Fig. 3. Developmental morphology of wild-type and forC mutant cells. (A) Morphology of fruiting bodies of wild-type (left) and forC cells (right) on lawns of Klebisiella aerogenes. forC cells made aberrant fruiting bodies. (B) Time lapse recording of wild-type (upper row) and forC (lower row) development on MES plates. The times (hours) after the onset of starvation are indicated above the pictures. (C) Slug formation by wild-type (left) and forC (right) cells. When wild-type and forC cells were starved on unbuffered agar plates, wild-type cells formed slugs, while forC cells remained as tipped mounds. (D) Complementation of the forC phenotype by supplying a plasmid that expresses ForC or GFP-ForC. forC cells carrying each plasmid indicated above the pictures were allowed to develop on MES agar plates.

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