title: Signals and regulators that govern Streptomyces development.
abstract: Streptomyces coelicolor is the genetically best characterized species of a populous genus belonging to the gram-positive Actinobacteria. Streptomycetes are filamentous soil organisms, well known for the production of a plethora of biologically active secondary metabolic compounds. The Streptomyces developmental life cycle is uniquely complex and involves coordinated multicellular development with both physiological and morphological differentiation of several cell types, culminating in the production of secondary metabolites and dispersal of mature spores. This review presents a current appreciation of the signaling mechanisms used to orchestrate the decision to undergo morphological differentiation, and the regulators and regulatory networks that direct the intriguing development of multigenomic hyphae first to form specialized aerial hyphae and then to convert them into chains of dormant spores. This current view of S. coelicolor development is destined for rapid evolution as data from '-omics' studies shed light on gene regulatory networks, new genetic screens identify hitherto unknown players, and the resolution of our insights into the underlying cell biological processes steadily improve.
authors.affiliation: Department of Biological Sciences, Duquesne University, Pittsburgh, PA, USA.
authors.forename: Joseph R
authors.initials: JR
authors.lastname: McCormick
authors.forename: Klas
authors.initials: K
authors.lastname: Flärdh
mesh_terms: D015964:Gene Expression Regulation, Bacterial; D025301:Hyphae / Q000254:growth & development; D015398:Signal Transduction; D013171:Spores, Bacterial / Q000254:growth & development; D048372:Streptomyces coelicolor / Q000166:cytology / Q000235:genetics* / Q000254:growth & development* / Q000378:metabolism
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