Name: Pontibacillus halophilus Chen et al. 2009

Category: Species

Proposed as: sp. nov.

Etymology: ha.lo’phi.lus. Gr. masc. n. hals, salt; N.L. masc. adj. suff. -philus, loving; from Gr. masc. adj. philos, loving; N.L. masc. adj. halophilus, salt-loving

Pronunciation, gender: ha-LO-p^hi-lus, masculine

Type strain: CCTCC AA 207029; DSM 19796; JSM 76056; KCTC 13190

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EU583728 Analyse FASTA

Valid publication: Chen YG, Zhang YQ, Xiao HD, Liu ZX, Yi LB, Shi JX, Zhi XY, Cui XL, Li WJ. Pontibacillus halophilus sp. nov., a moderately halophilic bacterium isolated from a sea urchin. Int J Syst Evol Microbiol 2009; 59:1635-1639.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 59, part 7 of the IJSEM. Int J Syst Evol Microbiol 2009; 59:2381-2382.

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. 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 phylogenomic assignment score of this taxon is 0.04973 (N = 101).
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 2 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — 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 6 times in PubMed until 2025-06-04.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Mukherjee S, Seshadri R, Varghese NJ, Eloe-Fadrosh EA, Meier-Kolthoff JP, Goker M, Coates RC, Hadjithomas M, Pavlopoulos GA, Paez-Espino D, et al. 1,003 reference genomes of bacterial and archaeal isolates expand coverage of the tree of life. Nat Biotechnol 2017; 35:676-683.

Parent taxon: Pontibacillus Lim et al. 2005

Assigned by: Chen YG, Zhang YQ, Xiao HD, Liu ZX, Yi LB, Shi JX, Zhi XY, Cui XL, Li WJ. Pontibacillus halophilus sp. nov., a moderately halophilic bacterium isolated from a sea urchin. Int J Syst Evol Microbiol 2009; 59:1635-1639.

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Record number: 787978