ABOVE: The ciliate Pseudoblepharisma tenue harbors both green algae and purple bacteria as symbionts. SEBASTIAN HESS M ore than a century ago, a German schoolteacher named Alfred Kahl made a career ...

Main reserach interests are the systematics and biodiversity of ciliated protists (ciliates) inlcuding: (1) morphology and morphogenesis; (2) molecular phylogeny; (3) use as bioindicators of water ...

Researchers found that cooperative fluid dynamics between single-celled organisms may have driven the evolution of ...