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  • Archaea

    Haloferax volcanii motility mutants stab-inoculated on a 0.3% agar motility plate. The “halos” and “rings” likely reflect the motility of this archaeon following gradients of attractant or repellent chemicals. 

  • Telomeres

    Giant ‘polytene’ chromosomes (white) from a fruit fly with a fluorescent probe (red) that hybridizes to a telomere-restricted DNA repeat.

  • Escherichia coli

    Escherichia coli cells with fluorescently labeled chromosomal loci. 

  • Sea Anemone

  • Malaria parasites

    Malaria parasites (and their kin) can be viewed as minimal eukaryotes, harboring a nucleus (yellow), a secretory pathway the Golgi (purple) and specialized ‘rhotpry’ organelle (black), and two endosymbiotic organelles, the mitochondrion (red) and apicoplast (green).

Biology is fundamental to our changing world. The 21st century challenge for our students, our scholars, and the greater society is to understand our place in this changing world and to create fundamental knowledge for informed policies, economies, and social structure.

Upcoming Events



Crawling cells interacting with dynamic environments

Dr. Brian Camley, Johns Hopkins University
- | DRL 2C8 and via Zoom

Abstract: Cells crawl and reorganize in the body to perform their functions, ranging from white blood cells finding bacteria to skin cells closing over a wound. Modeling cell motility provides interesting…



RNA mediated large-scale genome editing in the ciliate Oxytricha

Dr. Laura Landweber, Columbia University
- | Leidy 109 and via Zoom.


Seminar with Alexander Gehrke

Dr. Alexander Gehrke, Brown University
- | Zoom