Streptomyces (genus)

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Literature database
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Streptomyces scabiei symptoms on potato tuber (click on image to enlarge it)
Source: Wikimedia Commons

Streptomyces Waksman & Henrici 1943

This is a large genus with over 500 species of soil-inhabiting bacteria. They are mainly saprophytes but various species are known to be important plant pathogens attacking roots and tubers. Streptomyces scabiei and related species like Streptomyces acidiscabies or Streptomyces turgidiscabies cause potato scab and other crop diseases.

The bacteria are aerobic and Gram-positive. They resemble fungi and are filamentous, forming branching hyphae in a "mycelium" as well as spores (conidia). Following a period of vegetative growth the species produce aerial hyphae which rise over the substrate once the nutrients are depleted. The aerial hyphae are transformed into spores with thick walls which become dormant, disperse and later germinate.

For a taxonomic review see Huguet-Tapia et al., 2016.

The literature database currently contains 194 publications for Streptomyces (genus). Please note that literature records for genera may not be complete. See box above on left for queries from the literature database.

Currently, the following species have been entered into the system: