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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Sun, S. Y. Dong, W. H. Wu, Z. C. Zhu, G. Q. Liu, Y. Wu, S. L. Bao, W. B. |
| Description | Country affiliation: China Author Affiliation: Wu ZC ( College of Animal Science and Technology, Key Laboratory for Animal Genetics, Breeding, Reproduction and Molecular Design of Jiangsu Province, Yangzhou University, Yangzhou, China.); Liu Y ( College of Animal Science and Technology, Key Laboratory for Animal Genetics, Breeding, Reproduction and Molecular Design of Jiangsu Province, Yangzhou University, Yangzhou, China.); Dong WH ( College of Animal Science and Technology, Key Laboratory for Animal Genetics, Breeding, Reproduction and Molecular Design of Jiangsu Province, Yangzhou University, Yangzhou, China.); Sun SY ( College of Animal Science and Technology, Key Laboratory for Animal Genetics, Breeding, Reproduction and Molecular Design of Jiangsu Province, Yangzhou University, Yangzhou, China.); Zhu GQ ( College of Veterinary Medicine, Yangzhou University, Yangzhou, China.); Wu SL ( College of Animal Science and Technology, Key Laboratory for Animal Genetics, Breeding, Reproduction and Molecular Design of Jiangsu Province, Yangzhou University, Yangzhou, China.); Bao WB ( College of Animal Science and Technology, Key Laboratory for Animal Genetics, Breeding, Reproduction and Molecular Design of Jiangsu Province, Yangzhou University, Yangzhou, China wenbinbao74@yahoo.com.) |
| Abstract | The super antibiotic bactericidal/permeability-increasing (BPI) protein is a member of a new generation of proteins that have been implicated as endotoxin-neutralizing agents. In this study, recombinant porcine BPI protein was obtained by generating porcine BPI encoding prokaryotic, eukaryotic, and yeast expression vectors. Recombinant protein expression was detected in yeast GS115, Escherichia coli, and 293-6E cells by gel electrophoresis and Western blotting. Escherichia coli F18 is the primary Gram-negative bacteria in the gut and the main pathogen leading to diarrhea and edema dis-ease in weaning piglets. Therefore, E. coli F18-resistant and -sensitive Sutai piglets were used to test differential expression of BPI protein by Western blotting and to investigate the potential correlation between BPI protein expression and E. coli F18-susceptibility. Recombinant porcine BPI protein expression was not detected in the prokaryotic and yeast expression systems; however, soluble protein was detected in the eukaryotic expression system. These data indicate the strong bacterio-static action of the BPI protein and confirm the feasibility of obtaining large amounts of recombinant porcine BPI recombinant protein using this eukaryotic expression system. In addition, the BPI protein expres-sion levels in the E. coli F18-resistant group were significantly higher than those in the sensitive group, indicating that high BPI protein ex-pression is associated with resistance to E. coli F18. Our findings pro-vide a basis for further investigations into the development of a drug designed to confer resistance to E. coli F18 in weaning piglets. |
| e-ISSN | 16765680 |
| Journal | Genetics and Molecular Research |
| Issue Number | 1 |
| Volume Number | 14 |
| Language | English |
| Publisher | Fundação de Pesquisas Científicas de Ribeirão Preto |
| Publisher Date | 2015-02-06 |
| Publisher Place | Brazil |
| Access Restriction | Open |
| Subject Keyword | Antimicrobial Cationic Peptides Biosynthesis Blood Proteins Disease Resistance Genetics Escherichia Coli Infections Escherichia Coli Animals Disease Susceptibility Microbiology Veterinary Endotoxins Metabolism Pathogenicity Pathology Genetic Vectors Genotype Swine Research Support, Non-u.s. Gov't Discipline Genetics Discipline Molecular Biology Discipline Bioinformatics |
| Content Type | Text |
| Resource Type | Article |
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