Genus Roseovarius

Classification:

Bacteria Pseudomonadati Pseudomonadota Alphaproteobacteria Rhodobacterales Roseobacteraceae Roseovarius

Name: Roseovarius Labrenz et al. 1999

Category, proposed as: genus, gen. nov.

Etymology: Ro.se.o.va’ri.us. L. masc. adj. roseus, rose-coloured; L. masc. adj. varius, diverse, varied; N.L. masc. n. Roseovarius, the varying rose-coloured one

Gender, pronunciation (Latin): masculine (stem: Roseovari-), ro-se-o-WA-ri-us

Type species: Roseovarius tolerans Labrenz et al. 1999

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Labrenz M, Collins MD, Lawson PA, Tindall BJ, Schumann P, Hirsch P. Roseovarius tolerans gen. nov., sp. nov., a budding bacterium with variable bacteriochlorophyll a production from hypersaline Ekho Lake. Int J Syst Bacteriol 1999; 49:137-147. 🇩🇪

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 49, part 1 of the IJSB. Int J Syst Bacteriol 1999; 49:343-344.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Emendations:
- Liang et al. 2021 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. 🇨🇦 Oren A, Göker M. List of changes in taxonomic opinion no. 38. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2023; 73:5923.
- Slobodkina et al. 2022 Slobodkina G, Ratnikova N, Merkel A, Kevbrin V, Kuchierskaya A, Slobodkin A. Lithoautotrophic lifestyle of the widespread genus Roseovarius revealed by physiological and genomic characterization of Roseovarius autotrophicus sp. nov. FEMS Microbiol Ecol 2022; 98:0. 🇷🇺 Oren A, Göker M. List of changes in taxonomic opinion no. 38. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2023; 73:5923.
  Notes:
  - ⊕ Emendation accompanied by the proposal of 1 new species in the genus.

Notes:
- 🧕 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: "Roseovariu"; "Roseowarius"; "Rosevarius".
- 🧔 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. 🇩🇪
- 💁 Taxonomists who have recently focused on this group are the corresponding authors of Castro et al. (2020), Lu et al. (2020), Park et al. (2017), Li et al. (2019), Yang et al. (2025). 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: KCTC: 31; DSM: 18; MCCC: 16; JCM: 11; LMG: 9; CCUG: 7; CGMCC: 6; CCTCC: 5; KACC: 5; CECT: 5.

Subdivision:

Number of child taxa with a validly published and correct name: 43
Number of child taxa with a validly published name, including synonyms: 47
Total number of child taxa: 52

Child taxa:

Name	Nomenclatural status	Taxonomic status
Roseovarius aestuarii Yoon et al. 2008	validly published under the ICNP	correct name
Roseovarius aestuariivivens Park et al. 2017	validly published under the ICNP	correct name
Roseovarius albus Lucena et al. 2014	validly published under the ICNP	correct name
"Roseovarius algicolus" Moon and Lee 2015	not validly published	preferred name
Roseovarius amoyensis Li et al. 2019	validly published under the ICNP	correct name
Roseovarius antarcticus Deng et al. 2015	validly published under the ICNP	correct name
Roseovarius aquimarinus Kang et al. 2015	validly published under the ICNP	correct name
Roseovarius arcticus Lu et al. 2020	validly published under the ICNP	correct name
Roseovarius atlanticus Li et al. 2016	validly published under the ICNP	correct name
Roseovarius autotrophicus Slobodkina et al. 2023	validly published under the ICNP	correct name
Roseovarius azorensis Rajasabapathy et al. 2014	validly published under the ICNP	correct name
Roseovarius bejariae Castro et al. 2020	validly published under the ICNP	correct name
Roseovarius carneus Sun et al. 2022	validly published under the ICNP	correct name
Roseovarius conchicola Ha et al. 2025	validly published under the ICNP	correct name
Roseovarius confluentis Jia et al. 2017	validly published under the ICNP	correct name
Roseovarius crassostreae Boettcher et al. 2005	validly published under the ICNP	synonym
Roseovarius dicentrarchi (Li et al. 2020) Zhang et al. 2023	validly published under the ICNP	correct name
Roseovarius faecimaris Cha et al. 2019	validly published under the ICNP	correct name
Roseovarius gaetbuli Park et al. 2014	validly published under the ICNP	correct name
Roseovarius gahaiensis Sun et al. 2020	validly published under the ICNP	correct name
Roseovarius halocynthiae Kim et al. 2012	validly published under the ICNP	synonym
Roseovarius halophilus Wu et al. 2025	validly published under the ICNP	correct name
Roseovarius halotolerans Oh et al. 2009	validly published under the ICNP	correct name
Roseovarius indicus Lai et al. 2011	validly published under the ICNP	correct name
"Roseovarius lacus" Pan et al. 2017	not validly published	preferred name
Roseovarius litoreus Jung et al. 2012	validly published under the ICNP	correct name
Roseovarius litorisediminis (Park et al. 2013) Hördt et al. 2020	validly published under the ICNP	correct name
Roseovarius lutimaris Choi et al. 2013	validly published under the ICNP	correct name
Roseovarius marinus Jung et al. 2011	validly published under the ICNP	synonym
Roseovarius marisflavi Li et al. 2014	validly published under the ICNP	correct name
Roseovarius maritimus Yang et al. 2025	validly published under the ICNP	correct name
Roseovarius mucosus Biebl et al. 2005	validly published under the ICNP	correct name
Roseovarius nanhaiticus Wang et al. 2010	validly published under the ICNP	correct name
Roseovarius nitratireducens Shen et al. 2018	validly published under the ICNP	correct name
Roseovarius nubinhibens González et al. 2003	validly published under the ICNP	correct name
Roseovarius pacificus Wang et al. 2009	validly published under the ICNP	correct name
Roseovarius pelagicus Hong et al. 2023	validly published under the ICNP	correct name
"Roseovarius pelophilus" Koepke 2007	not validly published	preferred name
Roseovarius phycicola Lee et al. 2024	validly published under the ICNP	correct name
"Roseovarius ponticola" Park et al. 2019	not validly published	preferred name
Roseovarius ramblicola Castro et al. 2018	validly published under the ICNP	correct name
Roseovarius rhodophyticola Lee et al. 2024	validly published under the ICNP	correct name
Roseovarius roseus Yang et al. 2025	validly published under the ICNP	correct name
Roseovarius salinarum Wang et al. 2018	validly published under the ICNP	correct name
Roseovarius salincola Wu et al. 2025	validly published under the ICNP	correct name
Roseovarius salis Wu et al. 2025	validly published under the ICNP	correct name
Roseovarius scapharcae Kim et al. 2015	validly published under the ICNP	correct name
"Roseovarius sediminicola" (Ji et al. 2018) Liang et al. 2021	not validly published	synonym
Roseovarius sediminilitoris Park and Yoon 2013	validly published under the ICNP	synonym
Roseovarius spongiae Zhuang and Luo 2020	validly published under the ICNP	correct name
Roseovarius tibetensis Lu et al. 2019	validly published under the ICNP	correct name
Roseovarius tolerans Labrenz et al. 1999	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: 516508

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