Academic Departments & Research Units

Meet the newest members of the Faculty of the School of Biological Sciences
2003-2004

Jorge Busciglio
Department of Neurobiology and Behavior

Dr. Busciglio received his undergraduate degree from the University of Cordoba, and his Ph.D. from the Institute M. & M. Ferreyra for Medical Research in Argentina, where he studied the molecular mechanisms by which neuronal processes (e.g. axons and dendrites) differentiate during brain development. He conducted postdoctoral research at Harvard Medical School and The Children¹s Hospital in Boston, where he started his investigations on the neurobiology of Down¹s syndrome and Alzheimer¹s disease. As an Assistant Professor at University of Connecticut Health Center, Dr. Busciglio studied the role of several genes involved in Down¹s and Alzheimer¹s neuropathology.

Dr. Busciglio¹s research at UCI will focus on the role of mitochondrial dysfunction in Down¹s syndrome neuropathology, and the alterations in neuronal plasticity that occur in the Alzheimer¹s brain.

 

David Camerini
Department of Molecular Biology and Biochemistry

Dr. Camerini received his bachelor's degree in Biochemistry from UC Berkeley and a Ph.D. in Genetics from Harvard University. Before coming to UCI, he was a faculty member in the Myles H. Thaler Center for AIDS and Human Retrovirus Research and the Department of Microbiology at the University of Virginia School of Medicine.

Dr. Camerini's research is focused on elucidating mechanisms of HIV pathogenesis and designing new methods of inhibiting the development of AIDS, using mouse, organ culture and tissue culture models. His research will lead the way towards new techniques and therapies for inhibiting the progression of AIDS. He is an important new member of the Center for Virus Research and the Center for Immunology.

 
Paolo Casali
Department of Molecular Biology and Biochemistry
Department of Medicine, COM

Dr. Casali received his medical degree from the University of Milan. He then came to the United States and became a research associate in the Department of Immunology at the Scripps Research Institute. At the New York University School of Medicine, he was named the Kaplan Cancer Scholar and later joined the faculty at Cornell University Weill Medical College as a Professor of Pathology and Laboratory Medicine and Professor of Microbiology and Immunology. One of the nation’s leading immunologists, Dr. Casali joins the Department of Molecular Biology and Biochemistry, as well as the Department of Medicine, in the College of Medicine, as the Donald Bren Professor of Molecular Biology and Biochemistry and Medicine.

Dr. Casali’s research focuses on a population of immune-system cells, B cells, which make specific antibodies that identify foreign objects in the body, including disease-causing organisms such as viruses and bacteria. The antibodies tag these foreign invaders and allow them to be targeted for destruction by other white blood cells. He has studied the unique ability of B cells to splice different parts of their genome together to generate the instructions for each specific antibody, some of which are misdirected against the body itself, leading to autoimmune disease. Currently, Dr. Casali is studying the mechanisms behind the two important B cellular activities called somatic hypermutation and class switching.

 

Frances Chance
Department of Neurobiology and Behavior

Dr. Chance received her B.S. from the California Institute of Technology and her M.S. and Ph.D. degrees from Brandeis University, and carried out postdoctoral training at New York University.

Frances Chance brings a unique ability to blend theoretical and experimental approaches to study neuronal networks and circuitry in the brain. She brings an original approach to studying the complexities of neuronal circuitry, and joins a strong program in integrated neurosciences.

 

Melanie Cocco
Department of Molecular Biology and Biochemistry

Dr. Cocco received a bachelor of science degree from Virginia Tech and a Ph.D. in chemistry from Penn State. She has held postdoctoral fellowships at the University of Connecticut and Yale University.

Dr. Cocco brings important expertise to UCI on the structure of proteins and nucleic acids analyzed using NMR spectroscopy. In her work so far she has studied the proteins myoglobin, thioredoxin, phospholamban, and the B1 domain of protein G, as well as quadruplex DNA. Her current research is focused in two important areas: DNA binding proteins and membrane proteins. Both topics are actively studied in the school from a biological perspective, and Dr. Cocco's studies will add an important new dimension to these critical areas. She is also an excellent bridge between the schools of biological and physical sciences. We were able to recruit Dr. Cocco because of the excellent NMR facilities on campus and especially the new 18.8 Tesla (800 megahertz) NMR installed in Natural Sciences 1.

 

Susana Cohen-Cory
Department of Neurobiology & Behavior

Dr. Cohen-Cory received her undergraduate and M.Sc. degrees from the Universidad Nacional Autonoma de Mexico and Ph.D. in Neuroscience from Rockefeller University, where she studied the regulation of cerebellar neuron development. As a postdoctoral fellow at the California Institute of Technology, Dr. Cohen-Cory researched the trophic influences in the in vivo development of the visual system of Xenopus laevis.

Dr. Cohen-Cory is an acclaimed developmental neurobiologist particularly interested in the central problem of how neurons in the CNS develop, differentiate, and establish functional connections with their target cells. Using frogs as a model, she focuses on how multiple signals, including neuronal growth gactors and neural activity influence the morphological development of neurons and the formation synapses in the developing brain.

 

Karina Cramer
Department of Neurobiology & Behavior

Dr. Cramer received her undergraduate degree from the University of California, Berkeley and her Ph.D. from the California Institute of Technology where she studied the development of the neuromuscular junction in mammals. She conducted postdoctoral research at the Massachusetts Institute of Technology and the University of Washington.

Dr. Cramer’s research addresses the embryonic origin and development of the auditory brainstem nuclei and their synaptic connections. She investigates the molecular mechanisms underlying the formation of precise connections in the auditory system. Another study focuses on the potential relationship between development and plasticity when connections in the auditory brainstem are altered following deafferentation, which may provide insight into brain reorganization and contribute to the understanding of how the brain repairs itself.

 

Lan Huang  
Department of Dev. & Cell Biology
Department of Physiology & Biophysics

Dr. Huang received her undergraduate degree in chemistry from Nanjing University in China, and obtained her Ph.D. in analytical chemistry at University of Florida where she developed novel analytical methods to monitor insulin secretion from single pancreatic beta cells, aiming at understanding insulin secretion mechanisms related to diabetes. She conducted her postdoctoral research at University of California, San Francisco to study protein structure-function relationship using mass spectrometry.

As the sequence analysis of the Human Genome is completed, the focus in biomedical research has moved quickly from genes and genomes to proteins and proteomes and to the analyses of protein functions. The dynamics of a physiological process, such as how gene product expression is controlled, when genes are turned on and off, and how protein function is regulated by posttranslational modifications and or interactions with other gene products, largely remain to be elucidated. Dr Huang's research focuses on developing mass spectrometry-based proteomic methodologies for study of ubiquitin-proteasome protein degradation pathways and signal transduction networks of receptor tyrosine kinases (e.g. FGF receptor) relevant to endocrine or metabolic diseases and cancers. The research goal is to identify and characterize new signaling molecules and pathways involved under different biological conditions and to understand the regulation mechanisms underlying the specificity of response integration of signaling systems. Her lab is also interested in identifying new biomarkers in these pathways for cancer and disease detection and treatment.

 

Ingrid Ruf
Department of Molecular Biology and Biochemistry

Dr. Ruf received her undergraduate degree from The Ohio State University and obtained her Ph.D. at Emory University. She pursued postdoctoral research at St. Jude Children’s Research Hospital in the Department of Virology and Molecular Biology and the Department of Biochemistry.

Dr. Ruf’s research interests are focused on persistent viral infections, viral gene expression and tumorigenicity. Specifically, she is utilizing Burkitt Lymphoma as a model system for understanding the contribution of Epstein-Barr Virus to a number of human malignancies. She has previously demonstrated that two viral gene products directly contribute to the ability of the virus to cause tumors. Currently she is pursuing the function of these gene products in viral latency and tumorigencity as well as the mechanisms of action of these gene products.

 

Michael Rugg
Department of Neurobiology and Behavior

Until his move to UC Irvine in July 2003, Dr. Rugg was based in the United Kingdom. Dr. Rugg received his undergraduate degree at the University of Leicester in Psychology. He obtained his PhD in 1979. Following a postdoctoral year at the University of York, he was appointed to a lectureship in psychology at the University of St. Andrews, where he went on to become Professor of Psychology and Head of School. In 1998 he moved to the Institute of Cognitive Neuroscience, University College London as Professor of Cognitive Neuroscience and Welcome Trust Principal Research Fellow. He was elected a Fellow of the Royal Society of Edinburgh in 1995.

Throughout his career, Dr. Rugg's research has focused on non-invasive measures of brain activity to investigate human cognitive function. Initially employing EEG-based methods, his work expanded to include the functional neuro imaging techniques of positron emission tomography and functional magnetic resonance imaging. His principal research interests
are in the cognitive and neurological bases of human memory, and how these change with advancing age and neurodegenerative disease.

 

Katharine Suding
Department of Ecology and Evolutionary Biology

Dr. Suding earned a bachelor's degree from Williams College and a Ph.D.in ecology and evolution from the University of Michigan. She completed her postdoctoral work at the University of Colorado's Institute of Arctic and Alpine Research.

Dr. Suding is a community ecologist broadly interested in the forces that control the rareness, dominance, and diversity of species. She
studies how species interactions, plant-soil feedbacks, and disturbance
influence patterns of biodiversity and ecosystem function. Her research
addresses problems of invasive species, global change, and habitat
restoration. Dr. Suding was selected by a committee of faculty from EE
and ESS, and she is a key hire in our efforts to build the program in
Global Biological Change.

 

Kathleen Treseder
Department of Ecology and Evolutionary Biology

Dr. Treseder received her undergraduate from University of Utah and obtained her Ph.D at Stanford University.

My research interests encompass two related issues: (1) the influence of global change (e.g. nitrogen deposition or elevated atmospheric CO2) on the abundance and community composition of fungi, and (2) consequences of any shifts in fungal growth or diversity on nutrient dynamics of ecosystems. I am focusing on one particular group of fungi: mycorrhizal fungi. These microbes form mutualistic relationships with plants by colonizing their roots and growing root-like hyphae into the soil, where they take up nutrients such as phosphorus and nitrogen and transfer a portion back to plants. Plants, in turn, provide carbohydrates to the fungi to facilitate their growth. Relatively new advances in technology and stable isotope techniques now can be applied to these questions. For example, recent developments in minirhizotrons (used to visually examine below-ground processes) and immuno-labelling methods (which identify fungal tissue to genus) allow me to quantify growth rates, lifespans, decomposition rates, community composition, and standing biomass of mycorrhizal fungi and other soil fungi in a wide range of ecosystems. Stable isotopes like 13C and 15N can be used to track nutrients from decomposing material to individual fungal species. Each of these variables is crucial in estimating fluxes of nutrients through the fungal pool. Approaches such as these should permit a comprehensive examination of the role of fungi in the response of nutrient dynamics to global change. Most of our field research is conducted in Alaska, with sample analyses at UCI.

 

Sheryl Tsai
Department of Molecular Biology and Biochemistry

Dr. Tsai received her undergraduate and Master degrees in Chemistry from National Taiwan University, where she studied organometallics and organic synthesis. In 1999, Dr. Tsai received her Ph.D. in Chemistry from UC Berkeley, where she studied enzymology and biochemistry. Before joining UCI faculty, Dr. Tsai was a postdoctoral fellow at Stanford University, where she studied structural enzymology of polyketide synthase (PKS) and the application to natural product biosynthesis.

The research in Tsai Lab at UCI focuses on the biosynthesis of natural products with high pharmaceutical impact, such as polyketides, sugars and fatty acids. The biosynthesis of these compounds is often accomplished by multi-domain enzyme mega-complexes with remarkable architectures. The goal of Tsai lab is to understand these multi-domain complexes and to utilize nature’s approach of biosynthesis. The research is highly inter-disciplinary: in terms of biology, it helps understand the architecture, catalysis and dynamics of these enzyme complexes that have biological significance; in terms of chemistry, it leads to libraries of de novo natural product analogs in a combinatorial fashion with high yield and efficiency.

 

Tau-Mu Yi
Department of Developmental and Cell Biology

Dr. Yi received his undergraduate degree in Biochemical Sciences from Harvard University, and his Ph.D. in Biology from MIT. He conducted his postdoctoral research in Systems Biology at Caltech.

Dr. Yi's lab is interested in understanding the robustness of biological systems, and in particular, the dynamics and regulation of G-protein signal transduction pathways. In yeast, haploid cells polarize and project toward their mating partner in response to peptide mating pheromones. The well-characterized signal transduction network mediating this behavior involves both heterotrimeric and small G-protein signaling with many features conserved in higher eukaryotes. The goal of this research is to demonstrate how the carefully controlled dynamics of G-protein signaling are essential for robust cell polarization. This lab uses a combination of quantitative experiments and mathematical modeling (i.e., Systems Biology).

 
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