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Int. J. Mol. Sci. 2014, 15(3), 4189-4200; doi:10.3390/ijms15034189
Article

Construction and Analysis of Siberian Tiger Bacterial Artificial Chromosome Library with Approximately 6.5-Fold Genome Equivalent Coverage

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Received: 29 October 2013; in revised form: 2 December 2013 / Accepted: 18 December 2013 / Published: 7 March 2014
(This article belongs to the Section Biochemistry, Molecular Biology and Biophysics)
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Abstract: Bacterial artificial chromosome (BAC) libraries are extremely valuable for the genome-wide genetic dissection of complex organisms. The Siberian tiger, one of the most well-known wild primitive carnivores in China, is an endangered animal. In order to promote research on its genome, a high-redundancy BAC library of the Siberian tiger was constructed and characterized. The library is divided into two sub-libraries prepared from blood cells and two sub-libraries prepared from fibroblasts. This BAC library contains 153,600 individually archived clones; for PCR-based screening of the library, BACs were placed into 40 superpools of 10 × 384-deep well microplates. The average insert size of BAC clones was estimated to be 116.5 kb, representing approximately 6.46 genome equivalents of the haploid genome and affording a 98.86% statistical probability of obtaining at least one clone containing a unique DNA sequence. Screening the library with 19 microsatellite markers and a SRY sequence revealed that each of these markers were present in the library; the average number of positive clones per marker was 6.74 (range 2 to 12), consistent with 6.46 coverage of the tiger genome. Additionally, we identified 72 microsatellite markers that could potentially be used as genetic markers. This BAC library will serve as a valuable resource for physical mapping, comparative genomic study and large-scale genome sequencing in the tiger.
Keywords: Siberian tiger; Panthera tigris altaica; BAC library; genomic research; microsatellite marker Siberian tiger; Panthera tigris altaica; BAC library; genomic research; microsatellite marker
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Liu, C.; Bai, C.; Guo, Y.; Liu, D.; Lu, T.; Li, X.; Ma, J.; Ma, Y.; Guan, W. Construction and Analysis of Siberian Tiger Bacterial Artificial Chromosome Library with Approximately 6.5-Fold Genome Equivalent Coverage. Int. J. Mol. Sci. 2014, 15, 4189-4200.

AMA Style

Liu C, Bai C, Guo Y, Liu D, Lu T, Li X, Ma J, Ma Y, Guan W. Construction and Analysis of Siberian Tiger Bacterial Artificial Chromosome Library with Approximately 6.5-Fold Genome Equivalent Coverage. International Journal of Molecular Sciences. 2014; 15(3):4189-4200.

Chicago/Turabian Style

Liu, Changqing; Bai, Chunyu; Guo, Yu; Liu, Dan; Lu, Taofeng; Li, Xiangchen; Ma, Jianzhang; Ma, Yuehui; Guan, Weijun. 2014. "Construction and Analysis of Siberian Tiger Bacterial Artificial Chromosome Library with Approximately 6.5-Fold Genome Equivalent Coverage." Int. J. Mol. Sci. 15, no. 3: 4189-4200.


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