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Differentiation and Anaerobiosis in Standing Liquid Cultures of Streptomyces coelicolor

Lookup NU author(s): Dr Dennis Claessen

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Abstract

Streptomyces coelicolor differentiates on solid agar media by forming aerial hyphae that septate into spores. We here show that differentiation also occurs in standing liquid minimal media. After a period of submerged growth, hyphae migrate to the air interface, where they become fixed by a rigid reflecting film. Colonies that result from these hyphae form sporulating aerial hyphae. In addition, submerged hyphae in the liquid minimal medium may attach to the surface. Liquid standing cultures easily become anoxic only 1 to 2 mm below the surface. Yet, biomass increases, implying the existence of metabolic pathways supporting anaerobic growth.

Publication metadata

Author(s): Claessen D; van Keulen G; Jonkers HM; Dijkhuizen L; Wösten HAB

Publication type: Article

Publication status: Published

Journal: Journal of Bacteriology

Year: 2003

Volume: 185

Issue: 4

Pages: 1455-1458

ISSN (print): 0021-9193

ISSN (electronic): 1098-5530

Publisher: American Society for Microbiology

URL: http://dx.doi.org/10.1128/JB.185.4.1455-1458.2003

DOI: 10.1128/JB.185.4.1455-1458.2003

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