Name: Natronomonas Kamekura et al. 1997

Category: Genus

Proposed as: gen. nov.

Etymology: Na.tro.no.mo’nas. N.L. neut. n. natron, derived from Arabic natrun, soda [sodium carbonate]; L. fem. n. monas, unit; N.L. fem. n. Natronomonas, the soda unit

Gender: feminine (stem: Natronomonad-)

Type species: Natronomonas pharaonis (Soliman and Trüper 1983) Kamekura et al. 1997

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Kamekura M, Dyall-Smith ML, Upasani V, Ventosa A, Kates M. Diversity of alkaliphilic halobacteria: proposals for transfer of Natronobacterium vacuolatum, Natronobacterium magadii, and Natronobacterium pharaonis to Halorubrum, Natrialba, and Natronomonas gen. nov., respectively, as Halorubrum vacuolatum comb. nov., Natrialba magadii comb. nov., and Natronomonas pharaonis comb. nov., respectively. Int J Syst Bacteriol 1997; 47:853-857.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 47, part 3 of the IJSB. Int J Syst Bacteriol 1997; 47:1275-1276.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Emendations:
  • Burns et al. 2010 Burns DG, Janssen PH, Itoh T, Minegishi H, Usami R, Kamekura M, Dyall-Smith ML. Natronomonas moolapensis sp. nov., non-alkaliphilic isolates recovered from a solar saltern crystallizer pond, and emended description of the genus Natronomonas. Int J Syst Evol Microbiol 2010; 60:1173-1176. Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 60, part 5 of the IJSEM. Int J Syst Evol Microbiol 2010; 60:1715-1716.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 1 new species in the genus.
  • Kim et al. 2013 Kim TY, Kim SJ, Park SJ, Kim JG, Cha IT, Jung MY, Lee SA, Roh SW, Yim KJ, Itoh T, et al. Natronomonas gomsonensis sp. nov., isolated from a solar saltern. Antonie Van Leeuwenhoek 2013; 104:627-635. Oren A, Garrity GM. List of changes in taxonomic opinion no. 19. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2014; 64:8-10.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 1 new species in the genus.
    • 😢 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. Whether taxa can have "members" is debatable. See the LPSN phylogeny page for details.

• Notes:
  • 🥇 Nomenclatural type of the family "Natronomonadaceae" Zhu et al. 2025. Publication: Zhu LR, Mao YL, Hu Y, Sun YP, Hou J, Cui HL. Genome-based taxonomy of the family Haloarculaceae, proposal of Natronomonadaceae fam. nov., and description of four novel halophilic archaea from two saline lakes and a marine solar saltern. Syst Appl Microbiol 2025; 48:126592.
  • 🧕 Cui et al. (2023) assigned this genus to the family Haloarculaceae Gupta et al. 2016. Publication: Cui C, Han D, Hou J, Cui HL. Genome-based classification of the class Halobacteria and description of Haladaptataceae fam. nov. and Halorubellaceae fam. nov. Int J Syst Evol Microbiol 2023; 73:5984.
  • 🚋 The type species of this genus has alternatively been placed in the genus Halobacterium Elazari-Volcani 1957 (Approved Lists 1980). Publication: Soliman GSH, Trüper HG. Halobacterium pharaonis sp. nov., a new, extremely haloalkaliphilic archaebacterium with low magnesium requirement. Zentralbl. Bakteriol. Parasitenkd. Infektionskr. Hyg. Abt. 1 Orig. 1982; C3:318-329.
  • 🚋 The type species of this genus has alternatively been placed in the genus Natronobacterium Tindall et al. 1984. Publication: Tindall BJ, Ross HNM, Grant WD. Natronobacterium gen. nov. and Natronococcus gen. nov., two new genera of haloalkaliphilic archaebacteria. Syst. Appl. Microbiol. 1984; 5:41-57.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Natoronomonas"; "Natromonas"; "Natronomoizas"; "Natrononomonas"; "Natrrmomonas".
  • 📧 The e-mail address of the corresponding author given in the effective publication is not functional any more.
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Oren A, Arahal DR, Ventosa A. International Committee on Systematics of Prokaryotes Subcommittee on the Taxonomy of Halobacteria and Subcommittee on the Taxonomy of Halomonadaceae. Minutes of the joint open meeting, 28 June 2022, Alicante, Spain. Int J Syst Evol Microbiol 2022; 72:5584.
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Oren A, Ventosa A. International Committee on Systematic Bacteriology Subcommittee on the taxonomy of Halobacteriaceae. Minutes of the meetings, 16 August 1999, Sydney, Australia. Int J Syst Evol Microbiol 2000; 50:1405-1407.
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Oren A, Ventosa A. International Committee on Systematics of Prokaryotes Subcommittee on the taxonomy of Halobacteriaceae and Subcommittee on the taxonomy of Halomonadaceae. Minutes of the meeting 30 June 2010, Beijing, China. Int. J. Syst. Evol. Microbiol. 2010; 60:2257-2259.
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Arahal DR, Oren A, Ventosa A. International Committee on Systematics of Prokaryotes Subcommittee on the taxonomy of Halobacteria and Subcommittee on the taxonomy of Halomonadaceae. Minutes of the joint open meeting, 11 July 2017, Valencia, Spain. Int J Syst Evol Microbiol 2017; 67:4279-4283.
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Oren A, Ventosa A. International Committee on Systematics of Prokaryotes Subcommittee on the taxonomy of Halobacteriaceae and Subcommittee on the taxonomy of Halomonadaceae: minutes of the joint open meeting, 31 July 2014, Montreal, Canada. Int J Syst Evol Microbiol 2014; 64:3915-3918.
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Sun et al. (2023). Editors in search of reviewers are advised to consider additional criteria such as whether a taxon is covered by one of the ICSP subcommittees.
  • 🧬 The phylogenomic assignment score of this taxon is -0.02295 (N = 6).
  • 🎰 The BRCs most frequently used for deposits in this group are: JCM: 8; CGMCC: 4; CECT: 3; DSM: 2; CCM: 2; KCTC: 1; IFO: 1; NBRC: 1; CIP: 1; NCIMB: 1.

Subdivision:

Number of child taxa with a validly published and correct name: 8
Number of child taxa with a validly published name, including synonyms: 8
Total number of child taxa: 9

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Natronomonas amylolytica" Cui et al. 2024	not validly published	preferred name (not correct name)
    Natronomonas aquatica García-Roldán et al. 2023	validly published under the ICNP	correct name
    Natronomonas gomsonensis Kim et al. 2014	validly published under the ICNP	correct name
    Natronomonas halophila Yin et al. 2020	validly published under the ICNP	correct name
    Natronomonas marina Sun et al. 2023	validly published under the ICNP	correct name
    Natronomonas moolapensis Burns et al. 2010	validly published under the ICNP	correct name
    Natronomonas pharaonis (Soliman and Trüper 1983) Kamekura et al. 1997	validly published under the ICNP	correct name
    Natronomonas salina Yin et al. 2020	validly published under the ICNP	correct name
    Natronomonas salsuginis Durán-Viseras et al. 2020	validly published under the ICNP	correct name

Parent taxon: Halobacteriaceae Gibbons 1974 (Approved Lists 1980)

Assigned by: Burns DG, Janssen PH, Itoh T, Minegishi H, Usami R, Kamekura M, Dyall-Smith ML. Natronomonas moolapensis sp. nov., non-alkaliphilic isolates recovered from a solar saltern crystallizer pond, and emended description of the genus Natronomonas. Int J Syst Evol Microbiol 2010; 60:1173-1176.

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Record number: 516155