Name: Methylomicrobium alcaliphilum Kalyuzhnaya et al. 2008

Category: Species

Proposed as: sp. nov.

Etymology: al.ca.li.phi’lum. N.L. neut. n. alcali, from French n. alcali alkali (indeclinable); Gr. masc. adj. philos, loving; N.L. neut. adj. alcaliphilum, loving alkaline conditions

Gender: neuter

Type strain: 20Z; DSM 19304; NCIMB 14124; VKM B-2133

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EF495157 Analyse FASTA

Valid publication: Kalyuzhnaya MG, Khmelenina V, Eshinimaev B, Sorokin D, Fuse H, Lidstrom M, Trotsenko Y. Classification of halo(alkali)philic and halo(alkali)tolerant methanotrophs provisionally assigned to the genera Methylomicrobium and Methylobacter and emended description of the genus Methylomicrobium. Int J Syst Evol Microbiol 2008; 58:591-596.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 58, part 3 of the IJSEM. Int J Syst Evol Microbiol 2008; 58:1273-1274.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Methylotuvimicrobium alcaliphilum (Kalyuzhnaya et al. 2008) Orata et al. 2019

Risk group: 1

• Synonyms:

  • Name	Kind
    "Methylobacter alcaliphilus" Khmelenina et al. 1997	homotypic synonym, not validly published
    Methylotuvimicrobium alcaliphilum (Kalyuzhnaya et al. 2008) Orata et al. 2019	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Methylomicrobium alcaliphilum is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Methylomicrobium.
  • 😷 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 49 times in PubMed until 2024-03-27.

Parent taxon: Methylomicrobium Bowman et al. 1995

Assigned by: Kalyuzhnaya MG, Khmelenina V, Eshinimaev B, Sorokin D, Fuse H, Lidstrom M, Trotsenko Y. Classification of halo(alkali)philic and halo(alkali)tolerant methanotrophs provisionally assigned to the genera Methylomicrobium and Methylobacter and emended description of the genus Methylomicrobium. Int J Syst Evol Microbiol 2008; 58:591-596.

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Record number: 786200