Actinoplanes Swims into the Molecular Age.

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The survival strategy of Actinoplanes is fascinating from an evolutionary perspective, combining a short motile phase in an otherwise nonmotile, filamentous life cycle and the somewhat paradoxical concept of spores-normally thought of as a resting stage-that swim. In the first paper to report a molecular genetic analysis of development in Actinoplanes, the authors identify a key regulator of the entry into development (Y. Mouri, K. Konishi, A. Fujita, T. Tezuka, Y. Ohnishi, J Bacteriol 199:e00840-16, 2017,