1887

Abstract

Homogeneous swarm cell populations of , selected from the late-exponential phase of growth, when cultured photoheterotrophically on solid medium yield two distinct colony types. These reflect two vegetative cell cycle expressions, one composed of the characteristic multicellular complexes, the other of a ‘simplified’ cell cycle composed of prosthecate, reproductive cells and motile swarm cells. This simplified cell cycle has been characterized and its derivation is discussed. The implication of the CO concentration as a factor in the control of expression of this cell cycle is also considered.

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1980-03-01
2022-01-19
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