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. Author manuscript; available in PMC: 2014 Apr 2.
Published in final edited form as: Curr Trends Microbiol. 2012;8:65–73.

Fig. 1. Streptomyces developmental cycle in solid cultures.

Fig. 1

(a) Cross section of a 36-hour colony (0.5 cm diameter) of Streptomyces antibioticus ATCC11891 stained with SYTO 9 and propidium iodide and observed under the confocal microscope. (b) Cell-cycle features of Streptomyces development. In red, newly described structures and the proposed nomenclature: MI, first compartmentalized mycelium; MII, second multinucleated mycelium. Classical nomenclature (substrate and aerial mycelium) and hydrophobic layers (in grey) are also indicated. PCD, programmed cell death.