NON-VIABILITY OF STALK CELLS IN DICTYOSTELIUM

Abstract
Evidence is presented that leads the authors to conclude that fully differentiated stalk cells lose their capacity to regenerate in the process of vacuolization and mutual compression leading to the formation of a mature parenchyma-like sorophore. The same occurs in any differentiating stalk cell once the central vacuole has expanded beyond the dimensions of the prior amoeboid cell body and a firm wall has been produced by the aging protoplast. The differences between these results and those of Sussman are discussed.

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