豬傳染性胃腸炎病毒LY86株N基因序列分析及病毒在豬睪丸細(xì)胞上的增殖特性研究
[Abstract]:In order to explore the molecular biological differences between (TGEV) LY86 and other TGEV strains and their proliferative characteristics in (ST) cells of swine testis, the N gene sequence of TGEV LY86 strain was sequenced. And the virulence of ST cells infected with different number of (MOI) was determined. The results showed that the nucleotide sequence homology of TGEV LY86 strain with the other 17 TGEV reference strains was 97.2% and 99.8%, especially with M6M60TGE HH16 and JS2012 strains, and the complex number of infection directly affected the proliferation efficiency of TGEV LY86 strain on ST cells. Too high or too low number of infection can lead to lower TGEV proliferation titer, when MOI=0.001 was inoculated, the virus price was the highest at 48 h after infection, reaching 10 ~ (6.20 鹵0.23) TCID_ (50) / 0.1 mL.. This study is of great significance for the analysis of genetic variation and infection characteristics of TGEV and the optimization of vaccine production process.
【作者單位】: 南京農(nóng)業(yè)大學(xué)動(dòng)物醫(yī)學(xué)院;江蘇省農(nóng)業(yè)科學(xué)院國家獸醫(yī)疫苗工程技術(shù)研究中心;
【基金】:國家自然科學(xué)基金項(xiàng)目(31672515)
【分類號(hào)】:S852.651
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