Anaerobic Methane Oxidation in Enrichment Cultures from Deep Sediments of a Mud Volcano Peschanka (South Baikal)
- Authors: Lomakina A.V.1, Mamaeva E.V.1, Pogodaeva T.V.1, Kalmychkov G.V.2, Khal’zov I.A.1, Zemskaya T.I.1
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Affiliations:
- Limnological Institute, Siberian Branch
- Vinogradov Institute of Geochemistry, Siberian Branch
- Issue: Vol 87, No 3 (2018)
- Pages: 317-325
- Section: Experimental Articles
- URL: https://journals.rcsi.science/0026-2617/article/view/163491
- DOI: https://doi.org/10.1134/S0026261718030049
- ID: 163491
Cite item
Abstract
Under laboratory conditions, the microbial communities of bottom sediments of a mud volcano Peschanka (Lake Baikal) were found to carry out anaerobic methane oxidation (AOM). After 16 days of anaerobic cultivation of the enrichment cultures, methane content in the gas phase decreased, and microbial consortia were established. The content of carbon, nitrogen, and oxygen determined by energy dispersive X-ray spectroscopy (EDS) was higher than in the nearby sediment particles. The presence of bacteria of the NC10 phylum and archaea of the ANME-2d cluster was established by fluorescent in situ hybridization (FISH).
About the authors
A. V. Lomakina
Limnological Institute, Siberian Branch
Author for correspondence.
Email: lomakina@lin.irk.ru
Russian Federation, Irkutsk
E. V. Mamaeva
Limnological Institute, Siberian Branch
Email: lomakina@lin.irk.ru
Russian Federation, Irkutsk
T. V. Pogodaeva
Limnological Institute, Siberian Branch
Email: lomakina@lin.irk.ru
Russian Federation, Irkutsk
G. V. Kalmychkov
Vinogradov Institute of Geochemistry, Siberian Branch
Email: lomakina@lin.irk.ru
Russian Federation, Irkutsk
I. A. Khal’zov
Limnological Institute, Siberian Branch
Email: lomakina@lin.irk.ru
Russian Federation, Irkutsk
T. I. Zemskaya
Limnological Institute, Siberian Branch
Email: lomakina@lin.irk.ru
Russian Federation, Irkutsk
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