Every organism needs to adapt to changes in its environment to ensure optimal growth and survival. In eukaryotes, the nervous system is responsible for gathering and processing information concerning changes in both the internal and external environments. To achieve this vital task, all organisms employ a variety of sensory modalities. The gathered information is deciphered and processed via complex circuits; ultimately allowing the organism to respond in a manner which is best suited for its survival and growth under the changing conditions. Elucidation of the molecular pathways, signaling networks and neuronal circuits involved in this pas de deux between an organism's environment and its survival is the long-term interest of our laboratory. TRP channels constitute a super-family of cation channels conserved from yeast to humans. A unifying theme in the physiology of this remarkable family of proteins is that they play fundamental roles in sensory transduction. Not only do they allow organisms to detect changes in the external environment by mediating the classical Aristotelian senses of taste, touch, smell, sight and hearing, but they also allow individual cells and even intracellular organelles to respond to changes in their local environment! Therefore, it is not surprising that many human diseases arise due to mutations affecting TRP channel function. In our laboratory, we study the physiological functions of TRP channels using Drosophila melanogaster as a model organism. Using a plethora of genetic and cell biological tools available for studying the neurobiology of Drosophila, we are engaged in understanding how these channels sense and transmit information to the nervous system. In addition to identifying the mechanisms involved in channel activation and regulation, we hope to map the neuronal circuits that utilize these channels.
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Affiliations
Research Consortia
Gulf Coast Consortium for Translational Pain Research
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