Heretofore it had been suggested that proteins provided a template for the syntheses of new proteins, but since the viral protein had been left outside, the theory had to be discarded.

• 在这以前，人们一直认为是蛋白质为合成新蛋白质提供了模板，但是自从发现了病毒蛋白遗留在细菌外面现象后，这种理论就被放弃了。