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Sequence characterization and promoter identification of porcine APC10 gene

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Abstract

APC10 protein, a subunit of the anaphase-promoting complex (APC), plays an essential role in the progression of cells from mitosis to G1. In this study, we cloned and sequenced partial cDNA, intron 1 and 5′-flanking sequences of porcine APC10. The partial cDNA is 595 bp long and has an open reading frame of 558 bp which encodes 185 putative animo acids. Real-time PCR analysis revealed that the porcine APC10 mRNA expression shows a wide distribution and expression levels varies within a small different range in detected tissues. The deduced protein has a high identity with other eight species and comprises a conserved DOC domain. The phylogenetic tree indicated that porcine APC10 has the closest genetic relationship with human, monkey and dog. Promoter activity was demonstrated by transient transfection of 5′-deletion promoter/luciferase constructs into PK15 cells, and indicated that the proximal region from −2,052 to −1,764 is necessary for basal promoter activity. Positive cis-regulatory elements are present from −2,544 to −2,052 and from −3,114 to −2,774, while negative cis-regulatory elements may be present from −2,774 to −2,544. Yeast one-hybrid assay revealed Sp1 can interact with proximal promoter region of porcine APC10.

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Acknowledgements

This work was supported by Key Project of National Natural Science Foundation of China (30830080), National High Science and Technology Foundation of China (2008AA10Z135), Key Project of National Basic Research and Development Plan of China (2006CB102105), National Natural Science Foundation of China (30571300), National Support Plan (2006BAD13B08-1) and Innovation Group Foundation of CAAS.

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Correspondence to K. M. Peng or K. Li.

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He, W.B., Wang, Z.W., Li, Y. et al. Sequence characterization and promoter identification of porcine APC10 gene. Mol Biol Rep 37, 3841–3849 (2010). https://doi.org/10.1007/s11033-010-0040-3

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  • DOI: https://doi.org/10.1007/s11033-010-0040-3

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