Name: Christensenella Morotomi et al. 2012

Category: Genus

Proposed as: gen. nov.

Etymology: Chris.ten.se.nel’la. N.L. fem. dim. n. Christensenella, named after Professor Henrik Christensen, in honour of his many contributions to systematic bacteriology

Gender: feminine (stem: Christensenell-)

Type species: Christensenella minuta Morotomi et al. 2012

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Morotomi M, Nagai F, Watanabe Y. Description of Christensenella minuta gen. nov., sp. nov., isolated from human faeces, which forms a distinct branch in the order Clostridiales, and proposal of Christensenellaceae fam. nov. Int J Syst Evol Microbiol 2012; 62:144-149.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 62, part 1 of the IJSEM. Int J Syst Evol Microbiol 2012; 62:757-758.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Catabacter Lau et al. 2014	heterotypic synonym, validly published under the ICNP
    "Catabacter" Lau et al. 2007	heterotypic synonym, not validly published

• Notes:
  • 🥇 Nomenclatural type of the family Christensenellaceae Morotomi et al. 2012. Publication: Morotomi M, Nagai F, Watanabe Y. Description of Christensenella minuta gen. nov., sp. nov., isolated from human faeces, which forms a distinct branch in the order Clostridiales, and proposal of Christensenellaceae fam. nov. Int J Syst Evol Microbiol 2012; 62:144-149.
  • 🥇 Nomenclatural type of the order "Christensenellales" Parks et al. 2018. Publication: Parks DH, Chuvochina M, Waite DW, Rinke C, Skarshewski A, Chaumeil PA, Hugenholtz P. A standardized bacterial taxonomy based on genome phylogeny substantially revises the tree of life. Nat Biotechnol 2018; 36:996-1004.
  • 🥇 Nomenclatural type of the order Christensenellales Chuvochina et al. 2024. Publication: Chuvochina M, Mussig AJ, Chaumeil PA, Skarshewski A, Rinke C, Parks DH, Hugenholtz P. Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes. FEMS Microbiol Lett 2023; 0:0.
  • 🧕 Chuvochina et al. (2023) assigned this genus to the order Christensenellales Chuvochina et al. 2024. Publication: Chuvochina M, Mussig AJ, Chaumeil PA, Skarshewski A, Rinke C, Parks DH, Hugenholtz P. Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes. FEMS Microbiol Lett 2023; 0:0.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Christensella".
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 4; JCM: 2; CGMCC: 2; KCTC: 1; CCUG: 1.

Subdivision:

Number of child taxa with a validly published and correct name: 4
Number of child taxa with a validly published name, including synonyms: 4
Total number of child taxa: 6

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Christensenella hongkongensis (Lau et al. 2014) Liu et al. 2021	validly published under the ICNP	correct name
    Christensenella intestinihominis Zou et al. 2021	validly published under the ICNP	correct name
    "Christensenella massiliensis" Ndongo et al. 2016	not validly published	preferred name (not correct name)
    Christensenella minuta Morotomi et al. 2012	validly published under the ICNP	correct name
    Christensenella tenuis Liu et al. 2022	validly published under the ICNP	correct name
    "Christensenella timonensis" Ndongo et al. 2016	not validly published	preferred name (not correct name)

Parent taxon: Christensenellaceae Morotomi et al. 2012

Assigned by: Morotomi M, Nagai F, Watanabe Y. Description of Christensenella minuta gen. nov., sp. nov., isolated from human faeces, which forms a distinct branch in the order Clostridiales, and proposal of Christensenellaceae fam. nov. Int J Syst Evol Microbiol 2012; 62:144-149.

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Record number: 518159