A newly discovered bacterial defense protein named Cat1 reveals an extraordinary method of viral neutralization. All living ...

The STAND proteins all have a similar structure: a portion that ... additional copies of the STAND genes to bacteria allowed them to resist viral infection more effectively. This worked because ...

"All bacteria have double-stranded DNA, but viruses have different kinds of structure — there are DNA genomes, RNA genomes, ...

Compared to viruses, bacteria are larger and have a more sophisticated structure that includes a cytoplasm, membrane, cell wall, and genetic material. Because they reproduce via binary fission ...

In general, viruses attach to different cell surface molecules as the first step of infection. While this study provides several still images of the phage structure, the researchers do not ...

Viruses that attack bacteria, termed "phages" (short for bacteriophage ... Many phages have a stereotypical structure: a large "head" that contains their genetic material, perched on top of ...

making the bacteria more robust against previously encountered mutant viruses.” To determine exactly how cyclic tetra-adenylate binds to the transcriptional factor to regulate it, Parashar’s team ...

Phages, viruses that attack bacteria, have a head and a tail ... The components of this new immune system are similar in structure to a human immunity mechanism, and they might help reveal ...