Journal of South China University of Technology (Natural Science Edition) ›› 2013, Vol. 41 ›› Issue (12): 107-114.doi: 10.3969/j.issn.1000-565X.2013.12.018

• Biological Engineering • Previous Articles     Next Articles

Research Progress of Ammonia- Oxidizing Archaea

Luo Jian- fei Lin Wei- tie   

  1. School of Biological Science and Engineering,South China University of Technology,Guangzhou 510006,Guangdong,China
  • Received:2013-04-01 Revised:2013-07-27 Online:2013-12-25 Published:2013-11-19
  • Contact: 林炜铁(1964-)，男，教授，主要从事微生物生态学、发酵工程等的研究． E-mail:weitie@21cn.com
  • About author:罗剑飞(1984-)，男，副教授，主要从事环境微生物理论和应用研究．E-mail:ljfjf2002@scut．edu．cn
  • Supported by:

    国家自然科学基金资助项目(21076090， 21276099);高等学校博士学科点专项基金资助项目(20120172120045);华南理工大学中央高校基本科研业务费专项资金资助项目(2013ZB0013)

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Abstract:

Nitrification,namely the oxidation of ammonia to nitrite via nitrate,has been suggested to be a key partof the global biogeochemical nitrogen cycle.The cultivation of pure isolates and enrichments of ammonia- oxidizingarchaea (AOA) as well as the discovery of archaeal amo gene in different kinds of environments has proved thecontribution of AOA to the nitrification in the earth.Especially,the abundance of archaeal amo in most environ-ments is higher than that of bacterial amo,and the affinity of AOA to ammonia nitrogen is higher than that of AOB.All these suggest that AOA might predominately contribute to the global nitrification.This paper gives an overviewof the sources and genomic information of pure AOA cultures and enrichments,the AOA taxa based on phylogeneticanalysis,the importance of ammonia oxidation to the environment and the discovery of AOA denitrification.It alsoproposes several research prospects in the future.

Key words: ammonia- oxidizing archaea, pure culture, enrichment, ammonia oxidation, denitrification, researchprogress