Researchers have found a new, dynamic protein structure in cells. Every cell contains millions of protein molecules. Some of them have the ability to phase-separate to form non-membrane-bound ...

Planctomycetes challenge our concept of the bacterial cell and of a prokaryote as a cell structure type, as well as our ideas about origins of the eukaryote nucleus. Planctomycetes Are Important for ...

More than 1.5 billion years ago, a momentous thing happened: Two small, primitive cells became one. Perhaps more than any event—barring the origin of life itself—this merger radically changed the ...