Though more primitive than eukaryotes, prokaryotic bacteria are the most diverse and abundant group of organisms on Earth. We humans are literally covered in prokaryotes, inside and out.

In eukaryotes, DNA is tightly wound into a complex called chromatin. Thanks to the process of chromatin remodeling, this complex can be "opened" so that specific genes are expressed. Various ...

Planctomycetes Are Important for Theories of the Origin of Eukaryotes and Their Nuclei Why are planctomycetes important for understanding evolution of eukaryotes? There are two major types of ...

Scientists' yearlong study on Antarctic microbial communities reveals how climate change alters bacterial and phytoplankton ...

Bacteria and other single-celled microorganisms in the seas around Antarctica are strongly influenced by water temperature ...

The discovery of a previously underestimated capability in archaeal, one of the three primary domains of life, is changing our comprehension of energy generation and the origins of eukaryotic life.

Bacteria are amongst the simplest of organisms – they are made of single cells. Their cell structure is simpler than the cells of animals, plants and fungi.