Name: "Methylobacterium extorquens subsp. extorquens" (Urakami and Komagata 1984 ex Bassalik 1913) Alessa et al. 2021

Category: Subspecies

Proposed as: subsp. nov.

Basonym: Protomonas extorquens (ex Bassalik 1913) Urakami and Komagata 1984

Etymology: ex.tor’quens. L. part. adj. extorquens, twisting out

Gender: neuter

Type strain: ATCC 43645; CCUG 2084; DSM 1337; IAM 12631; IFO 15687; JCM 2802; NBRC 15687; NCCB 78015; NCIB 9399; NCIMB 9399; TK 0001; VKM B-2064

See detailed strain information at

Original publication: Alessa O, Ogura Y, Fujitani Y, Takami H, Hayashi T, Sahin N, Tani A. Comprehensive Comparative Genomics and Phenotyping of Methylobacterium Species. Front Microbiol 2021; 12:740610.

Nomenclatural status: not validly published

Taxonomic status: orphaned subspecies (and no standing)

• Notes:
  • 🧍 The authors incorrectly gave several basonyms. Publication: Oren A, Arahal DR, Goker M, Moore ERB, Rossello-Mora R, Sutcliffe IC. International Code of Nomenclature of Prokaryotes. Prokaryotic Code (2022 Revision). Int J Syst Evol Microbiol 2023; 73:5585.

Parent taxon: Methylobacterium extorquens (Urakami and Komagata 1984 ex Bassalik 1913) Bousfield and Green 1985

Assigned by: Alessa O, Ogura Y, Fujitani Y, Takami H, Hayashi T, Sahin N, Tani A. Comprehensive Comparative Genomics and Phenotyping of Methylobacterium Species. Front Microbiol 2021; 12:740610.

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Record number: 29618