Name: Alkalispirillum Rijkenberg et al. 2025

Category: Genus

Proposed as: gen. nov.

Etymology: Al.ka.li.spi.ril’lum. N.L. neut. n. alkali, alkali (indeclinable); from Arabic article al, the; from Arabic masc. n. qaly, ashes of saltwort; Gr. fem. n. speîra, a spiral; N.L. neut. dim. n. spirillum, a small spiral; N.L. neut. dim. n. Alkalispirillum, a small spiral living under alkaline conditions

Gender, pronunciation (Latin): neuter (stem: Alkalispirill-), al-ka-li-spi-RIL-lum

Type species: Alkalispirillum mobile Rijkenberg et al. 2025

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Rijkenberg MJ, Kort R, Hellingwerf KJ. Alkalispirillum mobile gen. nov., spec. nov., an alkaliphilic non-phototrophic member of the Ectothiorhodospiraceae. Arch Microbiol 2001; 175:369-375. 🇳🇱

IJSEM list: Oren A, Göker M. Validation list no. 222. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2025; 75:6640.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Notes:
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Alkalispirilum".
  • 📧 The e-mail address of the corresponding author given in the effective publication is not functional any more.
  • 🧬 The phylogenomic assignment score of this taxon is 0.04766 (N = 3).
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 1; VKM: 1.
  • 🧍 Originally considered not validly published. Alkalispirillum Rijkenberg et al. 2002 was not validly published by publication in the IJSEM because the type species was not validly published. Publication: Oren A, Arahal DR, Christensen H, Goker M, Manaia CM, Moore ERB. International Code of Nomenclature of Prokaryotes. Prokaryotic Code (2025 Revision). Int J Syst Evol Microbiol 2026; 76:6979. 🇮🇱

Subdivision:

Number of child taxa with a validly published and correct name: 1
Number of child taxa with a validly published name, including synonyms: 1
Total number of child taxa: 1

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Alkalispirillum mobile Rijkenberg et al. 2025	validly published under the ICNP	correct name

Parent taxon: Ectothiorhodospiraceae Imhoff 1984

Assigned by: Rijkenberg MJ, Kort R, Hellingwerf KJ. Alkalispirillum mobile gen. nov., spec. nov., an alkaliphilic non-phototrophic member of the Ectothiorhodospiraceae. Arch Microbiol 2001; 175:369-375. 🇳🇱

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Record number: 64690