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Streptomyces griseus is a species of bacteria in the genus Streptomyces commonly found in soil. A few strains have been also reported from deep-sea sediments. It is a Gram-positive bacterium with high GC content .
Streptomyces isolates have yielded the majority of human, animal, and agricultural antibiotics, as well as a number of fundamental chemotherapy medicines.Streptomyces is the largest antibiotic-producing genus of Actinomycetota, producing chemotherapy, antibacterial, antifungal, antiparasitic drugs, and immunosuppressants. [1]
Streptomyces is the largest genus of Actinomycetota, and the type genus of the family Streptomycetaceae. [3] Over 700 species of Streptomyces bacteria have been described. [ 4 ] [ 5 ] [ 6 ] As with the other Actinomycetota, streptomycetes are gram-positive , and have very large genomes with high GC content .
Streptomyces griseofuscus is a bacterium species from the genus of Streptomyces which has been isolated from soil in Japan. [ 1 ] [ 2 ] Streptomyces griseofuscus produces azinomycin A , azinomycin B , bundlin A , bundlin B , moldicidin A , physostigmine , fungichromin and pentamycin .
Streptomyces griseoviridis is a filamentous bacterium species from the genus Streptomyces, which was isolated from soil in Texas, United States. [ 1 ] [ 2 ] [ 3 ] Streptomyces griseoviridis produces etamycin , griseoviridin , bactobolin , prodigiosin R1 , actinobolin , and rosophilin .
Farinamycin is a quinazoline metabolite that has been isolated from Streptomyces griseus. It is the first known metabolite to be produced by S. griseus that is not a phenoxazinone antibiotic. Farinamycin is formed from the condensation of 3-OH-anthranalite and 3,4-AHBA building blocks that later combine with Enaminomycin C biosynthetically.
Cycloheximide is a naturally occurring fungicide produced by the bacterium Streptomyces griseus.Cycloheximide exerts its effects by interfering with the translocation step in protein synthesis (movement of two tRNA molecules and mRNA in relation to the ribosome), thus blocking eukaryotic translational elongation.
It is derived from Streptomyces griseus and is the earliest modern agent used against tuberculosis. Streptomycin lacks the common 2-deoxystreptamine moiety (image right, below) present in most other members of this class.