Name: Alkalicoccobacillus plakortidis (Borchert et al. 2007) Kim et al. 2023

Category: Species

Proposed as: comb. nov.

Basonym: Bacillus plakortidis Borchert et al. 2007

Etymology: pla.kor’ti.dis. N.L. gen. fem. n. plakortidis, of Plakortis a genus of sponges

Gender: masculine

Type strain: DSM 19153; LMG 24732; NCIMB 14288; P203

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ880003 Analyse FASTA

Valid publication: Kim KH, Han DM, Lee JK, Jeon CO. Alkalicoccobacillus porphyridii sp. nov., isolated from a marine red alga, reclassification of Shouchella plakortidis and Shouchella gibsonii as Alkalicoccobacillus plakortidis comb. nov. and Alkalicoccobacillus gibsonii comb. nov., and emended description of the genus Alkalicoccobacillus Joshi et al. 2022. Int J Syst Evol Microbiol 2023; 73:6019.

IJSEM list: Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 73, part 8 of the IJSEM. Int J Syst Evol Microbiol 2023; 73:6094.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Shouchella oshimensis (Yumoto et al. 2005) Joshi et al. 2022

• Synonyms:

  • Name	Kind
    Shouchella lehensis (Ghosh et al. 2007) Joshi et al. 2022	heterotypic synonym, validly published under the ICNP
    Shouchella oshimensis (Yumoto et al. 2005) Joshi et al. 2022	heterotypic synonym, validly published under the ICNP
    Alkalihalobacillus oshimensis (Yumoto et al. 2005) Patel and Gupta 2020	heterotypic synonym, validly published under the ICNP
    Alkalihalobacillus lehensis (Ghosh et al. 2007) Patel and Gupta 2020	heterotypic synonym, validly published under the ICNP
    Bacillus oshimensis Yumoto et al. 2005	heterotypic synonym, validly published under the ICNP
    Alkalihalobacillus plakortidis (Borchert et al. 2007) Patel and Gupta 2020	homotypic synonym, validly published under the ICNP
    Bacillus plakortidis Borchert et al. 2007	homotypic synonym, validly published under the ICNP
    Bacillus lehensis Ghosh et al. 2007	heterotypic synonym, validly published under the ICNP
    Shouchella plakortidis (Borchert et al. 2007) Joshi et al. 2022	homotypic synonym, validly published under the ICNP

• Notes:
  • ⏲ According to Liu et al. (2019), this species is a later heterotypic synonym of Alkalihalobacillus oshimensis (Yumoto et al. 2005) Patel and Gupta 2020. Publication: Liu GH, Narsing Rao MP, Dong ZY, Wang JP, Che JM, Chen QQ, Sengonca C, Liu B, Li WJ. Genome-based reclassification of Bacillus plakortidis Borchert et al. 2007 and Bacillus lehensis Ghosh et al. 2007 as a later heterotypic synonym of Bacillus oshimensis Yumoto et al. 2005; Bacillus rhizosphaerae Madhaiyan et al. 2011 as a later heterotypic synonym of Bacillus clausii Nielsen et al. 1995. Antonie Van Leeuwenhoek 2019; 112:1725-1730.
  • ⏲ According to Liu et al. (2019), this species is a later heterotypic synonym of Bacillus oshimensis Yumoto et al. 2005. Publication: Liu GH, Narsing Rao MP, Dong ZY, Wang JP, Che JM, Chen QQ, Sengonca C, Liu B, Li WJ. Genome-based reclassification of Bacillus plakortidis Borchert et al. 2007 and Bacillus lehensis Ghosh et al. 2007 as a later heterotypic synonym of Bacillus oshimensis Yumoto et al. 2005; Bacillus rhizosphaerae Madhaiyan et al. 2011 as a later heterotypic synonym of Bacillus clausii Nielsen et al. 1995. Antonie Van Leeuwenhoek 2019; 112:1725-1730.
  • ⏲ According to Liu et al. (2019), this species is a later heterotypic synonym of Shouchella oshimensis (Yumoto et al. 2005) Joshi et al. 2022. Publication: Liu GH, Narsing Rao MP, Dong ZY, Wang JP, Che JM, Chen QQ, Sengonca C, Liu B, Li WJ. Genome-based reclassification of Bacillus plakortidis Borchert et al. 2007 and Bacillus lehensis Ghosh et al. 2007 as a later heterotypic synonym of Bacillus oshimensis Yumoto et al. 2005; Bacillus rhizosphaerae Madhaiyan et al. 2011 as a later heterotypic synonym of Bacillus clausii Nielsen et al. 1995. Antonie Van Leeuwenhoek 2019; 112:1725-1730.
  • 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.
  • 😢 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. Using the term "phylogenetic data" (or equivalent) for sequence data is not advocated. See the LPSN phylogeny page for details. Publication: Göker M. What can genome analysis offer for bacteria? In: Bridge P, Smith D, Stackebrandt E (eds), Trends in the systematics of bacteria and fungi, CAB International, Wallingford, 2021, p. 255-281.
  • ❗ Alkalicoccobacillus plakortidis is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Alkalicoccobacillus.
  • 🧬 The phylogenomic assignment score of this taxon is -0.06248 (N = 87).
  • 🎓 Name mentioned 1 time in PubMed until 2025-06-04.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of other species in the genus.

Parent taxon: Alkalicoccobacillus Joshi et al. 2022

Assigned by: Kim KH, Han DM, Lee JK, Jeon CO. Alkalicoccobacillus porphyridii sp. nov., isolated from a marine red alga, reclassification of Shouchella plakortidis and Shouchella gibsonii as Alkalicoccobacillus plakortidis comb. nov. and Alkalicoccobacillus gibsonii comb. nov., and emended description of the genus Alkalicoccobacillus Joshi et al. 2022. Int J Syst Evol Microbiol 2023; 73:6019.

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Record number: 40059