Purple Non-Sulfur Bacteria

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Purple Non-Sulfur Bacteria

• A very unique organism
• By Kyle Kopple

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Metabolism

• Purple non-sulfur bacteria are unique as they are
  photoheterotrophs, gathering energy from sunlight
  but CO2 from eating organic compounds. They are
  also capable of adapting to be photoautotrophs or
  chemautotrophs, even using low sulfur
  concentrations despite the name. They are
  anaerobic.

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Classification

• These bacteria are know as Rhodospirillaceae and
  are classified under proteobacteria. They can be
  any of the usual bacterial shapes rod, spiral,
  spherical. They are also gram-negative.

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Other info

• They can live with or without light
• Can use sulfides despite their name
• Can be found in most water habitats including
  precipitation
• Their ecological role is not completely known
• They common and diverse, yet mostly unknown

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Bibliography

• http//jb.asm.org/cgi/reprint/104/1/462.pdf
• http//www.encyclopedia.com/doc/1O7-Rhodospirillac
  eae.html
• http//www.splammo.net/bact102/102pnsb.html
• http//bricker.tcnj.edu/micro/micro8.htmlhttp//br
  icker.tcnj.edu/micro/micro8.html