Methane as a resource: can the methanotrophs add value?

Strong, P. J., Xie, S. and Clarke, W. P. (2015) Methane as a resource: can the methanotrophs add value?. Environmental Science and Technology, 49 7: 4001-4018. doi:10.1021/es504242n


Author Strong, P. J.
Xie, S.
Clarke, W. P.
Title Methane as a resource: can the methanotrophs add value?
Journal name Environmental Science and Technology   Check publisher's open access policy
ISSN 1520-5851
0013-936X
Publication date 2015-04-07
Sub-type Critical review of research, literature review, critical commentary
DOI 10.1021/es504242n
Volume 49
Issue 7
Start page 4001
End page 4018
Total pages 18
Place of publication Washington, DC, United States
Publisher American Chemical Society
Collection year 2016
Language eng
Formatted abstract
Methane is an abundant gas used in energy recovery systems, heating, and transport. Methanotrophs are bacteria capable of using methane as their sole carbon source. Although intensively researched, the myriad of potential biotechnological applications of methanotrophic bacteria has not been comprehensively discussed in a single review. Methanotrophs can generate single-cell protein, biopolymers, components for nanotechnology applications (surface layers), soluble metabolites (methanol, formaldehyde, organic acids, and ectoine), lipids (biodiesel and health supplements), growth media, and vitamin B12 using methane as their carbon source. They may be genetically engineered to produce new compounds such as carotenoids or farnesene. Some enzymes (dehydrogenases, oxidase, and catalase) are valuable products with high conversion efficiencies and can generate methanol or sequester CO2 as formic acid ex vivo. Live cultures can be used for bioremediation, chemical transformation (propene to propylene oxide), wastewater denitrification, as components of biosensors, or possibly for directly generating electricity. This review demonstrates the potential for methanotrophs and their consortia to generate value while using methane as a carbon source. While there are notable challenges using a low solubility gas as a carbon source, the massive methane resource, and the potential cost savings while sequestering a greenhouse gas, keeps interest piqued in these unique bacteria.
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Critical review of research, literature review, critical commentary
Collections: School of Civil Engineering Publications
School of Chemical Engineering Publications
Official 2016 Collection
 
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Citation counts: TR Web of Science Citation Count  Cited 34 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 39 times in Scopus Article | Citations
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Created: Mon, 23 Mar 2015, 19:58:14 EST by James Strong on behalf of School of Civil Engineering