Caption This image depicts the structure of the T4 virus, called a bacteriophage because it infects bacteria. Researchers at Purdue and The Catholic University of America have discovered the ...

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 ...