Name: Nesiotobacter Donachie et al. 2006

Category: Genus

Proposed as: gen. nov.

Etymology: Ne.si.o.to.bac’ter. Gr. masc. adj. nêsiôtikos, of an island, insular; N.L. masc. n. bacter, rod; from Gr. neut. dim. n. baktêrion, rod; N.L. masc. n. Nesiotobacter, rod from an island, in this case Laysan

Gender, pronunciation: masculine (stem: Nesiotobacter-), ne-si-o-to-BAK-ter

Type species: Nesiotobacter exalbescens Donachie et al. 2006

Conduct genome-based taxonomy of genus at TYGS

Valid publication: Donachie SP, Bowman JP, Alam M. Nesiotobacter exalbescens gen. nov., sp. nov., a moderately thermophilic alphaproteobacterium from an Hawaiian hypersaline lake. Int J Syst Evol Microbiol 2006; 56:563-567.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 56, part 3 of the IJSEM. Int J Syst Evol Microbiol 2006; 56:1181-1182.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Pseudovibrio Shieh et al. 2004

Risk group: 1

• Synonyms:

  • Name	Kind
    "Asteriscibacter" Park et al. 2025	heterotypic synonym, not validly published
    Pseudovibrio Shieh et al. 2004	heterotypic synonym, validly published under the ICNP

• Emendations:
  • Park et al. 2025 Park MJ, Kim J, Kim YJ, Yu J, Jin H, Woo S, Zo YG, Kwon KK. Genome-based reclassification of the family Stappiaceae and assessment of environmental forcing with the report of two novel taxa, Flexibacterium corallicola gen. nov., sp. nov., and Nesiotobacter zosterae sp. nov., isolated from coral and seagrass. PLoS One 2025; 20:e0322500.
    Notes:
    • 🧍 As of 2025-05-28 this emendation was not yet included in an IJSEM List of Changes in Taxonomic Opinion.

• Notes:
  • 🧕 Suarez et al. (2014) assigned this genus to the family Rhodobacteraceae Garrity et al. 2006. Publication: Suarez C, Ratering S, Geissler-Plaum R, Schnell S. Hartmannibacter diazotrophicus gen. nov., sp. nov., a phosphate-solubilizing and nitrogen-fixing alphaproteobacterium isolated from the rhizosphere of a natural salt-meadow plant. Int J Syst Evol Microbiol 2014; 64:3160-3167.
  • 🚂 For the type species of this genus another name is in use, which is affiliated with the genus Pseudovibrio Shieh et al. 2004. Publication: 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.
  • ❗ Nesiotobacter is the correct name instead if this genus is regarded as a separate genus (i.e., if its nomenclatural type is not assigned to another genus whose name is validly published, legitimate and not rejected and has priority).
  • 🧬 The phylogenomic assignment score of this taxon is 0.01992 (N = 29).
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 2; ATCC: 2; CIP: 2; KCCM: 1; JCM: 1.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 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.

Subdivision:

Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 1
Total number of child taxa: 3

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Nesiotobacter exalbescens Donachie et al. 2006	validly published under the ICNP	synonym
    "Nesiotobacter exalbescens" Park et al. 2025	not validly published	synonym
    "Nesiotobacter zosterae" Park et al. 2025	not validly published	preferred name

Parent taxon: Stappiaceae Hördt et al. 2020

Assigned by: 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.

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Record number: 516168