Name: Caedibacter varicaedens Quackenbush 1982

Category: Species

Proposed as: sp. nov.

Etymology: va.ri.cae.dens. L. masc. adj. varius, different, diverse, various; L. v. caedo, to kill; N.L. part. adj. varicaedens, killing in different ways

Gender: masculine

Type strain: 7; ATCC 30637; harbored by P. biaurelia stock 7K

Effective publication: Quackenbush RL. Genetic relationships among bacterial endosymbionts of Paramecium aurelia. Deoxyribonucleotide sequence relationships among members of Caedobacter. J. Gen. Microbiol. 1978; 108:181-187.

IJSEM list: Anonymous. Validation list no. 8. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1982; 32:266-268.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    "Caedimonas varicaedens" (Quackenbush 1982) Schrallhammer et al. 2018	homotypic synonym, not validly published

• Notes:
  • 😷 The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1, note = "PI". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "n".
  • 🎓 Name mentioned 2 times in PubMed until 2024-03-27.
  • 🧍 According to Yarza et al. (2013), an "orphan species with designated type strains that were either not deposited in culture collections or whose type strain is currently not available from a recognized culture collection. Protist endosymbiont.". 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.
  • 🧍 ATCC 30637 is a two member culture, a protozoa (Paramecium biaurelia) that carries a bacterial endosymbiont, Caedibacter varicaedens. However, the type strain is not available from the ATCC because the endosymbiont was lost. Publication: Beier CL, Horn M, Michel R, Schweikert M, Gortz HD, Wagner M. The genus Caedibacter comprises endosymbionts of Paramecium spp. related to the Rickettsiales (Alphaproteobacteria) and to Francisella tularensis (Gammaproteobacteria). Appl Environ Microbiol 2002; 68:6043-6050.

Parent taxon: Caedibacter (ex Preer et al. 1974) Preer and Preer 1982

Assigned by: Quackenbush RL. Genetic relationships among bacterial endosymbionts of Paramecium aurelia. Deoxyribonucleotide sequence relationships among members of Caedobacter. J. Gen. Microbiol. 1978; 108:181-187.

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Record number: 783578