Invention Grant
US08110390B2 PRRS viruses, infectious clones, mutants thereof, and methods of use 有权
PRRS病毒,感染性克隆,其突变体和使用方法

PRRS viruses, infectious clones, mutants thereof, and methods of use
Abstract:
The present invention provides isolated infectious polynucleotides, such as infectious clones, having a nucleotide sequence with identity to PRRS viruses such as VR-2332, Lelystad, or others, and optionally further including a deletion in a region of ORF1 that encodes the nsp2 polypeptide.
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