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American Society for Microbiology, Applied and Environmental Microbiology, 8(78), p. 3014-3019, 2012

DOI: 10.1128/aem.07949-11

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Emission of Methane by Eudrilus eugeniae and Other Earthworms from Brazil

Journal article published in 2012 by Peter S. Depkat-Jakob, Sindy Hunger, Kristin Schulz, George G. Brown ORCID, Siu M. Tsai, Harold L. Drake
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

ABSTRACT Earthworms emit denitrification-derived nitrous oxide and fermentation-derived molecular hydrogen. The present study demonstrated that the earthworm Eudrilus eugeniae , obtained in Brazil, emitted methane. Other worms displayed a lesser or no capacity to emit methane. Gene and transcript analyses of mcrA (encoding the alpha subunit of methyl-CoM reductase) in gut contents of E. eugeniae suggested that Methanosarcinaceae , Methanobacteriaceae , and Methanomicrobiaceae might be associated with this emission.