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The genome of S. scabiei has been sequenced and is the largest Streptomyces genome known so far. The genome contains a pathogenicity island containing the genes required for S. scabiei to infect plants, and which can be transferred between different species.
Scabies (/ ˈ s k eɪ b iː z, ˈ s k eɪ b i iː z /; [10] also sometimes known as the seven-year itch) [1] is a contagious human skin infestation by the tiny (0.2–0.45 mm) mite Sarcoptes scabiei, [1] [3] variety hominis. The word is from Latin: scabere, lit. 'to scratch'. [11] The most common symptoms are severe itchiness and a pimple-like ...
Sarcoptes scabiei (/sɑːrˈkɒptiːz skeɪˈbiːaɪ/ Traditional English pronunciation of Latin) or the itch mite is a parasitic mite found in all parts of the world that burrows into skin and causes scabies. Humans become infested by Sarcoptes scabiei var. hominis; [1] other mammals can be
The genome sequence of S. scabiei, a member of the genus with the ability to cause potato scab disease, has been determined at the Wellcome Trust Sanger Institute. At 10.1 Mbp long and encoding 9,107 provisional genes, it is the largest known Streptomyces genome sequenced, probably due to the large pathogenicity island. [22] [23]
Gene nomenclature was established by the HUGO Gene Nomenclature Committee (HGNC), a committee of the Human Genome Organisation, for each known human gene in the form of an approved gene name and symbol (short-form abbreviation), which can be accessed through a database maintained by HGNC. Symbols are chosen to be unique, and each gene has only ...
A few years later, in 1687, the Italian biologists Giovanni Cosimo Bonomo and Diacinto Cestoni published that scabies is caused by the parasitic mite Sarcoptes scabiei, marking scabies as the first disease of humans with a known microscopic causative agent. [7]
S. s. var. suis In other cases, as with S. equi and S. anthracis , these are sometimes considered distinct species. The term Sarcoptes canis appears in older references, [ 1 ] but is now usually described as Sarcoptes scabiei var. canis [ 2 ] or Sarcoptes scabiei canis .
Common scab is a plant disease of root and tuber crops caused by a small number of Streptomyces species, specifically S. scabies, S. acidiscabies, S. turgidiscabies and others. Common scab mainly affects potato ( Solanum tuberosum ), but can also cause disease on radish ( Raphanus sativus ), parsnip ( Pastinaca sativa ), beet ( Beta vulgaris ...