Scientists at Purdue University and the University of Minnesota have solved the three-dimensional structure of the central component of a biological "motor" that powers the DNA packaging system in a ...

Human cytomegalovirus (HCMV) is classified as a DNA herpesvirus. A recent study showed that the HCMV virion contains not only DNA, but also four species of mRNA, indicating that this virus is more ...

Figure 1: Map of northern Chile, showing locations of study fields from which mummy bones and blood samples of contemporary Andean people were collected (boxed area, right, enlarged at left).

Chinese scientists have developed a gene-editing system for plants that draws on material from deadly viruses such as dengue fever to improve safety and efficiency. Commonly used gene-editing ...