Name: Chitinophaga Sangkhobol and Skerman 1981

Category: Genus

Proposed as: gen. nov.

Etymology: Chi.ti.no’pha.ga. N.L. neut. n. chitinum, chitin; Gr. inf. v. phageîn, to eat; N.L. fem. n. Chitinophaga, chitin eater, chitin destroyer

Gender, pronunciation (Latin): feminine (stem: Chitinophag-), k^hi-ti-NO-p^ha-ga

Type species: Chitinophaga pinensis Sangkhobol and Skerman 1981

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Sangkhobol V, Skerman VBD. Chitinophaga, a new genus of chitinolytic myxobacteria. Int. J. Syst. Bacteriol. 1981; 31:285-293.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • Kämpfer et al. 2006 Kampfer P, Young CC, Sridhar KR, Arun AB, Lai WA, Shen FT, Rekha PD. Transfer of [Flexibacter] sancti, [Flexibacter] filiformis, [Flexibacter] japonensis and [Cytophaga] arvensicola to the genus Chitinophaga and description of Chitinophaga skermanii sp. nov. Int J Syst Evol Microbiol 2006; 56:2223-2228. 🇩🇪 Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 56, part 9 of the IJSEM. Int J Syst Evol Microbiol 2006; 56:2725-2726.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 5 new species in the genus.

• Notes:
  • 🥇 Nomenclatural type of the class Chitinophagia Munoz et al. 2017. Publication: Munoz R, Rossello-Mora R, Amann R. Revised phylogeny of Bacteroidetes and proposal of sixteen new taxa and two new combinations including Rhodothermaeota phyl. nov. Syst Appl Microbiol 2016; 39:281-296. 🇪🇸
  • 🥇 Nomenclatural type of the family Chitinophagaceae Kämpfer et al. 2011. Publication: Kampfer P, Lodders N, Falsen E. Hydrotalea flava gen. nov., sp. nov., a new member of the phylum Bacteroidetes and allocation of the genera Chitinophaga, Sediminibacterium, Lacibacter, Flavihumibacter, Flavisolibacter, Niabella, Niastella, Segetibacter, Parasegetibacter, Terrimonas, Ferruginibacter, Filimonas and Hydrotalea to the family Chitinophagaceae fam. nov. Int J Syst Evol Microbiol 2011; 61:518-523. 🇩🇪
  • 🥇 Nomenclatural type of the order Chitinophagales Munoz et al. 2017. Publication: Munoz R, Rossello-Mora R, Amann R. Corrigendum to "Revised phylogeny of Bacteroidetes and proposal of sixteen new taxa and two new combinations including Rhodothermaeota phyl. nov." [Syst. Appl. Microbiol. 39 (5) (2016) 281-296]. Syst Appl Microbiol 2016; 39:491-492. 🇪🇸
  • 🧕 Boone et al. (2001) assigned this genus to the family Crenotrichaceae Hansgirg 1888 (Approved Lists 1980). Publication: Garrity GM, Holt JG. The Road Map to the Manual. In: Boone DR, Castenholz RW, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, second edition, vol. 1 (The Archaea and the deeply branching and phototrophic Bacteria), Springer-Verlag, New York, 2001, p. 119-166. 🇺🇸
  • 🧕 Munoz et al. (2016) assigned this genus to the class Chitinophagia Munoz et al. 2017. Publication: Munoz R, Rossello-Mora R, Amann R. Revised phylogeny of Bacteroidetes and proposal of sixteen new taxa and two new combinations including Rhodothermaeota phyl. nov. Syst Appl Microbiol 2016; 39:281-296. 🇪🇸
  • 🧕 Munoz et al. (2016) assigned this genus to the order Chitinophagales Munoz et al. 2017. Publication: Munoz R, Rossello-Mora R, Amann R. Corrigendum to "Revised phylogeny of Bacteroidetes and proposal of sixteen new taxa and two new combinations including Rhodothermaeota phyl. nov." [Syst. Appl. Microbiol. 39 (5) (2016) 281-296]. Syst Appl Microbiol 2016; 39:491-492. 🇪🇸
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Chitinopha"; "Chitinophaca"; "Chitninophaga"; "Chitnophaga"; "Chtinophaga"; "Tinophaga".
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Cheng et al. (2015), Zhang et al. (2021), Chung et al. (2012), Lee and Whang (2014), Trinh and Kim (2023). 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: KCTC: 22; DSM: 20; KACC: 18; JCM: 18; NBRC: 10; CCTCC: 9; LMG: 6; GDMCC: 6; CIP: 5; IFO: 5.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 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.
  • 🧍 Pittman et al. (1991) suggested the abbreviation "CHFG" 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: 50
Number of child taxa with a validly published name, including synonyms: 51
Total number of child taxa: 58

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Chitinophaga agri" Lee et al. 2021	not validly published	preferred name
    "Chitinophaga agrisoli" Jin et al. 2021	not validly published	preferred name
    Chitinophaga alhagiae Zou et al. 2019	validly published under the ICNP	correct name
    Chitinophaga arvensicola (Oyaizu et al. 1983) Kämpfer et al. 2006	validly published under the ICNP	correct name
    "Chitinophaga aurantiaca" Kim et al. 2019	not validly published	preferred name
    Chitinophaga barathri Zhang et al. 2015	validly published under the ICNP	correct name
    Chitinophaga caeni Jin et al. 2018	validly published under the ICNP	correct name
    Chitinophaga caseinilytica Dahal and Kim 2018	validly published under the ICNP	correct name
    "Chitinophaga chungangae" Huq and Akter 2021	not validly published	preferred name
    Chitinophaga costaii Proença et al. 2014	validly published under the ICNP	correct name
    Chitinophaga cymbidii Li et al. 2013	validly published under the ICNP	correct name
    Chitinophaga defluvii Liu et al. 2025	validly published under the ICNP	correct name
    Chitinophaga deserti Kong et al. 2019	validly published under the ICNP	correct name
    Chitinophaga dinghuensis Lv et al. 2015	validly published under the ICNP	correct name
    Chitinophaga eiseniae Yasir et al. 2011	validly published under the ICNP	correct name
    Chitinophaga extrema Goh et al. 2020	validly published under the ICNP	synonym
    Chitinophaga filiformis (Reichenbach 1989 ex Solntseva 1940) Kämpfer et al. 2006	validly published under the ICNP	correct name
    Chitinophaga flava Lv et al. 2019	validly published under the ICNP	correct name
    Chitinophaga fulva Dahal et al. 2021	validly published under the ICNP	correct name
    Chitinophaga ginsengihumi Lee and Whang 2014	validly published under the ICNP	correct name
    Chitinophaga ginsengisegetis Lee et al. 2007	validly published under the ICNP	correct name
    Chitinophaga ginsengisoli Lee et al. 2007	validly published under the ICNP	correct name
    Chitinophaga horti Han et al. 2024	validly published under the ICNP	correct name
    Chitinophaga hostae He et al. 2022	validly published under the ICNP	correct name
    Chitinophaga humicola Chaudhary and Kim 2018	validly published under the ICNP	correct name
    Chitinophaga japonensis (Fujita et al. 1997) Kämpfer et al. 2006	validly published under the ICNP	correct name
    Chitinophaga jiangningensis Wang et al. 2014	validly published under the ICNP	correct name
    Chitinophaga longshanensis Gao et al. 2015	validly published under the ICNP	correct name
    Chitinophaga lutea Zong et al. 2019	validly published under the ICNP	correct name
    Chitinophaga niabensis Weon et al. 2009	validly published under the ICNP	correct name
    Chitinophaga niastensis Weon et al. 2009	validly published under the ICNP	correct name
    Chitinophaga nivalis Trinh and Kim 2023	validly published under the ICNP	correct name
    Chitinophaga oryzae Niemhom et al. 2021	validly published under the ICNP	correct name
    Chitinophaga oryziterrae Chung et al. 2012	validly published under the ICNP	correct name
    Chitinophaga parva Ke et al. 2018	validly published under the ICNP	correct name
    Chitinophaga pendula Onouye et al. 2023	validly published under the ICNP	correct name
    Chitinophaga pinensis Sangkhobol and Skerman 1981	validly published under the ICNP	correct name
    Chitinophaga pollutisoli Lee et al. 2024	validly published under the ICNP	correct name
    Chitinophaga polysaccharea Han et al. 2014	validly published under the ICNP	correct name
    Chitinophaga qingshengii Cheng et al. 2015	validly published under the ICNP	correct name
    Chitinophaga rhizophila Zhang et al. 2021	validly published under the ICNP	correct name
    Chitinophaga rhizosphaerae Kim et al. 2017	validly published under the ICNP	correct name
    Chitinophaga rupis Lee et al. 2009	validly published under the ICNP	correct name
    "Chitinophaga salinisoli" Dong et al. 2018	not validly published	preferred name
    Chitinophaga sancti (Lewin 1969) Kämpfer et al. 2006	validly published under the ICNP	correct name
    Chitinophaga sedimenti Li et al. 2017	validly published under the ICNP	correct name
    Chitinophaga silvatica Yao et al. 2021	validly published under the ICNP	correct name
    Chitinophaga silvisoli Wang et al. 2019	validly published under the ICNP	correct name
    Chitinophaga skermanii Kämpfer et al. 2006	validly published under the ICNP	correct name
    Chitinophaga soli An et al. 2026	validly published under the ICNP	correct name
    Chitinophaga solisilvae Ping et al. 2020	validly published under the ICNP	correct name
    Chitinophaga taiwanensis Lin et al. 2014	validly published under the ICNP	correct name
    Chitinophaga terrae Kim and Jung 2007	validly published under the ICNP	correct name
    "Chitinophaga terrae" An et al. 2007	not validly published	preferred name
    Chitinophaga tropicalis Zhang et al. 2020	validly published under the ICNP	correct name
    Chitinophaga varians Lv et al. 2018	validly published under the ICNP	correct name
    "Chitinophaga vermicomposti" Yasir et al. 2010	not validly published	preferred name
    Chitinophaga vietnamensis Tran et al. 2020	validly published under the ICNP	correct name

Parent taxon: Chitinophagaceae Kämpfer et al. 2011

Assigned by: Kampfer P, Lodders N, Falsen E. Hydrotalea flava gen. nov., sp. nov., a new member of the phylum Bacteroidetes and allocation of the genera Chitinophaga, Sediminibacterium, Lacibacter, Flavihumibacter, Flavisolibacter, Niabella, Niastella, Segetibacter, Parasegetibacter, Terrimonas, Ferruginibacter, Filimonas and Hydrotalea to the family Chitinophagaceae fam. nov. Int J Syst Evol Microbiol 2011; 61:518-523. 🇩🇪

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Record number: 515359