Name: Serratia marcescens subsp. marcescens (Bizio 1823) Ajithkumar et al. 2003

Category: Subspecies

Proposed as: subsp. nov. (rule 40d)

Basonym: Serratia marcescens Bizio 1823 (Approved Lists 1980)

Etymology: mar.ce.scens. L. part. adj. marcescens, becoming weak, fading away

Gender: feminine

Type strain: ATCC 13880; CCUG 1647; CFBP 4226; CIP 103235; DSM 30121; HAMBI 1286; JCM 1239; LMG 2792; NBRC 102204; NCTC 10211; NRRL B-2544; VKM B-1248

See detailed strain information at

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 of its species (division into subspecies abandoned)

Risk group: 2

• Notes:
  • 📠 This subspecies was automatically created by the valid publication of Serratia marcescens subsp. sakuensis Ajithkumar et al. 2003 according to rule 40d. 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.
  • 📧 The e-mail address of the corresponding author given in the effective publication is not functional any more.
  • ❗ Serratia marcescens subsp. marcescens 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, note = "ht".
  • 🧍 The original authorship, Bizio 1823, was corrected according to the new Rule 40d. Publication: Garrity GM, Labeda DP, Oren A. Judicial Commission of the International Committee on Systematics of Prokaryotes. XIIth International (IUMS) Congress of Bacteriology and Applied Microbiology. Minutes of the meetings, 3, 4 and 6 August 2008, Istanbul, Turkey. Int. J. Syst. Evol. Microbiol. 2011; 61:2775-2780.

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: 780877