Name: Chloroflexus Pierson and Castenholz 1974 (Approved Lists 1980)

Category: Genus

Proposed as: gen. nov.

Etymology: Chlo.ro.fle.xus. Gr. masc. adj. chlôros, green; L. masc. perf. part. flexus, a bending; N.L. masc. n. Chloroflexus, green bending

Gender: masculine (stem: Chloroflex-)

Type species: Chloroflexus aurantiacus Pierson and Castenholz 1974 (Approved Lists 1980)

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Pierson BK, Castenholz RW. A phototrophic gliding filamentous bacterium of hot springs, Chloroflexus aurantiacus, gen. and sp. nov. Arch Microbiol 1974; 100:5-24.

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

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the class Chloroflexi Gupta et al. 2013. Publication: Gupta RS, Chander P, George S. Phylogenetic framework and molecular signatures for the class Chloroflexi and its different clades; proposal for division of the class Chloroflexia class. nov. [corrected] into the suborder Chloroflexineae subord. nov., consisting of the emended family Oscillochloridaceae and the family Chloroflexaceae fam. nov., and the suborder Roseiflexineae subord. nov., containing the family Roseiflexaceae fam. nov. Antonie Van Leeuwenhoek 2013; 103:99-119.
  • 🥇 Nomenclatural type of the class Chloroflexia corrig. Gupta et al. 2013. Publication: Gupta RS, Chander P, George S. Phylogenetic framework and molecular signatures for the class Chloroflexi and its different clades; proposal for division of the class Chloroflexia class. nov. [corrected] into the suborder Chloroflexineae subord. nov., consisting of the emended family Oscillochloridaceae and the family Chloroflexaceae fam. nov., and the suborder Roseiflexineae subord. nov., containing the family Roseiflexaceae fam. nov. Antonie Van Leeuwenhoek 2013; 103:99-119.
  • 🥇 Nomenclatural type of the family Chloroflexaceae Gupta et al. 2013. Publication: Gupta RS, Chander P, George S. Phylogenetic framework and molecular signatures for the class Chloroflexi and its different clades; proposal for division of the class Chloroflexia class. nov. [corrected] into the suborder Chloroflexineae subord. nov., consisting of the emended family Oscillochloridaceae and the family Chloroflexaceae fam. nov., and the suborder Roseiflexineae subord. nov., containing the family Roseiflexaceae fam. nov. Antonie Van Leeuwenhoek 2013; 103:99-119.
  • 🥇 Nomenclatural type of the order Chloroflexales Gupta et al. 2013. Publication: Gupta RS, Chander P, George S. Phylogenetic framework and molecular signatures for the class Chloroflexi and its different clades; proposal for division of the class Chloroflexia class. nov. [corrected] into the suborder Chloroflexineae subord. nov., consisting of the emended family Oscillochloridaceae and the family Chloroflexaceae fam. nov., and the suborder Roseiflexineae subord. nov., containing the family Roseiflexaceae fam. nov. Antonie Van Leeuwenhoek 2013; 103:99-119.
  • 🥇 Nomenclatural type of the phylum Chloroflexota Garrity and Holt 2021. Publication: Oren A, Garrity GM. Valid publication of the names of forty-two phyla of prokaryotes. Int J Syst Evol Microbiol 2021; 71:5056.
  • 🥇 Nomenclatural type of the suborder Chloroflexineae Gupta et al. 2013. Publication: Gupta RS, Chander P, George S. Phylogenetic framework and molecular signatures for the class Chloroflexi and its different clades; proposal for division of the class Chloroflexia class. nov. [corrected] into the suborder Chloroflexineae subord. nov., consisting of the emended family Oscillochloridaceae and the family Chloroflexaceae fam. nov., and the suborder Roseiflexineae subord. nov., containing the family Roseiflexaceae fam. nov. Antonie Van Leeuwenhoek 2013; 103:99-119.
  • 🧕 Cavalier-Smith (1981) assigned this genus to the subkingdom "Eubacteria" Cavalier-Smith 1981. Publication: Cavalier-Smith T. Eukaryote kingdoms: seven or nine? Biosystems 1981; 14:461-481.
  • 🧕 Cavalier-Smith (2002) assigned this genus to the class Chlorobacteria Cavalier-Smith 2002. Publication: Cavalier-Smith T. The neomuran origin of archaebacteria, the negibacterial root of the universal tree and bacterial megaclassification. Int J Syst Evol Microbiol 2002; 52:7-76.
  • 🧕 Cavalier-Smith and Chao (2020) assigned this genus to the subphylum "Chloroflexotia" Cavalier-Smith 2020. Publication: Cavalier-Smith T, Chao EE. Multidomain ribosomal protein trees and the planctobacterial origin of neomura (eukaryotes, archaebacteria). Protoplasma 2020; 257:621-753.
  • 🧕 Gupta et al. (2013) assigned this genus to the class Chloroflexia corrig. Gupta et al. 2013. Publication: Gupta RS, Chander P, George S. Phylogenetic framework and molecular signatures for the class Chloroflexi and its different clades; proposal for division of the class Chloroflexia class. nov. [corrected] into the suborder Chloroflexineae subord. nov., consisting of the emended family Oscillochloridaceae and the family Chloroflexaceae fam. nov., and the suborder Roseiflexineae subord. nov., containing the family Roseiflexaceae fam. nov. Antonie Van Leeuwenhoek 2013; 103:99-119.
  • 🧕 Gupta et al. (2013) assigned this genus to the order Chloroflexales Gupta et al. 2013. Publication: Gupta RS, Chander P, George S. Phylogenetic framework and molecular signatures for the class Chloroflexi and its different clades; proposal for division of the class Chloroflexia class. nov. [corrected] into the suborder Chloroflexineae subord. nov., consisting of the emended family Oscillochloridaceae and the family Chloroflexaceae fam. nov., and the suborder Roseiflexineae subord. nov., containing the family Roseiflexaceae fam. nov. Antonie Van Leeuwenhoek 2013; 103:99-119.
  • 🧕 Gupta et al. (2013) assigned this genus to the suborder Chloroflexineae Gupta et al. 2013. Publication: Gupta RS, Chander P, George S. Phylogenetic framework and molecular signatures for the class Chloroflexi and its different clades; proposal for division of the class Chloroflexia class. nov. [corrected] into the suborder Chloroflexineae subord. nov., consisting of the emended family Oscillochloridaceae and the family Chloroflexaceae fam. nov., and the suborder Roseiflexineae subord. nov., containing the family Roseiflexaceae fam. nov. Antonie Van Leeuwenhoek 2013; 103:99-119.
  • 🧕 Oren and Garrity (2021) assigned this genus to the phylum Chloroflexota Garrity and Holt 2021. Publication: Oren A, Garrity GM. Valid publication of the names of forty-two phyla of prokaryotes. Int J Syst Evol Microbiol 2021; 71:5056.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Chioroflexus"; "Chlbroflexus"; "Chlmoflexus"; "Chlmojlexus"; "Chlomflexus"; "Chlorafkxus"; "Chlorflexus"; "Chlorofexus"; "Chlorofiexus"; "Chloroflaus"; "Chloroflnus"; "Chlorojexus"; "Chlorojlaus"; "Chlorojlexus"; "Chlurofexus"; "Chluroflexus"; "Chluroflexw"; "Choloroflexus"; "Cholroflexus".
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Imhoff JF, Madigan MT. International Committee on Systematics of Prokaryotes Subcommittee on the taxonomy of phototrophic bacteria. Minutes of the Meetings, 28 August 2000, Barcelona, Spain. Int. J. Syst. Evol. Microbiol. 2002; 52:2335-2336.
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 3; JCM: 2; VKM: 1; ATCC: 1.
  • 😷 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 "CLFX" 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: 3
Number of child taxa with a validly published name, including synonyms: 3
Total number of child taxa: 3

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Chloroflexus aggregans Hanada et al. 1995	validly published under the ICNP	correct name
    Chloroflexus aurantiacus Pierson and Castenholz 1974 (Approved Lists 1980)	validly published under the ICNP	correct name
    Chloroflexus islandicus Gaisin et al. 2017	validly published under the ICNP	correct name

Parent taxon: Chloroflexaceae Gupta et al. 2013

Assigned by: Gupta RS, Chander P, George S. Phylogenetic framework and molecular signatures for the class Chloroflexi and its different clades; proposal for division of the class Chloroflexia class. nov. [corrected] into the suborder Chloroflexineae subord. nov., consisting of the emended family Oscillochloridaceae and the family Chloroflexaceae fam. nov., and the suborder Roseiflexineae subord. nov., containing the family Roseiflexaceae fam. nov. Antonie Van Leeuwenhoek 2013; 103:99-119.

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Record number: 516996