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[Minireivew]Microbial consortia including methanotrophs: some benefits of living together
Rajendra Singh 1, Jaewon Ryu 2, Si Wouk Kim 1,2
Journal of Microbiology 2019;57(11):939-952.
DOI: https://doi.org/10.1007/s12275-019-9328-8
Published online: October 28, 2019
1Department of Environmental Engineering, Chosun University, Gwangju 61452, Republic of Korea, 2Department of Energy Convergence, Chosun University, Gwangju 61452, Republic of Korea1Department of Environmental Engineering, Chosun University, Gwangju 61452, Republic of Korea, 2Department of Energy Convergence, Chosun University, Gwangju 61452, Republic of Korea
Corresponding author:  Si Wouk Kim , Tel: +82-62-230-6649, 
Received: 1 July 2019   • Revised: 30 August 2019   • Accepted: 25 September 2019
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Abstract

With the progress of biotechnological research and improvements made in bioprocessing with pure cultures, microbial consortia have gained recognition for accomplishing biological processes with improved effectiveness. Microbes are indispensable tool in developing bioprocesses for the production of bioenergy and biochemicals while utilizing renewable resources due to technical, economic and environmental advantages. They communicate with specific cohorts in close proximity to promote metabolic cooperation. Use of positive microbial associations has been recognized widely, especially in food industries and bioremediation of toxic compounds and waste materials. Role of microbial associations in developing sustainable energy sources and substitutes for conventional fuels is highly promising with many commercial prospects. Detoxification of chemical contaminants sourced from domestic, agricultural and industrial wastes has also been achieved through microbial catalysis in pure and co-culture systems. Methanotrophs, the sole biological sink of greenhouse gas methane, catalyze the methane monooxygenasemediated oxidation of methane to methanol, a high energy density liquid and key platform chemical to produce commodity chemical compounds and their derivatives. Constructed microbial consortia have positive effects, such as improved biomass, biocatalytic potential, stability etc. In a methanotroph- heterotroph consortium, non-methanotrophs provide key nutrient factors and alleviate the toxicity from the culture. Non-methanotrophic organisms biologically stimulate the growth and activity of methanotrophs via production of growth stimulators. However, methanotrophs in association with cocultured microorganisms are in need of further exploration and thorough investigation to study their interaction mode and application with improved effectiveness.

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    [Minireivew]Microbial consortia including methanotrophs: some benefits of living together
    J. Microbiol. 2019;57(11):939-952.   Published online October 28, 2019
    DOI: https://doi.org/10.1007/s12275-019-9328-8
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