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Clostridiales: Wikis

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Clostridia
Scientific classification
Kingdom: Bacteria
Phylum: Firmicutes
Class: Clostridia
Orders

Clostridiales
   Catabacteriaceae
   Clostridiaceae
   Eubacteriaceae
   Graciibacteraceae
   Heliobacteriaceae
   Lachnospiraceae
   Oscillospiraceae
   Peptococcaceae
   Peptostreptococcaceae
   Ruminococcaceae
   Syntrophomonadaceae
   Veillonellaceae Halanaerobiales
Thermoanaerobacteriales

The Clostridia (sulfite-reducing bacteria) are a class of Firmicutes, including Clostridium and other similar genera. They are distinguished from the Bacilli by lacking aerobic respiration. They are obligate anaerobes and oxygen is toxic to them. Species of the genus Clostridia are all Gram-positive and have the ability to form spores. Studies show they are not a monophyletic group, and their relationships are not entirely certain. Currently most are placed in a single order called Clostridiales, but this is not a natural group and is likely to be redefined in the future.

Most species of the genus Clostridia are saprophytic organisms found in many places in the environment, most notably the soil. However, the genus does contain some incredibly dangerous human pathogens (outlined below). Interestingly, the toxins produced by certain members of the Clostridia genus are among the most dangerous known to man. C. tetani's tetanus toxin (known as tetanospasmin) is lethal but even more dangerous is the botulinum toxin produced by C. botulinum.

Notable species of this Class include;

Heliobacteria are also members of the class Clostridium.

Some of the enzymes produced by this group are used in bioremediation.

See also

Clostridium

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Wiktionary

Up to date as of January 15, 2010

Definition from Wiktionary, a free dictionary

Contents

Translingual

Etymology

Proper noun

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Wikipedia

Clostridiales

  1. a taxonomic order, within class Clostridia - the clostridium and related bacteria
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See also

  • Acidaminococcaceae
  • Clostridiaceae
  • Eubacteriaceae
  • Heliobacteriaceae
  • Lachnospiraceae
  • Peptococcaceae
  • Peptostreptococcaceae
  • Syntrophomonadaceae

Wikispecies

Up to date as of January 23, 2010

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