Biology:Actinomycetia

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Short description: Class of bacteria

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). https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?id=1760. Retrieved 13 June 2021. 
  2. "Proposal for a new hierarchic classification system, Actinobacteria classis nov.". Int. J. Syst. Bacteriol. 47 (2): 479–491. 1997. doi:10.1099/00207713-47-2-479. 
  3. 3.0 3.1 3.2 "Actinobacteria". https://lpsn.dsmz.de/class/actinobacteria. 
  4. "Genome-Based Taxonomic Classification of the Phylum Actinobacteria". Front. Microbiol. 9: 2007. 2018. doi:10.3389/fmicb.2018.02007. PMID 30186281.