Research Overview
Cell-Cell Communication in Symbiotic Marine Microorganisms
Cell-cell communication refers to the signals that pass between cells that govern cellular activities and coordinate cellular actions. This includes signals passing between different species that form close relationships and depend on one another for their mutual survival. These close relationships, called symbioses, depend on the ability of the cooperating organisms to control their gene expression in ways that facilitate this cooperation.
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Research Description
Research Area: Microbial genetics
Research Specialties: Cell-cell communication and sensory transduction with emphasis on how regulation of gene expression helps microorganisms adapt to a changeable environment.
The goal of our research is to learn how cells communicate with their environment and how that information is used to control gene expression and enhance survival. We are specifically interested in a ubiquitous group of marine heterotrophic bacteria, members of the Roseobacter clade, and their interactions with other bacteria and eukaryotes in the ocean. Our Roseobacter research projects cover five areas: (1) genomics, (2) motility and chemotaxis, (3) biofilm formation, (4) production of antibiotics, and (5) coral bleaching and ocean health...
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Representative Publications
Quesenberry, M.S., K. Saito, D. Krupatkina, J.A.F. Robledo, T. Drgon, W.T. Pecher, N. O'Leary, M. Alavi, T. Miller, R.E. Schneider, R. Belas, J.R. Deeds, A.R. Place, Y. Zohar, and G.R. Vasta. 2002. Bioassay for ichthyocidal activity of Pfiesteria piscicida: characterization of a culture flask assay format. J. Appl. Phycol. In press.
Schneider, R., C.V. Lockatell, D. Johnson, and R. Belas. 2002. Detection and mutation of a luxS-encoded autoinducer in Proteus mirabilis. Microbiol. 148:773-782.
Alavi, M., T. Miller, K. Erlandson, R. Schneider, and R. Belas. 2001. Bacterial community associated with Pfiesteria-like dinoflagellate cultures. Environ. Microbiol. 3:380-396. (Cover photograph).
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