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Molecular characterization, polymorphism and association of porcine SPATA19 gene

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Abstract

Spermatogenesis associated 19 (SPATA19) is an important reproduction related gene. In this study, we cloned the full-length cDNA sequence of porcine SPATA19 gene through the rapid amplification of cDNA ends (RACE) method. The porcine SPATA19 gene encodes a protein of 154 amino acids which shares high homology with the SPATA19 of ten species: giant panda (87 %), dog (86 %), cattle (84 %), rabbit (78 %), sumatran orangutan (72 %), human (71 %), rhesus monkey (71 %), chimpanzee (70 %), mouse (71 %) and rat (69 %). The phylogenetic analysis revealed that the porcine SPATA19 gene has a closer genetic relationship with the SPATA19 gene of dog. This gene is structured in six exons and five introns as revealed by computer-assisted analysis. PCR–RFLP was established to detect the GU475012:c.515T>C substitution of porcine SPATA19 gene mRNA and association of this mutation with litter size traits was assessed in Large White (n = 100) and Landrace (n = 100) pig populations. Results demonstrated that this polymorphic locus was significantly associated with the litter size of all parities in Large White sows and Landrace sows. Therefore, SPATA19 gene could be an useful candidate gene in selection for increasing litter size in pigs. These data serve as a foundation for further insight into this novel porcine gene.

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Acknowledgments

This work was supported by grants from the Natural Science Foundation Project of CQ CSTC (2010BA1007 and 2010BB1336) and the Natural Science Foundation Key Project of Yunnan Province (No. 2009CC015).

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Authors and Affiliations

  1. Key laboratory of Pig Industry Sciences, Ministry of Agriculture, Chongqing Academy of Animal Sciences, Rongchang, 402460, Chongqing, China

    Jin Yong Wang, Jing Lan, Jiugang Zhao & Lei Chen

  2. Chongqing Key Laboratory of Pig Industry Sciences, Chongqing Academy of Animal Sciences, Rongchang, 402460, Chongqing, China

    Jin Yong Wang, Jing Lan, Jiugang Zhao & Lei Chen

  3. College of Animal Science and Technology, Yunnan Agricultural University, Kunming, 650201, China

    Yonggang Liu

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  1. Jin Yong Wang
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  2. Jing Lan
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  3. Jiugang Zhao
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  4. Lei Chen
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  5. Yonggang Liu
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Correspondence to Yonggang Liu.

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Wang, J.Y., Lan, J., Zhao, J. et al. Molecular characterization, polymorphism and association of porcine SPATA19 gene. Mol Biol Rep 39, 9741–9746 (2012). https://doi.org/10.1007/s11033-012-1839-x

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  • DOI: https://doi.org/10.1007/s11033-012-1839-x

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