Name: Serratia marcescens subsp. sakuensis Ajithkumar et al. 2003

Category: Subspecies

Proposed as: subsp. nov.

Etymology: sa.ku.en’sis. N.L. masc./fem. adj. sakuensis, referring to Saku, Nagano, Japan, where the strain was isolated

Gender: feminine

Type strain: CIP 107489; DSM 17174; JCM 11315; KRED

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB061685 Analyse FASTA

Valid publication: Ajithkumar B, Ajithkumar VP, Iriye R, Doi Y, Sakai T. Spore-forming Serratia marcescens subsp. sakuensis subsp. nov., isolated from a domestic wastewater treatment tank. Int J Syst Evol Microbiol 2003; 53:253-258.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 53, part 1 of the IJSEM. Int J Syst Evol Microbiol 2003; 53:629-630.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Serratia marcescens Bizio 1823 (Approved Lists 1980)

Risk group: 2

• Synonyms:

  • Name	Kind
    Serratia marcescens Bizio 1823 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP, distinct rank

• Notes:
  • 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.
  • 📧 The e-mail address of the corresponding author given in the effective publication is not functional any more.
  • ❗ Serratia marcescens subsp. sakuensis is the correct name instead if this subspecies is regarded as a separate subspecies (i.e., if its nomenclatural type is not assigned to another subspecies whose name is validly published, legitimate and not rejected and has priority) within a separate species Serratia marcescens within a separate genus Serratia.
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human and animal pathogen - biological class of risk animal: 2". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2.
  • 🧍 According to the Subcommittee on the Taxonomy of Enterobacteriaceae, the presence of spores in Serratia marcescens subsp. sakuensis JCM 11315 is not confirmed. Publication: Holmes B, Farmer Iii JJ. International Committee on Systematics of Prokaryotes Subcommittee on the taxonomy of Enterobacteriaceae. Minutes of the meetings, 7 August 2008, Istanbul, Turkey. Int. J. Syst. Evol. Microbiol. 2009; 59:2643-2645.

Parent taxon: Serratia marcescens Bizio 1823 (Approved Lists 1980)

Assigned by: Ajithkumar B, Ajithkumar VP, Iriye R, Doi Y, Sakai T. Spore-forming Serratia marcescens subsp. sakuensis subsp. nov., isolated from a domestic wastewater treatment tank. Int J Syst Evol Microbiol 2003; 53:253-258.

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Record number: 780878