Name: Methylorubrum Green and Ardley 2018

Category: Genus

Proposed as: gen. nov.

Etymology: Me.thy.lo.ru’brum. N.L. neut. n. methylum, the methyl radical; N.L. neut. n. methyl, pertaining to the methyl radical; L. masc. adj. ruber, red; N.L. neut. n. Methylorubrum, a red methyl radical utilizing organism

Gender, pronunciation (Latin): neuter (stem: Methylorubr-), me-t^hy-lo-RU-brum

Type species: Methylorubrum extorquens (Urakami and Komagata 1984 ex Bassalik 1913) Green and Ardley 2018

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Green PN, Ardley JK. Review of the genus Methylobacterium and closely related organisms: a proposal that some Methylobacterium species be reclassified into a new genus, Methylorubrum gen. nov. Int J Syst Evol Microbiol 2018; 68:2727-2748. 🇦🇺

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 68, part 9 of the IJSEM. Int J Syst Evol Microbiol 2018; 68:3685-3687.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Protomonas Urakami and Komagata 1984	homotypic synonym, validly published under the ICNP, illegitimate name

• Notes:
  • 🚋 The type species of this genus has alternatively been placed in the genus Methylobacterium Patt et al. 1976 (Approved Lists 1980). Publication: Bousfield IJ, Green PN. Reclassification of bacteria of the genus Protomonas Urakami and Komagata 1984 in the genus Methylobacterium (Patt, Cole, and Hanson) emend. Green and Bousfield 1983. Int. J. Syst. Bacteriol. 1985; 35:209.
  • 🚋 The type species of this genus has alternatively been placed in the genus Protomonas Urakami and Komagata 1984. Publication: Urakami T, Komagata K. Protomonas, a new genus of facultatively methylotrophic bacteria. Int. J. Syst. Bacteriol. 1984; 34:188-201.
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: de Lajudie P, Young JPW. International Committee on Systematics of Prokaryotes Subcommittee on the Taxonomy of Rhizobia and Agrobacteria Minutes of the meeting by video conference, 11 July 2018. Int J Syst Evol Microbiol 2019; 69:1835-1840. 🇫🇷
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Anesti et al. (2004). 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 0.19331 (N = 13).
  • 🎰 The BRCs most frequently used for deposits in this group are: ATCC: 9; DSM: 8; VKM: 7; NBRC: 6; NCIMB: 6; JCM: 6; IFO: 5; CIP: 4; CCUG: 2; LMG: 2.

Subdivision:

Number of child taxa with a validly published and correct name: 12
Number of child taxa with a validly published name, including synonyms: 12
Total number of child taxa: 12

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Methylorubrum aminovorans (Urakami et al. 1993) Green and Ardley 2018	validly published under the ICNP	correct name
    Methylorubrum extorquens (Urakami and Komagata 1984 ex Bassalik 1913) Green and Ardley 2018	validly published under the ICNP	correct name
    Methylorubrum podarium (Anesti et al. 2006) Green and Ardley 2018	validly published under the ICNP	correct name
    Methylorubrum populi (Van Aken et al. 2004) Green and Ardley 2018	validly published under the ICNP	correct name
    Methylorubrum pseudosasae (Madhaiyan and Poonguzhali 2016) Green and Ardley 2018	validly published under the ICNP	correct name
    Methylorubrum rhodesianum (Green et al. 1988) Green and Ardley 2018	validly published under the ICNP	correct name
    Methylorubrum rhodinum (Heumann 1962) Green and Ardley 2018	validly published under the ICNP	correct name
    Methylorubrum salsuginis (Wang et al. 2007) Green and Ardley 2018	validly published under the ICNP	correct name
    Methylorubrum subtropicum Gao et al. 2025	validly published under the ICNP	correct name
    Methylorubrum suomiense (Doronina et al. 2002) Green and Ardley 2018	validly published under the ICNP	correct name
    Methylorubrum thiocyanatum (Wood et al. 1999) Green and Ardley 2018	validly published under the ICNP	correct name
    Methylorubrum zatmanii (Green et al. 1988) Green and Ardley 2018	validly published under the ICNP	correct name

Parent taxon: Methylobacteriaceae Garrity et al. 2006

Assigned by: Green PN, Ardley JK. Review of the genus Methylobacterium and closely related organisms: a proposal that some Methylobacterium species be reclassified into a new genus, Methylorubrum gen. nov. Int J Syst Evol Microbiol 2018; 68:2727-2748. 🇦🇺

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Record number: 520392