Bacteria Also Vote

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Science  14 Jun 1996:
Vol. 272, Issue 5268, pp. 1598-1599
DOI: 10.1126/science.272.5268.1598


A report by Moré et al. (p. 1655) describes the biosynthesis of an autoinducer from Agrobacterium tumefaciens, a molecule that signals bacterial density of a culture (a quorum sensor). The Perspective by Kaiser reviews what is known about autoinducers from a number of microorganisms and speculates about their identity as predecessors of hormone-hormone receptor systems of eukaryotes.