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Enrichment of a microbial community performing anaerobic oxidation of methane in a continuous high-pressure bioreactor

Yu Zhang UGent, Loïs Maignien UGent, Xianxian Zhao, Fengping Wang and Nico Boon UGent (2011) BMC MICROBIOLOGY. 11.
abstract
Background: Anaerobic oxidation of methane coupled to sulphate reduction (SR-AOM) prevents more than 90% of the oceanic methane emission to the atmosphere. In a previous study, we demonstrated that the high methane pressure (1, 4.5, and 8 MPa) stimulated in vitro SR-AOM activity. However, the information on the effect of high-pressure on the microbial community structure and architecture was still lacking. Results: In this study we analysed the long-term enrichment (286 days) of this microbial community, which was mediating SR-AOM in a continuous high-pressure bioreactor. 99.7% of the total biovolume represented cells in the form of small aggregates (diameter less then 15 mu m). An increase of the total biovolume was observed (2.5 times). After 286 days, the ANME-2 (anaerobic methanotrophic archaea subgroup 2) and SRB (sulphate reducing bacteria) increased with a factor 12.5 and 8.4, respectively. Conclusion: This paper reports a net biomass growth of communities involved in SR-AOM, incubated at high-pressure.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
MARINE-SEDIMENTS, METHANOTROPHIC ARCHAEA, DIVERSITY, ABUNDANCE, GROWTH, IDENTIFICATION, MOSBY MUD VOLCANO, CONTINUOUS-FLOW BIOREACTOR, SULFATE-REDUCING BACTERIA, OXIDIZING ARCHAEA
journal title
BMC MICROBIOLOGY
BMC Microbiol.
volume
11
article_number
137
pages
8 pages
Web of Science type
Article
Web of Science id
000293012300001
JCR category
MICROBIOLOGY
JCR impact factor
3.044 (2011)
JCR rank
43/111 (2011)
JCR quartile
2 (2011)
ISSN
1471-2180
DOI
10.1186/1471-2180-11-137
language
English
UGent publication?
yes
classification
A1
copyright statement
I have retained and own the full copyright for this publication
id
1888428
handle
http://hdl.handle.net/1854/LU-1888428
date created
2011-08-12 15:37:16
date last changed
2011-08-17 15:48:58
@article{1888428,
  abstract     = {Background: Anaerobic oxidation of methane coupled to sulphate reduction (SR-AOM) prevents more than 90\% of the oceanic methane emission to the atmosphere. In a previous study, we demonstrated that the high methane pressure (1, 4.5, and 8 MPa) stimulated in vitro SR-AOM activity. However, the information on the effect of high-pressure on the microbial community structure and architecture was still lacking. 
Results: In this study we analysed the long-term enrichment (286 days) of this microbial community, which was mediating SR-AOM in a continuous high-pressure bioreactor. 99.7\% of the total biovolume represented cells in the form of small aggregates (diameter less then 15 mu m). An increase of the total biovolume was observed (2.5 times). After 286 days, the ANME-2 (anaerobic methanotrophic archaea subgroup 2) and SRB (sulphate reducing bacteria) increased with a factor 12.5 and 8.4, respectively. 
Conclusion: This paper reports a net biomass growth of communities involved in SR-AOM, incubated at high-pressure.},
  articleno    = {137},
  author       = {Zhang, Yu and Maignien, Lo{\"i}s and Zhao, Xianxian and Wang, Fengping and Boon, Nico},
  issn         = {1471-2180},
  journal      = {BMC MICROBIOLOGY},
  keyword      = {MARINE-SEDIMENTS,METHANOTROPHIC ARCHAEA,DIVERSITY,ABUNDANCE,GROWTH,IDENTIFICATION,MOSBY MUD VOLCANO,CONTINUOUS-FLOW BIOREACTOR,SULFATE-REDUCING BACTERIA,OXIDIZING ARCHAEA},
  language     = {eng},
  pages        = {8},
  title        = {Enrichment of a microbial community performing anaerobic oxidation of methane in a continuous high-pressure bioreactor},
  url          = {http://dx.doi.org/10.1186/1471-2180-11-137},
  volume       = {11},
  year         = {2011},
}

Chicago
Zhang, Yu, Loïs Maignien, Xianxian Zhao, Fengping Wang, and Nico Boon. 2011. “Enrichment of a Microbial Community Performing Anaerobic Oxidation of Methane in a Continuous High-pressure Bioreactor.” Bmc Microbiology 11.
APA
Zhang, Yu, Maignien, L., Zhao, X., Wang, F., & Boon, N. (2011). Enrichment of a microbial community performing anaerobic oxidation of methane in a continuous high-pressure bioreactor. BMC MICROBIOLOGY, 11.
Vancouver
1.
Zhang Y, Maignien L, Zhao X, Wang F, Boon N. Enrichment of a microbial community performing anaerobic oxidation of methane in a continuous high-pressure bioreactor. BMC MICROBIOLOGY. 2011;11.
MLA
Zhang, Yu, Loïs Maignien, Xianxian Zhao, et al. “Enrichment of a Microbial Community Performing Anaerobic Oxidation of Methane in a Continuous High-pressure Bioreactor.” BMC MICROBIOLOGY 11 (2011): n. pag. Print.