Biomass Yield Efficiency of the Marine Anammox Bacterium, “Candidatus Scalindua sp.,” is Affected by Salinity
Microbes and environments Volume 30 Issue 1
Page 86-91
published_at 2015-03-24
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この文献の参照には次のURLをご利用ください : https://ir.lib.hiroshima-u.ac.jp/00041296
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Title ( eng ) |
Biomass Yield Efficiency of the Marine Anammox Bacterium, “Candidatus Scalindua sp.,” is Affected by Salinity
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Creator |
Awata Takanori
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Source Title |
Microbes and environments
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Volume | 30 |
Issue | 1 |
Start Page | 86 |
End Page | 91 |
Abstract |
The growth rate and biomass yield efficiency of anaerobic ammonium oxidation (anammox) bacteria are markedly lower than those of most other autotrophic bacteria. Among the anammox bacterial genera, the growth rate and biomass yield of the marine anammox bacterium “Candidatus Scalindua sp.” is still lower than those of other anammox bacteria enriched from freshwater environments. The activity and growth of marine anammox bacteria are generally considered to be affected by the presence of salinity and organic compounds. Therefore, in the present study, the effects of salinity and volatile fatty acids (VFAs) on the anammox activity, inorganic carbon uptake, and biomass yield efficiency of “Ca. Scalindua sp.” enriched from the marine sediments of Hiroshima Bay, Japan, were investigated in batch experiments. Differences in VFA concentrations (0–10 mM) were observed under varying salinities (0.5%–4%). Anammox activity was high at 0.5%–3.5% salinity, but was 30% lower at 4% salinity. In addition, carbon uptake was higher at 1.5%–3.5% salinity. The results of the present study clearly demonstrated that the biomass yield efficiency of the marine anammox bacterium “Ca. Scalindua sp.” was significantly affected by salinity. On the other hand, the presence of VFAs up to 10 mM did not affect anammox activity, carbon uptake, or biomass yield efficiency.
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Keywords |
anaerobic ammonium oxidation (anammox)
“Candidatus Scalindua”
biomass yield efficiency
salinity
volatile fatty acids
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Descriptions |
This research was partially supported by a Grant-in-Aid for Scientific Research (C) from the Ministry of Education, Culture, Sports, Science and Technology by the Japan Society for the Promotion of Science (JSPS) Fellows (T. Awata).
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NDC |
Construction. Civil engineering [ 510 ]
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Language |
eng
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Resource Type | journal article |
Publisher |
Japanese Society of Microbical Ecology
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Date of Issued | 2015-03-24 |
Rights |
本文データは学協会の許諾に基づきCiNiiから複製したものである
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Publish Type | Version of Record |
Access Rights | open access |
Source Identifier |
[ISSN] 1342-6311
[NCID] AA11173196
[DOI] 10.1264/jsme2.ME14088
[NAID] 130005061716
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[DOI] http://doi.org/10.1264/jsme2.ME14088
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