Sergei Winogradsky - Discoveries

Discoveries

Winogradsky discovered various biogeochemical cycles and parts of these cycles. These discoveries include

  • His work on bacterial sulfate reduction for which he first became renowned, including the first known form of lithotrophy (in Beggiatoa).
  • His work on the Nitrogen cycle including
    • The identification of the obligate anaerobe Clostridium pasteurianum capable of fixing atmospheric nitrogen and living in legume root nodules.
    • Chemosynthesis – his most noted discovery
    • The Winogradsky column

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