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The hunter-versus-hunted phenomenon exemplified by a pack of lionesses chasing down a lonely gazelle has been recreated in a Petri dish with lowly bacteria.
Working with colleagues at Caltech, Stanford and the Howard Hughes Medical Institute, a Duke University bioengineer has developed a living system using genetically altered bacteria that he believes can provide new insights into how the population levels of prey influence the levels of predators, and vice-versa.
The Duke experiment is an example of a synthetic gene circuit, where researchers load new “programming” into bacteria to make them perform new functions. Such re-programmed bacteria could see a wide variety of applications in medicine, environmental cleanup and biocomputing. In this particular Duke study, researchers rewrote the software of the common bacteria Escherichia coli (E. coli.) to form a mutually dependent living circuit of predator and prey.
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Tags: Bacteria, Bioengineering, Caltech, Duke University, E. Coli, Gazelles, Howard Hughes Medical Institute, Hunting, Lioness, Lions, Predators, Prey, Stanford, Zebras
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