Modern biology textbooks assert that only bacteria can take nitrogen from the atmosphere and convert it into a form that is usable for life. Plants that fix nitrogen, such as legumes, do so by ...

Genes in the nucleus of the host cell have now replaced their functions. Nowack: "These fundamental findings help us understand how an organelle evolves from a bacterium. Using this mechanism, it may ...

Allan Albig receives funding from the National Institute of Health. Think back to that basic biology class you took in high school. You probably learned about organelles, those little “organs” inside ...

All modern multicellular life — all life that any of us regularly see — is made of cells with a knack for compartmentalization. Recent discoveries are revealing how the first eukaryote got its start.

Two studies by scientists at the University of Chicago have demonstrated a new way to look into the inner workings of cells—in particular, to track the flow of ions inside the many tiny organelles ...