Name:Streptomycespseudogriseolus Okami and Umezawa 1955 (Approved Lists 1980)
Category: Species
Proposed as: sp. nov.
Etymology:pseu.do.gri.se’o.lus.Gr. masc./fem. adj.pseudês, false; N.L. masc. adj.griseolus, a specific epithet; N.L. masc. adj.pseudogriseolus, the false griseolus referring to resemblance to Streptomyces griseolus
Effective publication:
Okami Y, Utahara R, Oyagi H, Makamura S, Umezawa H, Yanagisawa K, Tsunematsu Y. The screening of anti-toxoplasmic substance produced by streptomycete and anti-toxoplasmic substance N° 534. Journal of Antibiotics (Tokyo) Series A 1955; 8:126-131.
IJSEM list:
Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.
Nomenclatural status:
validly published under the ICNP
Taxonomic status:
correct name (and explicitly recommended for medical use)
heterotypic synonym, validly published under the ICNP
Notes:
⏰ According to Komaki (2026), this species is an earlier heterotypic synonym of Streptomycesgancidicus Suzuki 1957 (Approved Lists 1980).Publication:
Komaki H. Five new combinations and emended descriptions of two species related to subspecies in the genus Streptomyces. Int J Syst Evol Microbiol 2026; 76:7056. 🇯🇵
🏢 Synonymy of this taxon was mentioned in an IJSEM list.Publication:
Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 76, part 2 of the IJSEM. Int J Syst Evol Microbiol 2026; 76:7121.
✏ The authority of the taxon name (Okami and Umezawa) deliberately differs from the authors of the publication (Okami et al.).
😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
🎓 Name mentioned 8 times in PubMed until 2026-06-11.
🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the genus.
Assigned by:
Okami Y, Utahara R, Oyagi H, Makamura S, Umezawa H, Yanagisawa K, Tsunematsu Y. The screening of anti-toxoplasmic substance produced by streptomycete and anti-toxoplasmic substance N° 534. Journal of Antibiotics (Tokyo) Series A 1955; 8:126-131.
Linking:
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