Autonomous and non-autonomous traits mediate social cooperation in Dictyostelium discoideum.

Abstract excerpt

In the trishanku (triA-) mutant of the social amoeba Dictyostelium discoideum, aggregates are smaller than usual and the spore mass is located mid-way up the stalk, not at the apex. We have monitored aggregate territory size, spore allocation and fruiting body morphology in chimaeric groups of (quasi-wild-type) Ax2 and triA- cells. Developmental canalisation breaks down in chimaeras and leads to an increase in...

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