Species Marivirga tractuosa

Name: Marivirga tractuosa (Lewin 1969) Nedashkovskaya et al. 2010

Category, proposed as: species, comb. nov.

Basonym: "Microscilla tractuosa" Lewin 1969

Etymology: trac.tu.o’sa. L. fem. adj. tractuosa, that draws to itself, intended to mean drawn or clumped together

Pronunciation (Latin), gender: ma-ri-WIR-ga trak-tu-O-sa, feminine

Type strain: ATCC 23168; CIP 106410; DSM 4126; H 43; KCTC 2958; LMG 8378; NBRC 15989; NCIMB 1408; NCMB 1408; VKM B-1430

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB078072 Analyse FASTA

Valid publication: Nedashkovskaya OI, Vancanneyt M, Kim SB, Bae KS. Reclassification of Flexibacter tractuosus (Lewin 1969) Leadbetter 1974 and 'Microscilla sericea' Lewin 1969 in the genus Marivirga gen. nov. as Marivirga tractuosa comb. nov. and Marivirga sericea nom. rev., comb. nov. Int J Syst Evol Microbiol 2010; 60:1858-1863. 🇷🇺

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 60, part 8 of the IJSEM. Int J Syst Evol Microbiol 2010; 60:2511-2512.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 1

• Synonyms:

  • Name	Kind
    "Microscilla tractuosa" Lewin 1969	homotypic synonym, not validly published, basonym of name in Approved Lists
    Flexibacter tractuosus (Lewin 1969) Leadbetter 1974 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Marivirga Nedashkovskaya et al. 2010. Publication: Nedashkovskaya OI, Vancanneyt M, Kim SB, Bae KS. Reclassification of Flexibacter tractuosus (Lewin 1969) Leadbetter 1974 and 'Microscilla sericea' Lewin 1969 in the genus Marivirga gen. nov. as Marivirga tractuosa comb. nov. and Marivirga sericea nom. rev., comb. nov. Int J Syst Evol Microbiol 2010; 60:1858-1863. 🇷🇺
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Germany has been imported on 2026-08-13. 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 8 times in PubMed until 2026-06-11.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of other species in the genus.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Pagani I, Chertkov O, Lapidus A, Lucas S, Del Rio TG, Tice H, Copeland A, Cheng JF, Nolan M, Saunders E, et al. Complete genome sequence of Marivirga tractuosa type strain (H-43). Stand Genomic Sci 2011; 4:154-162. 🇺🇸

Parent taxon: Marivirga Nedashkovskaya et al. 2010

Assigned by: Nedashkovskaya OI, Vancanneyt M, Kim SB, Bae KS. Reclassification of Flexibacter tractuosus (Lewin 1969) Leadbetter 1974 and 'Microscilla sericea' Lewin 1969 in the genus Marivirga gen. nov. as Marivirga tractuosa comb. nov. and Marivirga sericea nom. rev., comb. nov. Int J Syst Evol Microbiol 2010; 60:1858-1863. 🇷🇺

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.788713Copy to clipboardLink copied to clipboard

Record number: 788713

• Previous versions:

  • Version	Date	JSON
    1	2026-03-31