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Actinomycetales: Wikis

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Actinomycetales
Scanning electron micrograph of Actinomyces israelii.
Scientific classification
Kingdom: Bacteria
Phylum: Actinobacteria
Class: Actinobacteria
Subclass: Actinobacteridae
Order: Actinomycetales
Buchanan, 1917
Suborders/Families

Actinomycetales is an order of Actinobacteria. They are very diverse and contain a variety of subdivisions as well as yet unclassified isolates. This is mainly because some genera are very difficult to classify because of a highly niche-dependent phenotype. For example Nocardia contains several species that were first believed to be distinct species before it was proven that their difference is purely depending on their growth conditions.

Contents

Classification difficult

Actinomycetales are Gram positive, however several species have complex cell wall structures that makes the gram staining unsuitable. Examples: Mycobacteriaceae

Pathogenic Familiae

Several Actinomycetales are pathogenic to humans or animals, plants or other cells. Among them, the leading killer of humans is Mycobacterium tuberculosis.

Biotechnologically exploited Familiae

Some species are used in industry and pharma-research because of their properties. Streptomycetaceae have a unique cell morphology, cell cycle and a variety of antibiotics they produce were essential for today's antibiotic discoveries. Corynebacteriaceae, especially Corynebacterium glutamicum is used in biotechnology for production.

External links

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Wiktionary

Up to date as of January 15, 2010

Definition from Wiktionary, a free dictionary

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Translingual

Proper noun

Actinomycetales

  1. A taxonomic order, within subclass Actinobacteridae - the actinomycetes.

See also

  • Actinomycineae
  • Corynebacterineae
  • Frankineae
  • Glycomycineae
  • Micrococcineae
  • Micromonosporineae
  • Propionibacterineae
  • Pseudonocardineae
  • Streptomycineae
  • Streptosporangineae

Wikispecies

Up to date as of January 23, 2010

From Wikispecies

Taxonavigation

Main Page
Superregnum: Bacteria
Regnum: Bacteria
Phylum: Actinobacteria
Classis: Actinobacteria
Subclassis: Actinobacteridae
Ordo: Actinomycetales
Subordines: Actinomycineae - Corynebacterineae - Frankineae - Glycomycineae - Micrococcineae - Micromonosporineae - Propionibacterineae - Pseudonocardineae - Streptomycineae - Streptosporangineae

Name

Actinomycetales Buchanan, 1917

Reference

  • Studies in the nomenclature and classification of bacteria. II. The primary subdivisions of the Schizomycetes. Journal of Systematic Bacteriology 2: 155-164.

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