We used the purified recombinant protein expressed from prokaryotic cells to immunize the New Zealand whit rabbit and achieve the high titer and superiority antisera.

• 以前研究发现PRRSV、IBV、MHV和TGEV等冠状病毒的N蛋白都定位在细胞质与核仁中,这可能是冠状病毒的共有特征。