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  • Consequences of HD-ZIPIII dysregulation

    How do organisms create such complex and beautiful shapes? And how do they do it so reproducibly? Plants are an excellent system to study these questions. For instance, the HD-ZIPIII family of transcription factors are >700 million years old and regulate nearly all aspects of plant development. Consequences of HD-ZIPIII dysregulation on plant morphology are severe (pictured here). Understanding how HD-ZIPIII proteins work is a central theme of the lab.

  • ERK1/2 signaling pathway

     ERK1/2 signaling pathway regulates exocytosis and tumor invasion through phosphorylation of the exocyst complex. 

  • Drosophila

    Drosophila are small flies, typically pale yellow to reddish brown to black, with red eyes. Many species, including the noted Hawaiian picture-wings, have distinct black patterns on the wings. The plumose (feathery) arista, bristling of the head and thorax, and wing venation are characters used to diagnose the family.

  • 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).

  • Courtship in Drosophila

    Various courtship songs produced by Drosophila species

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



Deciphering host invasion mechanisms of apicomplexan parasites by cryo-electron tomography

Dr. Yi-Wei Chang, UPenn Perelman School of Medicine
- | Leidy 109 and Zoom

Twitter/X: @yiweichang

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The epic evolutionary journey of an iconic urban animal, the brown rat (Rattus norvegicus): from the grasslands of Asia to the streets of New York City

Dr. Jason Munshi-South, Drexel University
- | Leidy 109 and Zoom

Abstract: A unique assemblage of native and nonnative rodents inhabit cities but differ in their occupancy of "green" and "gray" infrastructure. They also vary in their ability to disperse through heterogeneous…



Virus-like intercellular communication in the nervous system

Dr. Jason D. Shepherd, University of Utah
- | Leidy 109 and Zoom

Abstract: The immediate early gene Arc is critical for long-term associative memory consolidation in mammals. We discovered that the Arc gene evolved from an ancient retroviral element and has retained viral-…