Smyth J, Suomalainen M, Garoff H
Department of Biosciences at Novum, Huddinge, Sweden.
J Virol. 1997 Jan;71(1):818-23. doi: 10.1128/JVI.71.1.818-823.1997.
Using the Semliki Forest virus (SFV) and Sindbis virus (SIN) cDNAs we have constructed recombinants in which the spike genes were exchanged. Analyses of expression showed that the SFV/SIN(spike) RNA directed efficient assembly of infectious virus, whereas the reciprocal SIN/SFV(spike) RNA was completely unable to assemble virus. This was apparently due to a defective capsid-spike interaction.
利用Semliki森林病毒(SFV)和辛德毕斯病毒(SIN)的cDNA,我们构建了重组体,其中的刺突基因进行了交换。表达分析表明,SFV/SIN(刺突)RNA指导了感染性病毒的有效组装,而与之相反的SIN/SFV(刺突)RNA则完全无法组装病毒。这显然是由于衣壳与刺突之间的相互作用存在缺陷。