Species Streptacidiphilus griseoplanus

Name: Streptacidiphilus griseoplanus (Backus et al. 1957) Nouioui et al. 2019

Category, proposed as: species, comb. nov.

Basonym: Streptomyces griseoplanus Backus et al. 1957 (Approved Lists 1980)

Etymology: gri.se.o.pla’nus. M.L. masc. adj. griseus, grey; L. masc. adj. planus, flat, level; N.L. masc. adj. griseoplanus, flat, grey, referring to the restricted, flat, planar growth and greyish spore colour en masse of the organism

Pronunciation (Latin), gender: strept-a-ki-DI-p^hi-lus gri-se-o-PLA-nus, masculine

Type strain: ATCC 19766; BCRC 13649; CBS 504.68; CCRC 13649; CGMCC 4.1868; DSM 40009; IFO 12779; ISP 5009; JCM 4300; JCM 4582; NBRC 12779; NCIB 9811; NCIMB 9811; NRRL B-3064; NRRL ISP-5009; RIA 1046; UNIQEM 152; VKM Ac-1727; VTT E-073013

See detailed strain information at

16S rRNA gene: AB184138 Analyse FASTA

Valid publication: Nouioui I, Klenk HP, Igual JM, Gulvik CA, Lasker BA, McQuiston JR. Streptacidiphilus bronchialis sp. nov., a ciprofloxacin-resistant bacterium from a human clinical specimen; reclassification of Streptomyces griseoplanus as Streptacidiphilus griseoplanus comb. nov. and emended description of the genus Streptacidiphilus. Int J Syst Evol Microbiol 2019; 69:1047-1056. 🇺🇸

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 69, part 4 of the IJSEM. Int J Syst Evol Microbiol 2019; 69:1847-1849.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Peterkaempfera griseoplana (Backus et al. 1957) Madhaiyan et al. 2022

Risk group: 1

• Synonyms:

  • Name	Kind
    Peterkaempfera griseoplana (Backus et al. 1957) Madhaiyan et al. 2022	homotypic synonym, validly published under the ICNP
    Streptomyces griseoplanus Backus et al. 1957 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Streptacidiphilus griseoplanus is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Streptacidiphilus.
  • 😷 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 3 times in PubMed until 2026-06-11.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the genus.

Parent taxon: Streptacidiphilus Kim et al. 2003

Assigned by: Nouioui I, Klenk HP, Igual JM, Gulvik CA, Lasker BA, McQuiston JR. Streptacidiphilus bronchialis sp. nov., a ciprofloxacin-resistant bacterium from a human clinical specimen; reclassification of Streptomyces griseoplanus as Streptacidiphilus griseoplanus comb. nov. and emended description of the genus Streptacidiphilus. Int J Syst Evol Microbiol 2019; 69:1047-1056. 🇺🇸

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Record number: 801385