Clostridium sticklandii, a specialist in amino acid degradation: revisiting its metabolism through its genome sequence
2010

Understanding Clostridium sticklandii's Amino Acid Degradation

publication Evidence: moderate

Author Information

Author(s): Fonknechten Nuria, Chaussonnerie Sébastien, Tricot Sabine, Lajus Aurélie, Andreesen Jan R, Perchat Nadia, Pelletier Eric, Gouyvenoux Michel, Barbe Valérie, Salanoubat Marcel, Le Paslier Denis, Weissenbach Jean, Cohen Georges N, Kreimeyer Annett

Primary Institution: CEA, DSV, Institut de Génomique, Genoscope

Hypothesis

What are the metabolic pathways and genome features of Clostridium sticklandii related to amino acid degradation?

Conclusion

The study reveals that Clostridium sticklandii has unique metabolic features for anaerobic amino acid degradation, including the presence of two CO2-fixation pathways.

Supporting Evidence

  • C. sticklandii degrades amino acids in a preferential and sequential way.
  • The organism prefers threonine, arginine, serine, cysteine, proline, and glycine.
  • Energy conservation is primarily obtained by substrate-level phosphorylation.
  • C. sticklandii possesses both F-type and V-type ATPases.
  • The genome contains genes for two different CO2-fixation pathways.

Takeaway

Clostridium sticklandii is a tiny bug that eats amino acids for energy and has some special tricks to do it better than others.

Methodology

The genome of Clostridium sticklandii was sequenced and analyzed, along with experimental procedures to study amino acid degradation.

Limitations

The study does not explore the full range of metabolic capabilities of Clostridium sticklandii under different environmental conditions.

Digital Object Identifier (DOI)

10.1186/1471-2164-11-555

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