Creating a Vaccine Strain of PRRS Virus
Author Information
Author(s): Zhang Shanrui, Zhou Yanjun, Jiang Yifeng, Li Guoxin, Yan Liping, Yu Hai, Tong Guangzhi
Primary Institution: Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences
Hypothesis
Can an infectious cDNA clone of the attenuated HuN4-F112 strain of PRRSV be generated and characterized?
Conclusion
The study successfully rescued a virus from an infectious cDNA clone of an attenuated vaccine, paving the way for future vaccine development.
Supporting Evidence
- The HuN4-F112 strain was derived from a highly pathogenic PRRSV strain.
- The rescued virus exhibited a similar growth pattern to its parental virus.
- Cytopathic effects were observed in cells infected with the rescued virus.
Takeaway
Scientists made a copy of a virus that causes pig diseases and found it can grow like the original, which could help make better vaccines.
Methodology
The genomic sequence of the HuN4-F112 strain was cloned, and the virus was rescued by transfecting BHK-21 cells with in vitro-transcribed RNA.
Digital Object Identifier (DOI)
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