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The ChemGen IGERT Program Graduate Student training in interdisciplinary science is available within the Center for Plant Cell Biology's ChemGen IGERT (Integrative Graduate Education and Research Trainnee) program, sponsored by the National Science Foundation and founded by leading practitioners of chemical genomics. Effective September 2005, the five-year program will train 23 Ph.D. students versed in cell biology, chemistry, computational sciences and engineering, in advanced chemical genomics. Graduate students in this innovative training program will become adept practitioners in this new field of chemical genomics and address exciting fundamental biological mechanisms with broad relevance from biotechnology to human health. The program is spearheaded by IGERT Director and Genetics Professor Julia Bailey-Serres, with the participation of Plant Cell Biology Professor Natasha Raikhel, Chemistry Professor Michael Pirrung, Computer Science Professor Tao Jiang, and Biochemical Engineering Professor Jerome Schultz. Post-genomic science requires interdisciplinary approaches that advance the understanding of all biological systems, from molecular interactions, to pathways, to multicellular developmental programs. The goal of the CEPCEB ChemGen IGERT program is to provide students with a team-based research environment that intercalates engineers, chemists and bio-informaticians into research teams with cell biologists. This fusion of minds and approaches is critical to advance the field of plant and plant pathogen cell biology. A New Approach to Study the Functions of Genes and Biological Pathways The completion of the genomic sequences of many organisms has created a vast resource of information as well as a vast challenge in understanding how all genes function within the cellular network. Traditional genetic techniques to study gene function involve deleting the gene, or perhaps destabilizing the mRNA that comes from it, and observing biological changes. These methods are limited in their ability to make changes in a temporal and spatial manner. As a result, some questions of gene function may not be easily addressed because of problems with lethality, for example. The presence of genes with redundant function in some organisms also compromises the traditional genetic approach. The field of chemical genomics arose from the realization that chemical compounds can be used to study the fundamental biology of cells through their effects on genes and gene products. For example, the powerful combination of genetic resources in the model plant Arabidopsis and advances in combinatorial chemistry provides an unprecedented opportunity to understand fundamental aspects of plant development and cellular processes. Aim of Chemical Genomics One outcome of a chemical genomics approach would be the identification and use of a chemical that can penetrate cells, is stable within them, and can act very specifically on a single gene product or on a particular pathway. The chemical target can be one or several proteins in the pathway. The requirement for cell penetration is best met with compounds of molecular weight less than ca. 700. The ideal outcome of chemical genomics is "a small molecule to modulate the activity of each known protein." Because there are so many proteins (tens of thousands) within a cell, success depends on the availability and testing of large numbers of compounds. Chemical genomics has thus been enabled by combinatorial chemical techniques, which permit the rapid preparation of large numbers of chemical candidates and methods for rapid biological testing, so-called high-throughput screening. The following criteria must be met by Ph.D. students interested in applying for ChemGen IGERT funding:
For further information on applying to graduate programs at UCR, please visit the Graduate Division. Benefits to Becoming a ChemGen IGERT Fellow
As noted above, interdisciplinary, computational approaches are becoming increasingly necessary for practicing and advancing science in today's world. All IGERT students will be provided extensive opportunities for interdisciplinary interactions and training. This will involve coursework, a design studio, frequent colloquia, an annual research retreat, interactions with undergraduates and biology teachers, research conferences and internship opportunities. To ensure this cross-disciplinary training, all students will have two major professors from two disciplines and attend lab meetings from both research groups.
ChemGen IGERT students will receive the following forms of financial support:
The ChemGen Colloquium Series hosts prominent scientists with expertise in chemical genomics, chemistry, engineering, bioinformatics/computational sciences, and cell biology. Students will be directly involved in inviting and hosting these speakers, which will enhance their exposure to outstanding scientists and provide contacts that may be of value for many years to come. This forum allows CEPCEB graduate students, postdoctoral researchers, NSF-REU students, special guest speakers and faculty the opportunity to present their hypotheses and findings in an informal and interactive setting. Two ChemGen IGERT seminars are usually held each month.
IGERT students and their faculty mentors will participate in an annual weekend retreat, designed to foster effective interaction and communication between students and faculty of different academic backgrounds. In addition to providing students an opportunity to present their findings in a moderately formal setting, the retreat assists new students in identifying faculty member's laboratories for rotations. A vital component of the retreat is the participation of a Keynote Speaker from another institution or from industry, who is an established investigator in the field of chemical genomics. For additional information on applying to graduate student training in the ChemGen IGERT Program, please contact:
Dobson CM (2004) Chemical Space and Biology. Nature, 432: 824-8. Surpin M, Rojas-Pierce M; Carter C, Hicks GR, Vasquez J, Raikhel NV (2005) The power of chemical genomics to study the link between endomembrane system components and the gravitropic response. Proc Natl Acad Sci USA 102: 4902-7. Pirrung M, Raikhel NV (2005) Adding Precision Tools to the Plant Biologists' Toolbox with Chemical Genomics. Plant Physiol 1 38: 563-564. Zouhar J, Hicks G, Raikhel NV (2004) Sorting inhibitors (Sortins): Chemical compounds to study vacuolar sorting in Arabidopsis. Proc Natl Acad Sci USA 101:9497-9501.
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