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Factors Affecting the Methanogenic Activity of Methanothrix soehngenii VNBF

Fathepure, Babu Z (1987) Factors Affecting the Methanogenic Activity of Methanothrix soehngenii VNBF. In: Applied and Environmental Microbiology, 53 (12). pp. 2978-2982.

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Methane production by Methanothrix soehngenii VNBF grown on acetate (50 mM) as the sole carbon and energy source was influenced by the addition of Fe, trace elements, and pesticides. The addition of Fe and trace elements significantly enhanced the rate of $CH_4$ production. The addition of pesticides in the early growth phase caused complete inhibition. However, less inhibition was noted when pesticides were added during early exponential growth phase. Addition to culture tubes of Co, Ni, or Mo at 2 \mu M produced 64, 41, or 17%, respectively, more $CH_4$ than that produced in tubes lacking the corresponding trace element. A concentration of >5 \mu M of these trace elements in the medium resulted in decreased $CH_4$ production, presumably because of toxic effects.

Item Type: Journal Article
Publication: Applied and Environmental Microbiology
Publisher: American Society for Microbiology
Additional Information: Copyright of this article belongs to American Society for Microbiology.
Department/Centre: Division of Biological Sciences > Microbiology & Cell Biology
Date Deposited: 17 Mar 2008
Last Modified: 19 Sep 2010 04:43
URI: http://eprints.iisc.ac.in/id/eprint/13216

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