Role of copper and iron in methane oxidation and bacterial biopolymer accumulation

Chidambarampadmavathy, Karthigeyan, Kartikeyan, Obulisamy P., and Heimann, Kirsten (2015) Role of copper and iron in methane oxidation and bacterial biopolymer accumulation. Engineering in Life Sciences, 15. pp. 387-399.

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View at Publisher Website: http://dx.doi.org/10.1002/elsc.201400127
 
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Abstract

The aim of this review was to elucidate the role of copper and iron in regulating methane (CH4) oxidation and subsequent biopolymer (i.e. polyhydroxyalkanoate [PHA]) accumulation in methanotrophic bacteria. Specifically, the review emphasizes the ―copper switch mechanism‖ which alters CH4 oxidizing enzyme activities, i.e. soluble- and particulate-methane monooxygenase, in type II methanotrophic bacteria. Both copper and iron are essential nutrients, and reports demonstrate that addition of either can improve PHA accumulation. However, based on analyses of available data, a major knowledge gap regarding a clear understanding of the interactive effects in regulating methane monooxygenase enzyme activities/gene expressions was identified in this review.

Item ID: 39175
Item Type: Article (Refereed Research - C1)
Keywords: methanotrophs, bioreactor, polyhydroxyalkaonate, copper, iron
ISSN: 1618-2863
Funders: Advanced Manufacturing Cooperative Research Centre (AMCRC)
Projects and Grants: AMCRC 2.3.4
Date Deposited: 29 Jun 2015 00:15
FoR Codes: 06 BIOLOGICAL SCIENCES > 0605 Microbiology > 060504 Microbial Ecology @ 50%
10 TECHNOLOGY > 1002 Environmental Biotechnology > 100203 Bioremediation @ 50%
SEO Codes: 96 ENVIRONMENT > 9603 Climate and Climate Change > 960302 Climate Change Mitigation Strategies @ 70%
82 PLANT PRODUCTION AND PLANT PRIMARY PRODUCTS > 8298 Environmentally Sustainable Plant Production > 829802 Management of Greenhouse Gas Emissions from Plant Production @ 30%
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