25968C

25968C
Caption: Streptomyces rimosus - Gram-positive, aerobic, filamentous, rod prokaryote (bacterium). Streptomyces spp. belongs to the Actinomycetes group and are bacteria that share many characteristics with fungi. They grow usually as filaments (chains of cells) and often branch to form a network of filaments (mycelium) in the soil. At the tips of filaments spore chains of indefinite length develop (not seen in this image). These soil bacteria are responsible for the musty odor of soil. Some Streptomyces bacteria produce antibiotics such as streptomycin. Streptomyces rimosus is notably the most characterized industrial streptomycete producer of oxytetracycline and other tetracycline antibiotics. Although resistance to these antibiotics has reduced their clinical use in recent years, tetracyclines have an increasing role in the treatment of emerging infections and non-infective diseases.
Magnification*: x2,400
Type: SEM
Copyright 2009 Dennis Kunkel Microscopy, Inc.
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