ABSTRACT
We have demonstrated two interesting facts about the transition from the migration stage to the final fruiting stage of Dictyostelium discoideum. One is that fruiting is favoured on acid substrata, and secondly, migrating slugs tend to migrate towards the acid side of a pH gradient. The suggestion is offered that these results can be interpreted in terms of the effects of NH3. It appears to be an additional mechanism (besides phototaxis and thermotaxis) to assure that the final fruiting takes place in a favourable environment.
Copyright © 1985 by Company of Biologists
1985
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