New Latin, from strepto- + Greek mykēs fungus — more at myc-
First Known Use: 1944
Medical Definition of STREPTOMYCES
capitalized: the type genus of the family Streptomycetaceae comprising mostly soil actinomycetes including some that form antibiotics as by-products of their metabolism
pluralstreptomyces: any bacterium of the genus Streptomyces
Any of the threadlike bacteria that make up the genus Streptomyces, occurring in soil and water. These gram-positive (seegram stain), oxygen-requiring bacteria form a branching net called a mycelium that bears chains of spores at maturity. Many species are important in the decomposition of organic matter in soil, contributing in part to the earthy odour of soil and decaying leaves and to the fertility of soil. Certain species produce antibiotics such as tetracycline and streptomycin. See alsoactinomycete.