While the Cambrian Explosion kickstarted complex life in a major way some 530 million years, the true timeline of life on ...

eukaryotic — which have two different types of cells. An organism can be made up of either one type or the other. Some organisms consist of only one measly cell, but even so, that cell will ...

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 ...

Aude Bernheim is a microbiologist studying how bacteria defend against viruses. She earned her PhD at the Pasteur Institute ...

Prokaryotes are divided into two distinct groups: the bacteria and the archaea, which scientists believe have unique evolutionary lineages. Most prokaryotes are small, single-celled organisms that ...

The first phase of the MEER research was a joint effort of Shanghai Jiao Tong University, the Institute of Deep-sea Science ...

The International Committee on Systematics of Prokaryotes recently pulled the rank of phylum ... were surprised to find that the familiar names and nomenclature for the bacteria and archaea they study ...

which she argues more clearly point to an archaeon as the organism that became the eukaryotic nucleus. But Valerie De Anda, a microbiologist at the University of Texas at Austin Marine Science ...