The T4 virus is a simple form of life with a precise architecture dictated by genes in its DNA molecule. By mapping the genes and learning their function one learns how the virus is put together ...

T4 viruses with mutations in certain genes produce unassembled viral components. These particles are combined in the test tube in an effort to learn how the genes of a virus specify its shape By R ...

TEM image of T4-phase obtained using Preyssler-type phosphotungstate as a negative staining reagent. News organizations may use or redistribute this image, with proper attribution, as part of news ...