Thaumarchaeal ammonia oxidation in an acidic forest peat soil is not influenced by ammonium amendment.

@article{Stopnisek2010ThaumarchaealAO,
  title={Thaumarchaeal ammonia oxidation in an acidic forest peat soil is not influenced by ammonium amendment.},
  author={Nejc Stopnisek and C{\'e}cile Gubry-Rangin and Spela H{\"o}fferle and Graeme W. Nicol and Ines Mandi{\'c}-Mulec and James I Prosser},
  journal={Applied and environmental microbiology},
  year={2010},
  volume={76 22},
  pages={7626-34}
}
Both bacteria and thaumarchaea contribute to ammonia oxidation, the first step in nitrification. The abundance of putative ammonia oxidizers is estimated by quantification of the functional gene amoA, which encodes ammonia monooxygenase subunit A. In soil, thaumarchaeal amoA genes often outnumber the equivalent bacterial genes. Ecophysiological studies indicate that thaumarchaeal ammonia oxidizers may have a selective advantage at low ammonia concentrations, with potential adaptation to soils… CONTINUE READING

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