similar to those of P. uncia. Additionally, the rate of point mutation was only 0.3% and a total of 59 variable sites between P25 and P27 were found. Out of the 59 variable sites, 6 were located in 6 different tRNA genes, 6 in the 2 rRNA genes, 7 in non-coding regions (one located between tRNA-Asn and tRNA-Tyr and six in the D-loop), and 40 in 10 protein-coding genes. COI held the largest amount of variable sites (9 sites) and Cytb contained the highest variable rate (0.7%) in the complete sequences. Moreover, out of the 40 variable sites located in 10 protein-coding genes, 12 sites were nonsynonymous.
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Acknowledgments
This research was funded by National Natural Science Foundation of China (30870465), the Chengdu Giant Panda Foundation, and Longyan Science and Technology Bureau ([2009]48). We thank Guangxin He and Guanghan Li for conducting the sample collections, and Norian Caporale-Berkowitz for help with English editing.
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Zhang, W., Yue, B., Wang, X. et al. Analysis of variable sites between two complete South China tiger (Panthera tigris amoyensis) mitochondrial genomes. Mol Biol Rep 38, 4257–4264 (2011). https://doi.org/10.1007/s11033-010-0548-6
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DOI: https://doi.org/10.1007/s11033-010-0548-6