Name: Porphyrobacter neustonensis Fuerst et al. 1993

Category: Species

Proposed as: sp. nov.

Etymology: neu.sto.nen’sis. Gr. masc. adj. neustos, swimming, floating; N.L. masc./fem. adj. neustonensis, intended to mean occurring at the air-water interface layer [incorrectly formed: not a location]

Gender: masculine

Type strain: ACM 2844; CIP 104070; DSM 9434

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB033327 Analyse FASTA

Valid publication: Fuerst JA, Hawkins JA, Holmes A, Sly LI, Moore CJ, Stackebrandt E. Porphyrobacter neustonensis gen. nov., sp. nov., an aerobic bacteriochlorophyll-synthesizing budding bacterium from fresh water. Int J Syst Bacteriol 1993; 43:125-134.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 43, part 1 of the IJSB. Int J Syst Bacteriol 1993; 43:399.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Erythrobacter neustonensis (Fuerst et al. 1993) Xu et al. 2020

Risk group: 1

• Synonyms:

  • Name	Kind
    Erythrobacter neustonensis (Fuerst et al. 1993) Xu et al. 2020	homotypic synonym, validly published under the ICNP

• Emendations:
  • Hördt et al. 2020 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. 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.

• Notes:
  • 🥇 Nomenclatural type of the genus Porphyrobacter Fuerst et al. 1993. Publication: Fuerst JA, Hawkins JA, Holmes A, Sly LI, Moore CJ, Stackebrandt E. Porphyrobacter neustonensis gen. nov., sp. nov., an aerobic bacteriochlorophyll-synthesizing budding bacterium from fresh water. Int J Syst Bacteriol 1993; 43:125-134.
  • ❗ Porphyrobacter neustonensis is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Porphyrobacter.
  • 😷 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 Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 5 times in PubMed until 2024-03-27.

Parent taxon: Porphyrobacter Fuerst et al. 1993

Assigned by: Fuerst JA, Hawkins JA, Holmes A, Sly LI, Moore CJ, Stackebrandt E. Porphyrobacter neustonensis gen. nov., sp. nov., an aerobic bacteriochlorophyll-synthesizing budding bacterium from fresh water. Int J Syst Bacteriol 1993; 43:125-134.

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Record number: 779759