Faculty – Graduate Biological Sciences Programs
John R. Porter
BS (Pittsburgh State, Kansas); PhD (Montana)
Professor of Biology
Research Professor of Pharmacognosy
Director, Biology Graduate Programs
Phone: 215.596.8917
E-mail: j.porter@usciences.edu
Research: genetics of plant-microbe interactions; cytotoxic and antimicrobial natural plant products; plant tissue and cell culture; molecular biology of biosynthetic pathways
Peter B. Berget
BS, PhD (Minnesota)
Professor of Biological Sciences
Chair, Department of Biological Sciences
Phone: 215.596.7417
E-mail: p.berget@usciences.edu
Research: discovery, engineering, and development of single-chain variable fragment antibodies that can be used as intracellular and extracellular biosensors of gene, pathway, and metabolic activity; molecular biology, cell culture, microbiology, and biochemistry techniques
Ara DerMarderosian
BS, MS (Massachusetts College of Pharmacy);
PhD (Rhode Island)
Professor of Pharmacognosy
Research Professor of Medicinal Chemistry
Phone: 215.596.8915
E-mail: a.dermar@usciences.edu
Research: bioactive and immunoregulatory substances from natural sources; PCR typing of medicinal plants; nutraceuticals
James R. Johnson
BS (Auburn); PhD (Duke)
Associate Professor of Biology
Coordinator, BS in Microbiology
Phone: 215.596.8521
E-mail: j.johnso@usciences.edu
Research: molecular mechanisms regulating gene expression and gene product function; analysis of protein factors and DNA structures that regulate gene activity in E. coli K12 and Staphylococcus aureus; microbial sulfur metabolism
Margaret R. Kasschau
BA (Rochester); MS, PhD (South Carolina)
Professor Emeritus of Biology
E-mail: m.kassch@usciences.edu
Zhijun Li
BS, MS (Tsinghua, China); PhD (Vanderbilt)
Associate Professor of Bioinformatics
Phone: 215.596.7539
E-mail: z.li@usciences.edu
Research: use of computational and bioinformatics methods to generate and analyze three-dimensional structures of protein molecules and to gain insight into protein sequence, structure, and function relationships; the leveraging and combining of a broad range of computational techniques that tackle biological problems in multiple dimensions
Vandana Ahuja Miller
BS (Hindu College); MD (Lady Hardinge, India)
Assistant Professor of Biology
Phone: 215.596.7591
E-mail: v.miller@usciences.edu
Research: regulation of purine signaling through expression of extracellular enzymes during maturation and activation of phagocytic cells
Suzanne K. Murphy
BA (Rosemont); PhD (Hahnemann)
Professor of Biology
Interim Dean, Misher College of Arts and Sciences
Director, Pre-Health Professions Programs
Phone: 215.596.8921
E-mail: s.murphy@usciences.edu
Research: analysis of expression of the ras oncogene; perturbations in signal transduction pathways and expression of heat shock proteins
Kenneth Myers
BS (Phila University); PhD (Drexel)
Assistant Professor of Biology
Phone: 215.596.7531
E-mail: k.myers@usciences.edu
Research: microtube dynamics of endothelial cells in branching and directed motility; interactions with the extracellular matrix; high-resolution light and fluorescence microscopy
Dana Pape-Zambito
BA (Delaware); PhD (Penn State)
Assistant Professor of Biology
Phone: 267.295.3173
E-mail: d.zambito@usciences.edu
Research: breast cancer initiation and progression; mammary gland development and lactation; influence of endocrine disrupter hormones
Bela Peethambaran
BTech (St. Xavier’s, India); MS (Gujarat University, India); PhD (Mississippi State)
Assistant Professor of Biology
Phone: 215.596.8923
E-mail: b.peethambaran@usciences.edu
Research: plant metabolic engineering for antioxidant and bioactive compound production; manipulation of plant signaling pathways to enhance stress responses; anti-cancer activities of plant extracts
Robert A. Smith
BS, MS (Philadelphia College of Pharmacy and Science)
Distinguished Assistant Professor of Biology
Phone: 215.596.8918
E-mail: r.smith@usciences.edu
Research: plant tissue culture for secondary metabolite production; plant tissue culture models of organogenesis and embryogenesis
Affiliated Faculty
Natalia Coleman
BS, MS, PhD (St. Petersburg Agrarian University, Russia)
Research Assistant Professor of Biology
Phone: 215.596.7592
E-mail: n.colema@usciences.edu
Melissa G. Marko
BS (Penn State); MS, PhD (Tufts)
Assistant Professor of Biology
Phone: 215.596.7437
E-mail: m.marko@usciences.edu
Gilbert L. Zink
BS, MS, PhD (Ohio State)
Associate Professor of Biology
Phone: 215.596.8520
E-mail: g.zink@usp.edu
Adjunct Faculty
Joseph Betz, PhD
Adjunct Associate Professor of Cell Biology and Biotechnology