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Science 21 January 1972:
Vol. 175. no. 4019, pp. 333 - 335
DOI: 10.1126/science.175.4019.333
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Articles

Control of Aggregation in Dictyostelium discoideum by an External Periodic Pulse of Cyclic Adenosine Monophosphate

Anthony Robertson 1, David J. Drage 1, and Morrel H. Cohen 1

1 Department of Theoretical Biology, University of Chicago, Chicago, Illinois 60637

We have induced and controlled normal aggregation of Dictyostelium discoideum amoebas by electrophoretic release of pulses of cyclic adenosine monophosphate from a microelectrode. This has yielded information about the sequence of development of aggregation competences during interphase. We believe that modifications of the technique will have wide application in investigations of other developing systems.


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