Growth, activity and temperature responses of ammonia‐oxidizing archaea and bacteria in soil microcosms

Ammonia oxidation, as the first step in the nitrification process, plays a central role in the global cycling of nitrogen. Although bacteria are traditionally considered to be responsible for ammonia oxidation, a role for archaea has been suggested by data from metagenomic studies and by the isolation of a marine, autotrophic, ammonia-oxidizing, non-thermophilic crenarchaeon. Evidence for ammonia oxidation by non-thermophilic crenarchaea in marine and terrestrial environments is largely based on abundance of bacterial and archaeal ammonia monooxygenase (amo) genes, rather than activity. In this study, we have determined the influence of temperature on the response of ammonia-oxidizing bacteria and archaea in…

• SR
  Sight Research UK

  Award: NE/D010195/1
• SS
  State Scholarships Foundation
• NE
  Natural Environment Research Council

  Award: NE/D010195/1