Genus Roseobacter

Name: Roseobacter Shiba 1991

Category: Genus

Proposed as: gen. nov.

Etymology: Ro.se.o.bac’ter. L. masc. adj. roseus, rose-colored, rosy; N.L. masc. n. bacter, rod; N.L. masc. n. Roseobacter, rose-colored rod

Gender, pronunciation (Latin): masculine (stem: Roseobacter-), ro-se-o-BAK-ter

Type species: Roseobacter litoralis Shiba 1991

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Shiba T. Roseobacter litoralis gen. nov., sp. nov., and Roseobacter denitrificans sp. nov., aerobic pink-pigmented bacteria which contain bacteriochlorophyll a. Syst. Appl. Microbiol. 1991; 14:140-145.

IJSEM list: Anonymous. Validation list no. 37. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1991; 41:331.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Emendations:
- Martens et al. 2006 Martens T, Heidorn T, Pukall R, Simon M, Tindall BJ, Brinkhoff T. Reclassification of Roseobacter gallaeciensis Ruiz-Ponte et al. 1998 as Phaeobacter gallaeciensis gen. nov., comb. nov., description of Phaeobacter inhibens sp. nov., reclassification of Ruegeria algicola (Lafay et al. 1995) Uchino et al. 1999 as Marinovum algicola gen. nov., comb. nov., and emended descriptions of the genera Roseobacter, Ruegeria and Leisingera. Int J Syst Evol Microbiol 2006; 56:1293-1304. 🇩🇪 Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 56, part 6 of the IJSEM. Int J Syst Evol Microbiol 2006; 56:2029-2030.
  Notes:
  - ⊖ Emendation accompanied by the removal of 2 species from the genus.

Notes:
- 🥇 Nomenclatural type of the family Roseobacteraceae Liang et al. 2021. Publication: Liang KYH, Orata FD, Boucher YF, Case RJ. Roseobacters in a Sea of Poly- and Paraphyly: Whole Genome-Based Taxonomy of the Family Rhodobacteraceae and the Proposal for the Split of the "Roseobacter Clade" Into a Novel Family, Roseobacteraceae fam. nov. Front Microbiol 2021; 12:683109. 🇨🇦
- 🧕 Brenner et al. (2005) assigned this genus to the family Rhodobacteraceae Garrity et al. 2006. Publication: Garrity GM, Bell JA, Lilburn T. Family I. Rhodobacteraceae fam. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part C (The Alpha-, Beta-, Delta-, and Epsilonproteobacteria), Springer, New York, 2005, p. 161. 🇺🇸
- 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Rosebacter"; "Roseobacteria"; "Roseobactor"; "Roseobactrr"; "Roseohacter".
- 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Imhoff JF, Madigan MT. International Committee on Systematics of Prokaryotes Subcommittee on the taxonomy of phototrophic bacteria. Minutes of the Meetings, 28 August 2000, Barcelona, Spain. Int. J. Syst. Evol. Microbiol. 2002; 52:2335-2336. 🇩🇪
- 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Trueper HG, Imhoff JF. ICSB, SUBCOMMITTEE ON THE TAXONOMY OF THE PHOTOTROPHIC BACTERIA: Minutes of the meetings, 10 September 1997, Vienna, Austria. Int. J. Syst. Bacteriol. 1999; 49:925-926. 🇩🇪
- 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Madigan MT, Imhoff JF. International Committee on Systematics of Prokaryotes: Subcommittee on the taxonomy of phototrophic bacteria. International Journal of Systematic and Evolutionary Microbiology 2007; 57:1169-1171. 🇺🇸
- 💁 Taxonomists who have recently focused on this group are the corresponding authors of Hahnke et al. (2024), Lee et al. (2023). Editors in search of reviewers are advised to consider additional criteria such as whether a taxon is covered by one of the ICSP subcommittees.
- 🎰 The BRCs most frequently used for deposits in this group are: NBRC: 7; JCM: 7; DSM: 7; ATCC: 4; IFO: 4; CIP: 4; KACC: 3; KCTC: 2; LMG: 2; MCCC: 1.

Subdivision:

Number of child taxa with a validly published and correct name: 8
Number of child taxa with a validly published name, including synonyms: 10
Total number of child taxa: 13

Child taxa:

Name	Nomenclatural status	Taxonomic status
Roseobacter algicola Lafay et al. 1995	validly published under the ICNP	synonym
"Roseobacter algicola" Choi et al. 2025	not validly published	synonym
Roseobacter cerasinus Muramatsu et al. 2020	validly published under the ICNP	correct name
Roseobacter denitrificans Shiba 1991	validly published under the ICNP	correct name
Roseobacter fucihabitans Hahnke et al. 2024	validly published under the ICNP	correct name
Roseobacter gallaeciensis Ruiz-Ponte et al. 1998	validly published under the ICNP	synonym
Roseobacter insulae Lee et al. 2023	validly published under the ICNP	correct name
Roseobacter litoralis Shiba 1991	validly published under the ICNP	correct name
"Roseobacter pelophilus" Koepke 2007	not validly published	synonym
"Roseobacter phycocola" Choi et al. 2026	not validly published	preferred name
Roseobacter ponti Jung et al. 2017	validly published under the ICNP	correct name
Roseobacter sinensis Wang et al. 2025	validly published under the ICNP	correct name
Roseobacter weihaiensis Li et al. 2026	validly published under the ICNP	correct name

Parent taxon: Roseobacteraceae Liang et al. 2021

Assigned by: Liang KYH, Orata FD, Boucher YF, Case RJ. Roseobacters in a Sea of Poly- and Paraphyly: Whole Genome-Based Taxonomy of the Family Rhodobacteraceae and the Proposal for the Split of the "Roseobacter Clade" Into a Novel Family, Roseobacteraceae fam. nov. Front Microbiol 2021; 12:683109. 🇨🇦

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Record number: 516504

This LPSN page was printed on 2026-06-10 08:35:42

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Genus Roseobacter