Name: Blastococcus Ahrens and Moll 1970 (Approved Lists 1980)

Category: Genus

Proposed as: gen. nov.

Etymology: Blas.to.coc’cus. Gr. masc. n. blastos, bud, shoot; N.L. masc. n. coccus, coccus; from Gr. masc. n. kokkos, grain, seed; N.L. masc. n. Blastococcus, budding coccus

Gender, pronunciation (Latin): masculine (stem: Blastococc-), blas-to-KOK-kus

Type species: Blastococcus aggregatus Ahrens and Moll 1970 (Approved Lists 1980)

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Ahrens R, Moll G. [A new budding bacterium from the Baltic Sea]. Arch Mikrobiol 1970; 70:243-265.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Emendations:
  • Urzì et al. 2004 Urzi C, Salamone P, Schumann P, Rohde M, Stackebrandt E. Blastococcus saxobsidens sp. nov., and emended descriptions of the genus Blastococcus Ahrens and Moll 1970 and Blastococcus aggregatus Ahrens and Moll 1970. Int J Syst Evol Microbiol 2004; 54:253-259. 🇩🇪 Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 54, part 1 of the IJSEM. Int J Syst Evol Microbiol 2004; 54:633-634.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 1 new species in the genus.
    • 😢 The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. Contrasting the term "chemotaxonomic" with "phenotypic" is not recommended. Whether taxa can have "members" is debatable. See the LPSN phylogeny page for details.
  • Lee 2006 Lee SD. Blastococcus jejuensis sp. nov., an actinomycete from beach sediment, and emended description of the genus Blastococcus Ahrens and Moll 1970. Int J Syst Evol Microbiol 2006; 56:2391-2396. 🇰🇷 Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 56, part 10 of the IJSEM. Int J Syst Evol Microbiol 2007; 57:2-3.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 1 new species in the genus.
  • Hezbri et al. 2016 Hezbri K, Louati M, Nouioui I, Gtari M, Rohde M, Sproer C, Schumann P, Klenk HP, Ghodhbane-Gtari F, Montero-Calasanz MD. Blastococcus capsensis sp. nov., isolated from an archaeological Roman pool and emended description of the genus Blastococcus, B. aggregatus, B. saxobsidens, B. jejuensis and B. endophyticus. Int J Syst Evol Microbiol 2016; 66:4864-4872. 🇹🇳 Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 66, part 11 of the IJSEM. Int J Syst Evol Microbiol 2017; 67:179-182.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 1 new species in the genus.

• Notes:
  • 🧕 Sen et al. (2014) assigned this genus to the order Geodermatophilales Sen et al. 2014. Publication: Sen A, Daubin V, Abrouk D, Gifford I, Berry AM, Normand P. Phylogeny of the class Actinobacteria revisited in the light of complete genomes. The orders 'Frankiales' and Micrococcales should be split into coherent entities: proposal of Frankiales ord. nov., Geodermatophilales ord. nov., Acidothermales ord. nov. and Nakamurellales ord. nov. Int J Syst Evol Microbiol 2014; 64:3821-3832. 🇫🇷
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Blstococcus"; "Blustococcus".
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Hezbri et al. (2017), Montero-Calasanz et al. (2023), Hezbri et al. (2024). Editors in search of reviewers are advised to consider additional criteria such as whether a taxon is covered by one of the ICSP subcommittees.
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 16; JCM: 8; CECT: 7; KCTC: 5; NRRL: 3; NCIMB: 2; KCCM: 2; SYSU: 1; ATCC: 1; CPCC: 1.
  • 🧍 Pittman et al. (1991) suggested the abbreviation "BSCO" for this genus name but this does not appear to be of practical relevance any longer. Publication: Pittman KF, Walczak CA, Lock CM. Codes and abbreviations for approved of effectively published names of genera of bacteria published from January 1980 to December 1990. Int J Syst Bacteriol 1991; 41:571-579.

Subdivision:

Number of child taxa with a validly published and correct name: 18
Number of child taxa with a validly published name, including synonyms: 19
Total number of child taxa: 20

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Blastococcus aggregatus Ahrens and Moll 1970 (Approved Lists 1980)	validly published under the ICNP	correct name
    Blastococcus atacamensis Castro et al. 2018	validly published under the ICNP	correct name
    Blastococcus aurantiacus Montero-Calasanz et al. 2023	validly published under the ICNP	correct name
    Blastococcus brunescens Hezbri et al. 2024	validly published under the ICNP	correct name
    Blastococcus capsensis Hezbri et al. 2016	validly published under the ICNP	correct name
    Blastococcus carthaginiensis Kammoun et al. 2023	validly published under the ICNP	correct name
    Blastococcus colisei Hezbri et al. 2017	validly published under the ICNP	correct name
    Blastococcus deserti Yang et al. 2019	validly published under the ICNP	correct name
    Blastococcus endophyticus Zhu et al. 2013	validly published under the ICNP	synonym
    Blastococcus fimeti Montero-Calasanz et al. 2023	validly published under the ICNP	correct name
    Blastococcus goldschmidtiae Nouioui et al. 2025	validly published under the ICNP	correct name
    Blastococcus haudaquaticus Montero-Calasanz et al. 2023	validly published under the ICNP	correct name
    Blastococcus jejuensis Lee 2006	validly published under the ICNP	correct name
    Blastococcus litoris Lee et al. 2018	validly published under the ICNP	correct name
    "Candidatus Blastococcus massiliensis" Pfleiderer et al. 2013	not validly published	pro-correct name
    Blastococcus mobilis Montero-Calasanz et al. 2023	validly published under the ICNP	correct name
    Blastococcus montanus Wang et al. 2024	validly published under the ICNP	correct name
    Blastococcus saxobsidens Urzì et al. 2004	validly published under the ICNP	correct name
    Blastococcus tunisiensis Louati et al. 2022	validly published under the ICNP	correct name
    Blastococcus xanthinilyticus Hezbri et al. 2018	validly published under the ICNP	correct name

Parent taxon: Geodermatophilaceae Normand 2006

Assigned by: Normand P. Geodermatophilaceae fam. nov., a formal description. Int J Syst Evol Microbiol 2006; 56:2277-2278. 🇫🇷

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Record number: 515245