Prokaryotes are organisms whose cells lack a nucleus and other organelles. Prokaryotes are divided into two distinct groups: the bacteria and the archaea, which scientists believe have unique ...

Mitochondria and chloroplasts evolved from endosymbiotic associations between an ancestral host cell and smaller prokaryotic partners ... dimensions that collectively comprise the cell's cytoskeleton.

Research interests include the molecular mechanisms that control the positioning and functions of macromolecular assemblies (e.g. cytoskeleton ... cell adhesion and signaling in eukaryotic and ...