The Actinomycetota are a diverse phylum of Gram-positive bacteria with high G+C content. They can be terrestrial or aquatic. They are of great economic importance to humans because agriculture and forests depend on their contributions to soil systems. In soil they help to decompose the organic matter of dead organisms so the molecules can be taken up anew by plants. While this role is also played by fungi, Actinomycetota are much smaller and likely do not occupy the same ecological niche. In this role the colonies often grow extensive mycelia, like a fungus would, and the name of an important order of the phylum, Actinomycetales, reflects that they were long believed to be fungi. Some soil actinomycetota live symbiotically with the plants whose roots pervade the soil, fixing nitrogen for the plants in exchange for access to some of the plant's saccharides. Other species, such as many members of the genus Mycobacterium, are important pathogens.
Streptomyces is the largest genus of Actinomycetota, and the type genus of the family Streptomycetaceae. Over 700 species of Streptomyces bacteria have been described. As with the other Actinomycetota, streptomycetes are gram-positive, and have very large genomes with high GC content. Found predominantly in soil and decaying vegetation, most streptomycetes produce spores, and are noted for their distinct "earthy" odor that results from production of a volatile metabolite, geosmin. Different strains of the same species may colonize very diverse environments.
Streptomyces calvus is a bacterium species from the genus of Streptomyces which has been isolated from soil in Dinepur in India. Streptomyces calvus produces nucleocidin, adiposin 1 and adiposin 2.
Streptomyces cinnamoneus is a bacterium species from the genus of Streptomyces which has been isolated from soil in Japan. Streptomyces cinnamoneus produces duramycin A, duramycin B, duramycin C, carbomycin, cinnomycin and fungichromin.
Streptomyces cuspidosporus is a bacterium species from the genus of Streptomyces which has been isolated from soil in Kyoto in Japan. Streptomyces cuspidosporus produces xylanase, sparsomycin and tubercidin.
Streptomyces filamentosus is a bacterium species from the genus of Streptomyces which has been isolated from soil. Streptomyces filamentosus produces caryomycin. Streptomyces filamentosus also produces the novel cyclic lipopeptide antibiotic daptomycin.
Streptomyces flaveus is a bacterium species from the genus of Streptomyces which has been isolated from soil.
Streptomyces flavovirens is a bacterium species from the genus of Streptomyces which has been isolated from soil. Streptomyces flavovirens produces the actinomycin complex and mureidomycin. A strain of this species has been used to produce pravastatin.
Streptomyces hebeiensis is a bacterium species from the genus of Streptomyces which has been isolated from soil from the Hebei province in China.
Streptomyces minutiscleroticus is a bacterium species from the genus of Streptomyces. Streptomyces minutiscleroticus produces the antibiotic aburamycin.
Streptomyces paradoxus is a bacterium species from the genus of Streptomyces which has been isolated from soil from Russia. Actinosporangium violaceum was transferred to Streptomyces paradoxus.
Streptomyces poonensis is a bacterium species from the genus of Streptomyces. Streptomyces poonensis can degrade 4-hydroxybenzoate.
Streptomyces recifensis is a bacterium species from the genus of Streptomyces which has been isolated from soil from Recife in Brazil.
Streptomyces torulosus is a bacterium species from the genus of Streptomyces which has been isolated from soil.
Streptomyces tricolor is a bacterium species from the genus of Streptomyces.
Streptomyces asenjonii is a bacterium species from the genus Streptomyces which has been isolated from hyper-arid soil from the Atacama Desert.
Ogataea is a genus of ascomycetous yeasts in the family Saccharomycetaceae. It was separated from the former genus Hansenula via an examination of their 18S and 26S rRNA partial base sequencings by Yamada et al. 1994.
Streptomyces altiplanensis is an alkalitolerant bacterium species from the genus of Streptomyces which has been isolated from soil from Salar del Huasco in the Atacama Desert.
