Abstract
Summary
What appears to be a new variant of Pseudomonas aeruginosa is described. It is characterized by the production of large amounts of gelatinous material when grown on media containing glycerol, and on solid media gives rise to markedly raised colonies of a stiff jelly-like consistency and to a thick gelatinous layer near the surface of liquid media. The variation seems to be entirely one of ability to utilize glycerol for the production of the particularly gelatinous material, and to be unrelated to any one of the several basic colony forms known to occur in this species.
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