Name: Gracilibacillus alcaliphilus Hirota et al. 2014

Category: Species

Proposed as: sp. nov.

Etymology: al.ca.li’phi.lus. N.L. neut. n. alcali, alkali (indeclinable); from Arabic article al, the; from Arabic masc. n. qaly, ashes of saltwort; N.L. adj. philus -a -um, friend, loving; from Gr. adj. philos -ê -on, loving; N.L. masc. adj. alcaliphilus, liking alkaline media

Pronunciation, gender: al-ka-LI-p^hi-lus, masculine

Type strain: JCM 17253; NCIMB 14683; SG 103

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB854047 Analyse FASTA

Valid publication: Hirota K, Hanaoka Y, Nodasaka Y, Yumoto I. Gracilibacillus alcaliphilus sp. nov., a facultative alkaliphile isolated from indigo fermentation liquor for dyeing. Int J Syst Evol Microbiol 2014; 64:3174-3180.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 64, part 9 of the IJSEM. Int J Syst Evol Microbiol 2014; 64:3923-3925.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

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. Whether taxa can have "members" is debatable. 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 5 times in PubMed until 2025-06-04.

Parent taxon: Gracilibacillus Wainø et al. 1999

Assigned by: Hirota K, Hanaoka Y, Nodasaka Y, Yumoto I. Gracilibacillus alcaliphilus sp. nov., a facultative alkaliphile isolated from indigo fermentation liquor for dyeing. Int J Syst Evol Microbiol 2014; 64:3174-3180.

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Record number: 792144