Name: Pleomorphochaeta Arroua et al. 2017

Category: Genus

Proposed as: gen. nov.

Etymology: Ple.o.mor.pho.chae’ta. Gr. neut. adj. pleon, more; Gr. fem. n. morphê, shape, form; Gr. fem. n. chaitê; N.L. fem. n. Pleomorphochaeta, cells with multiple morphologies with a derivation from spirochaetal ancestry

Gender, pronunciation: feminine (stem: Pleomorphochaet-), ple-o-mor-p^ho-K^HA͡E-ta

Type species: Pleomorphochaeta multiformis (Miyazaki et al. 2014) Arroua et al. 2017

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Arroua B, Ranchou-Peyruse A, Ranchou-Peyruse M, Magot M, Urios L, Grimaud R. Pleomorphochaeta caudata gen. nov., sp. nov., an anaerobic bacterium isolated from an offshore oil well, reclassification of Sphaerochaeta multiformis MO-SPC2T as Pleomorphochaeta multiformis MO-SPC2T comb. nov. as the type strain of this novel genus and emended description of the genus Sphaerochaeta. Int J Syst Evol Microbiol 2017; 67:417-424.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 67, part 2 of the IJSEM. Int J Syst Evol Microbiol 2017; 67:1099-1101.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Notes:
  • 🧕 Arroua et al. (2017) assigned this genus to the family Spirochaetaceae Swellengrebel 1907 (Approved Lists 1980). Publication: Arroua B, Ranchou-Peyruse A, Ranchou-Peyruse M, Magot M, Urios L, Grimaud R. Pleomorphochaeta caudata gen. nov., sp. nov., an anaerobic bacterium isolated from an offshore oil well, reclassification of Sphaerochaeta multiformis MO-SPC2T as Pleomorphochaeta multiformis MO-SPC2T comb. nov. as the type strain of this novel genus and emended description of the genus Sphaerochaeta. Int J Syst Evol Microbiol 2017; 67:417-424.
  • 🚋 The type species of this genus has alternatively been placed in the genus Sphaerochaeta Ritalahti et al. 2012. Publication: Miyazaki M, Sakai S, Ritalahti KM, Saito Y, Yamanaka Y, Saito Y, Tame A, Uematsu K, Loffler FE, Takai K, et al. Sphaerochaeta multiformis sp. nov., an anaerobic, psychrophilic bacterium isolated from subseafloor sediment, and emended description of the genus Sphaerochaeta. Int J Syst Evol Microbiol 2014; 64:4147-4154.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Pleomorphochatea".
  • 🎰 The BRCs most frequently used for deposits in this group are: JCM: 3; DSM: 3.

Subdivision:

Number of child taxa with a validly published and correct name: 3
Number of child taxa with a validly published name, including synonyms: 3
Total number of child taxa: 3

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Pleomorphochaeta caudata Arroua et al. 2017	validly published under the ICNP	correct name
    Pleomorphochaeta multiformis (Miyazaki et al. 2014) Arroua et al. 2017	validly published under the ICNP	correct name
    Pleomorphochaeta naphthae Arroua et al. 2018	validly published under the ICNP	correct name

Parent taxon: Sphaerochaetaceae Hördt et al. 2020

Assigned by: Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468.

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Record number: 519133