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Applied Microbiology and Biotechnology

, Volume 100, Issue 23, pp 9845–9860 | Cite as

Current advances in molecular methods for detection of nitrite-dependent anaerobic methane oxidizing bacteria in natural environments

  • Jing Chen
  • Richard Dick
  • Jih-Gaw Lin
  • Ji-Dong GuEmail author
Mini-Review

Abstract

Nitrite-dependent anaerobic methane oxidation (n-damo) process uniquely links microbial nitrogen and carbon cycles. Research on n-damo bacteria progresses quickly with experimental evidences through enrichment cultures. Polymerase chain reaction (PCR)-based methods for detecting them in various natural ecosystems and engineered systems play a very important role in the discovery of their distribution, abundance, and biodiversity in the ecosystems. Important characteristics of n-damo enrichments were obtained and their key significance in microbial nitrogen and carbon cycles was investigated. The molecular methods currently used in detecting n-damo bacteria were comprehensively reviewed and discussed for their strengths and limitations in applications with a wide range of samples. The pmoA gene-based PCR primers for n-damo bacterial detection were evaluated and, in particular, several incorrectly stated PCR primer nucleotide sequences in the published papers were also pointed out to allow correct applications of the PCR primers in current and future investigations. Furthermore, this review also offers the future perspectives of n-damo bacteria based on current information and methods available for a better acquisition of new knowledge about this group of bacteria.

Keywords

N-damo Anaerobic methane oxidation Denitrification Methylomirabilis oxyfera-like bacteria Molecular detection PCR primer pmoA gene 

Notes

Acknowledgments

This project was supported by Hong Kong PhD Fellowship (JC) and RGC GRF grant no. 701913 (J-DG). Additional financial support for this research project was from the laboratory fund.

Compliance with ethical standards

Funding

This study was funded by RGC GRF grant no. 701913 (J-DG) and a Hong Kong PhD Fellowship (JC).

Conflict of interest

All authors declare that they have no conflict of interest.

Ethical approval

This article does not contain any studies with human participants or animals performed by any of the authors.

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© Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  1. 1.Laboratory of Environmental Microbiology and Toxicology, School of Biological Sciences, Faculty of ScienceThe University of Hong KongHong KongPeople’s Republic of China
  2. 2.School of Life SciencesUniversity of WarwickCoventryUK
  3. 3.School of Environment and Natural Resources, College of Food, Agricultural, and Environmental SciencesThe Ohio State UniversityColumbusUSA
  4. 4.Institute of Environmental EngineeringNational Chiao Tung UniversityHsinchuTaiwan

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