Name: Erythromicrobium ramosum Yurkov et al. 1994

Category: Species

Proposed as: sp. nov.

Etymology: ra.mo’sum. L. neut. adj. ramosum, having many branches, branching, referring to the morphology of the cells

Gender: neuter

Type strain: ATCC 700003; CIP 106927; DSM 8510; E5; JCM 10282; NBRC 102621

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF465837 Analyse FASTA

Valid publication: Yurkov V, Stackebrandt E, Holmes A, Fuerst JA, Hugenholtz P, Golecki J, Gad'on N, Gorlenko VM, Kompantseva EI, Drews G. Phylogenetic positions of novel aerobic, bacteriochlorophyll a-containing bacteria and description of Roseococcus thiosulfatophilus gen. nov., sp. nov., Erythromicrobium ramosum gen. nov., sp. nov., and Erythrobacter litoralis sp. nov. Int J Syst Bacteriol 1994; 44:427-434.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 44, part 3 of the IJSB. Int J Syst Bacteriol 1994; 44:853.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Erythrobacter ramosus (Yurkov et al. 1994) Xu et al. 2020

Risk group: 1

• Synonyms:

  • Name	Kind
    Erythrobacter ramosus (Yurkov et al. 1994) Xu et al. 2020	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Erythromicrobium Yurkov et al. 1994. Publication: Yurkov V, Stackebrandt E, Holmes A, Fuerst JA, Hugenholtz P, Golecki J, Gad'on N, Gorlenko VM, Kompantseva EI, Drews G. Phylogenetic positions of novel aerobic, bacteriochlorophyll a-containing bacteria and description of Roseococcus thiosulfatophilus gen. nov., sp. nov., Erythromicrobium ramosum gen. nov., sp. nov., and Erythrobacter litoralis sp. nov. Int J Syst Bacteriol 1994; 44:427-434.
  • ❗ Erythromicrobium ramosum 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 Erythromicrobium.
  • 😷 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 6 times in PubMed until 2024-03-27.
  • 🧍 According to Ludwig et al. (2021), this "species may be reclassified as Porphyrobacter". Publication: Ludwig W, Viver T, Westram R, Francisco Gago J, Bustos-Caparros E, Knittel K, Amann R, Rossello-Mora R. Release LTP_12_2020, featuring a new ARB alignment and improved 16S rRNA tree for prokaryotic type strains. Syst Appl Microbiol 2021; 44:126218.

Parent taxon: Erythromicrobium Yurkov et al. 1994

Assigned by: Yurkov V, Stackebrandt E, Holmes A, Fuerst JA, Hugenholtz P, Golecki J, Gad'on N, Gorlenko VM, Kompantseva EI, Drews G. Phylogenetic positions of novel aerobic, bacteriochlorophyll a-containing bacteria and description of Roseococcus thiosulfatophilus gen. nov., sp. nov., Erythromicrobium ramosum gen. nov., sp. nov., and Erythrobacter litoralis sp. nov. Int J Syst Bacteriol 1994; 44:427-434.

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Record number: 776049