Polyacrylamide gel electrophoresis indicated that maize streak (MSV) and cassava latent (CLV) viruses each contain one species of protein and two of RNA. The estimated protein mol. wt is 28000 for MSV and 34000 for CLV. The mol. wts obtained for the two RNA species using formamide-containing gels were the same for the two viruses: 1-7 X 10(6) and 1-3 X 10(6). It is suggested that the viruses have a two-part genome and that the tendency of their nucleoprotein particles to form pairs favours the delivery of complete genomes to sites of infection.

中文翻译：

---

玉米条纹和木薯潜伏病毒的 RNA 和蛋白质成分

聚丙烯酰胺凝胶电泳表明玉米条纹 (MSV) 和木薯潜伏 (CLV) 病毒各含有一种蛋白质和两种 RNA。估计的蛋白质摩尔。对于 MSV，wt 是 28000，对于 CLV，wt 是 34000。摩尔。使用含甲酰胺凝胶为两种 RNA 物种获得的 wts 与两种病毒相同：1-7 X 10(6) 和 1-3 X 10(6)。这表明病毒具有两部分的基因组，并且它们的核蛋白颗粒形成对的趋势有利于将完整的基因组传递到感染部位。