Name: Pusillimonas caeni Jin et al. 2017

Category: Species

Proposed as: sp. nov.

Etymology: cae’ni. L. gen. neut. n. caeni, of sludge

Pronunciation (Latin), gender: pu-sil-LI-mo-nas KA͡E-ni, feminine

Type strain: EBR-8-1; JCM 30463; KCTC 42353

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: KF056995 Analyse FASTA

Effective publication: Jin L, Ko SR, Cui Y, Lee CS, Oh HM, Ahn CY, Lee HG. Pusillimonas caeni sp. nov., isolated from a sludge sample of a biofilm reactor. Antonie Van Leeuwenhoek 2017; 110:125-132. 🇰🇷

IJSEM list: Oren A, Garrity GM. Validation list no. 174. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2017; 67:529-531.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • Li et al. 2020 Li J, Qi M, Lai Q, Dong C, Liu X, Wang G, Shao Z. Pusillimonas maritima sp. nov., isolated from surface seawater. Int J Syst Evol Microbiol 2020; 70:3483-3490. 🇨🇳 Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 70, part 5 of the IJSEM. Int J Syst Evol Microbiol 2020; 70:4421-4424.

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.12620 (N = 18).
  • 😷 The risk group for Germany has been imported on 2023-10-29. 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 6 times in PubMed until 2026-06-11.

Parent taxon: Pusillimonas Stolz et al. 2005

Assigned by: Jin L, Ko SR, Cui Y, Lee CS, Oh HM, Ahn CY, Lee HG. Pusillimonas caeni sp. nov., isolated from a sludge sample of a biofilm reactor. Antonie Van Leeuwenhoek 2017; 110:125-132. 🇰🇷

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Record number: 795134