...Natasha V. Zhukovskaya; Masashi Fukuzawa; Yoko Yamada; Tsuyoshi Araki; Jeffrey G. Williams The ecmA gene is specifically expressed in prestalk cells and its transcription is induced by the chlorinated hexaphenone DIF-1. We have purified a novel bZIP transcription factor, DimB, by affinity...

... this regulatory role. We have overexpressed the Dictyostelium PKA catalytic subunit (PKAcat) in specific cell types during the multicellular stages, using prestalk and prespore cell-type-specific promoters to make PKA activity constititutive in these cells (independent of cAMP concentration). To examine...

...Linda Kwong; André Sobolewski; Leone Atkinson; Gerald Weeks ABSTRACT Cells from the pseudoplasmodial stage of Dictyostelium discoideum differentiation were dispersed and separated on Percoll gradients into prestalk and prespore cells. The requirements for stalk cell formation in low-density...