Peer-reviewed veterinary case report
Construction of EGFP-tagged rBCG of E.tenella and distribution in chickens.
- Journal:
- Science in China. Series C, Life sciences
- Year:
- 2009
- Authors:
- Wang, QiuYue et al.
- Affiliation:
- College of Animal Science and Veterinary Medicine · China
- Species:
- bird
Abstract
Chicken coccidiosis is a major parasitic disease with substantial economic burden to the poultry industry. Enhanced green fluorescent protein (EGFP) tagged recombinant Bacille Calmette-Guerin (rBCG), as a fusion protein with coccidian rhomboid antigen was constructed to track rBCG in vivo in chickens in this study. Immunization of chickens with one dose of rBCG pMV361-Rho/EGFP induced humoral immune response. The colonization of rBCG in liver, spleen, lung, kidney and caecum was observed by laser confocal microscopy. Real-time quantitative RT-PCR showed a rise expression level of rhomboid protein on the 7th day and a peak on the 14th day and disappearance on the 28th day after immunization. These results have significant implications for the development of rBCG vaccines against avian coccidiosis.
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Search related cases →Original publication: https://pubmed.ncbi.nlm.nih.gov/19294353/