Genus Demequina

Name: Demequina Yi et al. 2007

Category, proposed as: genus, gen. nov.

Etymology: De.me.qui’na. N.L. fem. n. Demequina, arbitrary name derived from demethylmenaquinone, an unusual quinone found in this organism

Gender, pronunciation (Latin): feminine (stem: Demequin-), de-me-KWI-na

Type species: Demequina aestuarii Yi et al. 2007

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Yi H, Schumann P, Chun J. Demequina aestuarii gen. nov., sp. nov., a novel actinomycete of the suborder Micrococcineae, and reclassification of Cellulomonas fermentans Bagnara et al. 1985 as Actinotalea fermentans gen. nov., comb. nov. Int J Syst Evol Microbiol 2007; 57:151-156. 🇰🇷

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 57, part 1 of the IJSEM. Int J Syst Evol Microbiol 2007; 57:659-660.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Lysinimicrobium Hamada et al. 2012	heterotypic synonym, validly published under the ICNP

• Emendations:
  • Ue et al. 2011 Ue H, Matsuo Y, Kasai H, Yokota A. Demequina globuliformis sp. nov., Demequina oxidasica sp. nov. and Demequina aurantiaca sp. nov., actinobacteria isolated from marine environments, and proposal of Demequinaceae fam. nov. Int J Syst Evol Microbiol 2011; 61:1322-1329. 🇯🇵 Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 61, part 6 of the IJSEM. Int J Syst Evol Microbiol 2011; 61:2027-2028.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 3 new species in the genus.
  • Park et al. 2016 Park S, Jung YT, Won SM, Yoon JH. Demequina litorisediminis sp. nov., isolated from a tidal flat, and emended description of the genus Demequina. Int J Syst Evol Microbiol 2016; 66:4197-4203. 🇰🇷 Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 66, part 10 of the IJSEM. Int J Syst Evol Microbiol 2017; 67:4-6.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 1 new species in the genus.
  • Nouioui et al. 2018 Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007. 🇩🇪 Oren A, Garrity GM. List of changes in taxonomic opinion no. 29. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2019; 69:13-32.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 10 new species in the genus.

• Notes:
  • 🥇 Nomenclatural type of the family Demequinaceae Ue et al. 2011. Publication: Ue H, Matsuo Y, Kasai H, Yokota A. Demequina globuliformis sp. nov., Demequina oxidasica sp. nov. and Demequina aurantiaca sp. nov., actinobacteria isolated from marine environments, and proposal of Demequinaceae fam. nov. Int J Syst Evol Microbiol 2011; 61:1322-1329. 🇯🇵
  • 🥇 Nomenclatural type of the order Demequinales Salam et al. 2020. Publication: Salam N, Jiao JY, Zhang XT, Li WJ. Update on the classification of higher ranks in the phylum Actinobacteria. Int J Syst Evol Microbiol 2020; 70:1331-1355. 🇨🇳
  • 🧕 Salam et al. (2020) assigned this genus to the order Demequinales Salam et al. 2020. Publication: Salam N, Jiao JY, Zhang XT, Li WJ. Update on the classification of higher ranks in the phylum Actinobacteria. Int J Syst Evol Microbiol 2020; 70:1331-1355. 🇨🇳
  • 🧕 Zhi et al. (2009) assigned this genus to the family Cellulomonadaceae Stackebrandt and Prauser 1991. Publication: Zhi XY, Li WJ, Stackebrandt E. An update of the structure and 16S rRNA gene sequence-based definition of higher ranks of the class Actinobacteria, with the proposal of two new suborders and four new families and emended descriptions of the existing higher taxa. Int J Syst Evol Microbiol 2009; 59:589-608. 🇨🇳
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Demquina".
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Hamada et al. (2017), Park et al. (2016). 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: NBRC: 19; DSM: 18; KCTC: 11; GDMCC: 5; MBIC: 3; SYSU: 2; JCM: 1; EGI: 1; TBRC: 1; LMG: 1.

Subdivision:

Number of child taxa with a validly published and correct name: 26
Number of child taxa with a validly published name, including synonyms: 26
Total number of child taxa: 26

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Demequina activiva Park et al. 2015	validly published under the ICNP	correct name
    Demequina aestuarii Yi et al. 2007	validly published under the ICNP	correct name
    Demequina aurantiaca Ue et al. 2011	validly published under the ICNP	correct name
    Demequina capsici Humaira et al. 2025	validly published under the ICNP	correct name
    Demequina flava Hamada et al. 2013	validly published under the ICNP	correct name
    Demequina gelatinilytica (Hamada et al. 2015) Nouioui et al. 2018	validly published under the ICNP	correct name
    Demequina globuliformis Ue et al. 2011	validly published under the ICNP	correct name
    Demequina iriomotensis (Hamada et al. 2015) Nouioui et al. 2018	validly published under the ICNP	correct name
    Demequina lignilytica Gao et al. 2024	validly published under the ICNP	correct name
    Demequina litoralis Gao et al. 2024	validly published under the ICNP	correct name
    Demequina litorisediminis Park et al. 2016	validly published under the ICNP	correct name
    Demequina lutea Finster et al. 2009	validly published under the ICNP	correct name
    Demequina mangrovi (Hamada et al. 2012) Nouioui et al. 2018	validly published under the ICNP	correct name
    Demequina maris Nouioui et al. 2018	validly published under the ICNP	correct name
    Demequina muriae Gao et al. 2024	validly published under the ICNP	correct name
    Demequina oxidasica Ue et al. 2011	validly published under the ICNP	correct name
    Demequina pelophila (Hamada et al. 2015) Nouioui et al. 2018	validly published under the ICNP	correct name
    Demequina phytophila Nouioui et al. 2018	validly published under the ICNP	correct name
    Demequina rhizosphaerae (Hamada et al. 2015) Nouioui et al. 2018	validly published under the ICNP	correct name
    Demequina salsinemoris Matsumoto et al. 2010	validly published under the ICNP	correct name
    Demequina sediminicola Hamada et al. 2013	validly published under the ICNP	correct name
    Demequina sediminis (Hamada et al. 2017) Yang and Zhi 2020	validly published under the ICNP	correct name
    Demequina silvatica Nouioui et al. 2018	validly published under the ICNP	correct name
    Demequina soli (Hamada et al. 2015) Nouioui et al. 2018	validly published under the ICNP	correct name
    Demequina subtropica (Hamada et al. 2015) Nouioui et al. 2018	validly published under the ICNP	correct name
    Demequina zhanjiangensis Gao et al. 2024	validly published under the ICNP	correct name

Parent taxon: Demequinaceae Ue et al. 2011

Assigned by: Ue H, Matsuo Y, Kasai H, Yokota A. Demequina globuliformis sp. nov., Demequina oxidasica sp. nov. and Demequina aurantiaca sp. nov., actinobacteria isolated from marine environments, and proposal of Demequinaceae fam. nov. Int J Syst Evol Microbiol 2011; 61:1322-1329. 🇯🇵

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.517498Copy to clipboardLink copied to clipboard

Record number: 517498