Name: Holospora caryophila (ex Preer et al. 1974) Preer and Preer 1982

Category: Species

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

Etymology: ca.ry.o’phi.la. Gr. neut. n. karyon, nut, kernel (in biology, nucleus); N.L. fem. adj. suff. -phila, friend, loving; from Gr. fem. adj. philê, loving; N.L. fem. adj. caryophila, nucleus loving

Pronunciation, gender: ka-ry-O-p^hi-la, feminine

Type strain: 562; 562α; ATCC 30694; the type strain is carried in strain 562 of Paramecium biaurelia

Valid publication: Preer Jr. JR, Preer LB. Revival of names of protozoan endosymbionts and proposal of Holospora caryophila nom. nov. Int. J. Syst. Bacteriol. 1982; 32:140-141.

Nomenclatural status: validly published under the ICNP, illegitimate name

Taxonomic status: in need of a replacement

Risk group: 1

• Synonyms:

  • Name	Kind
    "Preeria caryophila" (Preer and Preer 1982 ex Preer et al. 1974) Potekhin et al. 2018	homotypic synonym, not validly published

• Notes:
  • 😷 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. — 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.
  • 🎓 Name mentioned 4 times in PubMed until 2025-06-04.
  • 🧍 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". 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 violation of Rule 34a, Preer and Preer 1982 revive Holospora caryophila as a nomen novum. — The strain ATCC 30694 is not available in the ATCC. Publication: Euzeby JP. List of Bacterial Names with Standing in Nomenclature: a folder available on the Internet. Int J Syst Bacteriol 1997; 47:590-592.
  • 🧍 Nom. rev. / basonym "Cytophaga caryophila". Publication: Winogradsky S. Études sur la microbiologie du sol - sur la dégradation de la cellulose dans le sol. Annales de l'Institut Pasteur (Paris) 1929; 43:549-633.

Parent taxon: Holospora (ex Hafkine 1890) Preer and Preer 1982

Assigned by: Preer Jr. JR, Preer LB. Revival of names of protozoan endosymbionts and proposal of Holospora caryophila nom. nov. Int. J. Syst. Bacteriol. 1982; 32:140-141.

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Record number: 784018