Giant DNA viruses that infect eukaryotic cells are thought to have played a role in the evolution of life, according to the ...

Histones are proteins that are used to organize and compact DNA. Some giant viruses called Marseilleviridae, which infect amoebas, have also been found to use histones; they wind their DNA around ...

1A. Image of an amoeba shortly after transplant of a labeled nucleus (arrow). 1B. Autoradiograph image of the amoeba shown in 1A. Radioactivity appears in black, and is confined to the nucleus (arrow) ...

The origin of life on Earth becomes even more fascinating and complex as we peer into the mysterious world of viruses. Said to have existed since ...

This transmission electron micrograph shows Mimivirus particles within a cell of the amoeba Acanthamoeba polyphaga. New viral particles form within the viral factory. MV: Mimivirus virions; N: nucleus ...

A tiny amoeba has broken a pretty big record. The newly discovered species of single-celled organism can divide and reproduce at a piping hot 63 degrees Celsius (145 degrees Fahrenheit), higher than ...