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|a 10.1016/j.wasman.2019.04.028
|2 doi
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|a pubmed25n0989.xml
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|a (PII)S0956-053X(19)30241-7
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|a DE-627
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|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a López, Juan C
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Ammonium influences kinetics and structure of methanotrophic consortia
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 12.09.2019
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|a Date Revised 12.09.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2019 Elsevier Ltd. All rights reserved.
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|a The literature is conflicted on the influence of ammonium on the kinetics and microbial ecology of methanotrophy. In this study, methanotrophic cultures were enriched, under ammonium concentrations ranging from 0 to 200 mM, from an inoculum comprising leachate and top-cover soil from a landfill. Specific CH4 biodegradation rates were highest (7.8 × 10-4 ± 6.0 × 10-5 gCH4 gX-1 h-1) in cultures enriched at 4 mM NH4+, which were mainly dominated by type II methanotrophs belonging to Methylocystis spp. Lower specific CH4 oxidation rates (average values of 1.8-3.6 × 10-4 gCH4 gX-1 h-1) were achieved by cultures enriched at higher NH4+ concentrations (20 and 80 mM), and had higher affinity for CH4 compared to 4 mM enrichments. These lower affinities were attributed to lower diversity dominated by type I methanotrophs, of the Methylosarcina, Methylobacter and Methylomicrobium genera, encountered with increasing concentrations of NH4+. The study indicates that CH4 oxidation biotechnologies applied at low NH4+ concentrations can support efficient abatement of CH4 and high diversity of methanotrophic consortia, whilst enriching type II methanotrophs
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|a Journal Article
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|a Ammonium
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|a Methane biodegradation kinetics
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|a Methanotrophs
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|a Methanotrophy
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|a Microbial diversity
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|a Nitrification
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| 650 |
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|a Ammonium Compounds
|2 NLM
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|a Methane
|2 NLM
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| 650 |
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|a OP0UW79H66
|2 NLM
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| 700 |
1 |
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|a Porca, Estefanía
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Collins, Gavin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Clifford, Eoghan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Quijano, Guillermo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Muñoz, Raúl
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 89(2019) vom: 15. Apr., Seite 345-353
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnas
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| 773 |
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|g volume:89
|g year:2019
|g day:15
|g month:04
|g pages:345-353
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|u http://dx.doi.org/10.1016/j.wasman.2019.04.028
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