It is widely believed that the archaeal ancestor was hyperthermophilic, but during archaeal evolution, several lineages — including haloarchaea and their sister methanogens, the Thaumarchaeota, and ...

Horizontal gene transfer (HGT) is essential for genome evolution across the tree of life and has an important role in archaeal speciation, adaptation, and maintenance of diversity. Many of the ...

Microbiology has always been about recognizing the scale of what is unknown. In the beginning, the unknown was that microbes existed at all. The invention of the microscope proved that these tiny, ...