Ultrastructure of Bacterial Viruses

Mter the discoveryof the tobacco mosaic virus by D. I. Ivanov­ skU in 1892 [14], the new science of virology was born and began to develop rapidly. The number of viruses now known is enormous and they can infect nearly all animal and plant organisms. Microorganisms themselves are no exception to this rule. Despite intensive study of Vlruses, their origin and nature are still a subject for speculat...