Name: Exiguobacterium alkaliphilum Kulshreshtha et al. 2013

Category: Species

Proposed as: sp. nov.

Etymology: al.ka.li’phi.lum. N.L. neut. n. alkali, alkali (from Arabic alqali, ashes of salt wort) (indeclinable); Gr. masc. adj. philos, loving; N.L. neut. adj. suff. -philum, loving, friendly to; N.L. neut. adj. alkaliphilum, loving alkaline conditions

Pronunciation, gender: al-ka-LI-p^hi-lum, neuter

Type strain: 12/1; CCM 8459; DSM 21148

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EU379016 Analyse FASTA

Valid publication: Mohan Kulshreshtha N, Kumar R, Begum Z, Shivaji S, Kumar A. Exiguobacterium alkaliphilum sp. nov. isolated from alkaline wastewater drained sludge of a beverage factory. Int J Syst Evol Microbiol 2013; 63:4374-4379. 🇮🇳

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 63, part 12 of the IJSEM. Int J Syst Evol Microbiol 2014; 64:697-699.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 1

• Notes:
  • 😢 The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. Contrasting the term "chemotaxonomic" with "phenotypic" is not recommended. Using the term "phylogenetic data" (or equivalent) for sequence data is not advocated. See the LPSN phylogeny page for details. Publication: Göker M. What can genome analysis offer for bacteria? In: Bridge P, Smith D, Stackebrandt E (eds), Trends in the systematics of bacteria and fungi, CAB International, Wallingford, 2021, p. 255-281. 🇬🇧
  • 😷 The risk group for Germany has been imported on 2023-10-29. 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 4 times in PubMed until 2025-06-04.
  • 🙆 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.

Parent taxon: Exiguobacterium Collins et al. 1984

Assigned by: Mohan Kulshreshtha N, Kumar R, Begum Z, Shivaji S, Kumar A. Exiguobacterium alkaliphilum sp. nov. isolated from alkaline wastewater drained sludge of a beverage factory. Int J Syst Evol Microbiol 2013; 63:4374-4379. 🇮🇳

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Record number: 791357