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Article Abstract
Vitronectin plays a role in the blood homeostasis and has been implicated in cell adhesion, migration, and proliferation. Vitronectin has a potential role affecting the residual feed intake (RFI) or feeding efficiency in swine production. Its variations have not been reported in Chinese swine breeds. In this study, two regions of porcine vitronectin were analyzed using PCR and sequencing. The sequence analysis revealed thirteen nucleotide substitutions in region 1 (exon 2- exon 3) and three nucleotide substitutions in region 2 (exon 5- intron 5), which would result in five amino acid changes (p.Ala52Thr, p.Leu94Pro, p.Leu94Gln, p.Gln94Pro, and p.Glu126Gly). In region 1, c.156C/T, c.281A/T, and c.377A/G were the most common (at a total frequency of 49.3%, 31.3% and 31.9% respectively), whereas c.153C/T and c.180C/G were rare (at a total frequency of 1.39%). In region 2, c.597 + 12A/G was the most common (at a total frequency of 39.6%), followed by c.597 + 15A/G (at a total frequency of 31.3%) and c.459A/G (at a total frequency of 16.0%). There was a difference ( < 0.05) in variant frequencies between Chinese breeds and overseas breeds. These results indicate that the porcine vitronectin gene is polymorphic and suggest further analysis is required to see if the variation detected affects RFI or feed efficiency in swines.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6719903 | PMC |
| http://dx.doi.org/10.3390/ani9080520 | DOI Listing |
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