JERUSALEM, Jan. 21 (Xinhua) -- Researchers have identified ancient proteins that may help explain how the first complex cells evolved from simpler ones over 1.5 billion years ago, Israel's Ben-Gurion ...

G. & Dolja, V. V. The ancient Virus World and evolution of cells. Biology Direct 19, 29 (2006) Koonin, E. V. & Wolf, Y. I. Genomics of bacteria and archaea: The emerging dynamic view of the ...

The origins of life on Earth have long fascinated scientists, particularly the nature of the last universal common ancestor ...

According to new research from The University of Texas at Austin, two key elements of our innate immune system came from a group of microbes called Asgard archaea. Specifically, viperins and ...