Name: Zavarzinia compransoris (ex Nozhevnikova and Zavarzin 1974) Meyer et al. 1994

Category: Species

Proposed as: sp. nov., nom. rev.

Etymology: com.pran.so.ris. L. masc. n. compransor (gen. compransoris), a companion in a banquet, a boon companion; L. gen. masc. n. compransoris, of a dinner companion

Gender: feminine

Type strain: ATCC 51430; CCUG 15334; DSM 1231; LMG 5821; LMG 8357; Z-1155

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: JX986958 Analyse FASTA

Effective publication: Meyer O, Stackebrandt E, Auling G. Reclassification of ubiquinone Q-10 containing carbooxidotrophic bacteria: transfer of "[Pseudomonas] carboxydovorans" OM5 to Oligotropha, gen. nov., as Oligotropha carboxidovorans, comb. nov., transfer of "[Alcaligenes] carboxydus" DSM 1086 to Carbophilus, gen. nov., as Carbophilus carboxidus, comb. nov., transfer of "[Pseudomonas] compransoris" DSM 1231 to Zavarzinia, gen. nov., as Zavarzinia compransoris, comb. nov., amended description of the new genera. Syst. Appl. Microbiol. 1993; 16:390-395.

IJSEM list: Anonymous. Validation list no. 48. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1994; 44:182-183.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• 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.
    Notes:
    • 🧍 As of 2020-04-15 this emendation was not yet included in an IJSEM List of Changes in Taxonomic Opinion.

• Notes:
  • 🥇 Nomenclatural type of the genus Zavarzinia Meyer et al. 1994. Publication: Meyer O, Stackebrandt E, Auling G. Reclassification of ubiquinone Q-10 containing carbooxidotrophic bacteria: transfer of "[Pseudomonas] carboxydovorans" OM5 to Oligotropha, gen. nov., as Oligotropha carboxidovorans, comb. nov., transfer of "[Alcaligenes] carboxydus" DSM 1086 to Carbophilus, gen. nov., as Carbophilus carboxidus, comb. nov., transfer of "[Pseudomonas] compransoris" DSM 1231 to Zavarzinia, gen. nov., as Zavarzinia compransoris, comb. nov., amended description of the new genera. Syst. Appl. Microbiol. 1993; 16:390-395.
  • 😷 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 2 times in PubMed until 2024-03-27.
  • 🧍 Yarza et al. (2013) expected for accession JX986958, originating from the alleged type-strain deposit LMG 5821, an affiliation with Acetobacteraceae (Alphaproteobacteria) but observed an affiliation with a deep branch in Alphaproteobacteria and 90.9% similarity against Oceanibaculum indicum; 86.8% against Acetobacter aceti. Publication: Yarza P, Sproer C, Swiderski J, Mrotzek N, Spring S, Tindall BJ, Gronow S, Pukall R, Klenk HP, Lang E, et al. Sequencing orphan species initiative (SOS): Filling the gaps in the 16S rRNA gene sequence database for all species with validly published names. Syst Appl Microbiol 2013; 36:69-73.
  • 🧍 In Validation List no. 48, Zavarzinia compransoris is erroneously proposed as a new combination, basonym: "Pseudomonas compransoris" (Nozhevnikova and Zavarzin 1974) Cypionka et al. 1980. Publication: Euzeby JP, Kudo T. Corrigenda to the validation lists. Int J Syst Evol Microbiol 2001; 51:1933-1938.
  • 🧍 In Validation List no. 48, Zavarzinia compransoris is erroneously proposed as a new combination [basonym: "Pseudomonas compransoris" (Nozhevnikova and Zavarzin 1974) Cypionka et al. 1980]. — 🧍 Nom. rev. / basonym "Pseudomonas compransoris". Publication: Migula W. Über ein neues System der Bakterien. Arbeiten aus dem Bakteriologischen Institut der Technischen Hochschule zu Karlsruhe 1894; 1:235-238.

Parent taxon: Zavarzinia Meyer et al. 1994

Assigned by: Meyer O, Stackebrandt E, Auling G. Reclassification of ubiquinone Q-10 containing carbooxidotrophic bacteria: transfer of "[Pseudomonas] carboxydovorans" OM5 to Oligotropha, gen. nov., as Oligotropha carboxidovorans, comb. nov., transfer of "[Alcaligenes] carboxydus" DSM 1086 to Carbophilus, gen. nov., as Carbophilus carboxidus, comb. nov., transfer of "[Pseudomonas] compransoris" DSM 1231 to Zavarzinia, gen. nov., as Zavarzinia compransoris, comb. nov., amended description of the new genera. Syst. Appl. Microbiol. 1993; 16:390-395.

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Record number: 783206