Actinomycetia

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Actinomycetia
Actinomyces israelii.jpg
Scanning electron micrograph of Actinomyces israelii.
Scientific classification e
Domain: Bacteria
Phylum: Actinomycetota
Class: Actinomycetia
(Stackebrandt et al. 1997) Salam et al. 2020[1]
Orders

See text.

Synonyms
  • Actinobacteria Stackebrandt et al. 1997 emend. Nouioui et al. 2018, emended name 1)
  • Actinomycetes Krassilnikov 1949 (Approved Lists 1980)
  • Arabobacteria Cavalier-Smith 2002
  • Arthrobacteria Cavalier-Smith 2002
  • Streptomycetes Cavalier-Smith 2002

The Actinomycetia are a class of bacteria.[2]

Orders[]

The class Actinomycetia comprises the following orders:[3]

  • Acidothermales Sen et al. 2014
  • Actinomycetales Buchanan 1917 (Approved Lists 1980)
  • Actinopolysporales Goodfellow and Trujillo 2015
  • Bifidobacteriales Stackebrandt et al. 1997
  • Catenulisporales Donadio et al. 2015
  • Cryptosporangiales Nouioui et al. 2018
  • Frankiales Sen et al. 2014
  • Geodermatophilales Sen et al. 2014
  • Glycomycetales Labeda 2015
  • Jatrophihabitantales Salam et al. 2020
  • Jiangellales Tang et al. 2015
  • Kineosporiales Kämpfer 2015
  • Micrococcales Prévot 1940 (Approved Lists 1980)
  • Micromonosporales Genilloud 2015
  • Mycobacteriales Janke 1924 (Approved Lists 1980)
  • Nakamurellales Sen et al. 2014
  • Propionibacteriales (Rainey et al. 1997) Patrick and McDowell 2015
  • Pseudonocardiales Labeda and Goodfellow 2015
  • Sporichthyales Nouioui et al. 2018
  • Streptomycetales Cavalier-Smith 2002
  • Streptosporangiales Goodfellow 2015

Genera incertae sedis[]

The following genera have been assigned to class Actinobacteria, but not to an order or a family:[3]

  • "Acidithiomicrobium" Davis-Belmar and Norris 2009
  • "Candidatus Ancillula" Strassert et al. 2012
  • "Candidatus Neomicrothrix" corrig. Blackall et al. 1996
  • "Candidatus Nostocoides" corrig. Blackall et al. 2000

Phylogeny[]

The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN).[3] The phylogeny is based on whole-genome analysis.[4]

 
Actinobacteria (class)
 
 
 
 
 
 
 

Acidothermales

 
 

Sporichthyales

 
 
 
 

Catenulisporales

 
 

Streptomycetales

 
 
 
 

Streptosporangiales

 
 
 
 

Jiangellales

 
 

Propionibacteriales

 
 
 
 

Frankiales

 
 
 
 
 

Cryptosporangiales

 
 
 

Glycomycetales

 
 

Micromonosporales

 
 
 
 
 
 

Jatrophihabitantales

 
 

Geodermatophilales

 
 
 
 

Nakamurellales

 
 
 

Mycobacteriales

 
 
 

Actinopolysporales

 
 

Pseudonocardiales

 
 
 
 
 
 
 
 
 
 

Bifidobacteriales

 
 

Actinomycetales

 
 
 
 

Kineosporiales

 
 

Micrococcales

 
 
 
 
outgroup

Nitriliruptoria

 
 

References[]

  1. ^ "Actinomycetia". National Center for Biotechnology Information (NCBI). Retrieved 13 June 2021.
  2. ^ Stackebrandt E, Rainey FA, Ward-Rainey NL (1997). "Proposal for a new hierarchic classification system, Actinobacteria classis nov". Int. J. Syst. Bacteriol. 47 (2): 479–491. doi:10.1099/00207713-47-2-479.
  3. ^ a b c Euzéby JP, Parte AC. "Actinobacteria". List of Prokaryotic names with Standing in Nomenclature (LPSN). Retrieved June 7, 2021.
  4. ^ Nouioui I, Carro L, García-López M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Göker M (2018). "Genome-Based Taxonomic Classification of the Phylum Actinobacteria". Front. Microbiol. 9: 2007. doi:10.3389/fmicb.2018.02007. PMC 6113628. PMID 30186281.

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