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Acta Naturae. 2012 Oct;4(4):91-7.

Methanogenic Community Dynamics during Anaerobic Utilization of Agricultural Wastes.

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1
Kazan (Volga Region) Federal University, Kremlyovskaya Str., 18, Kazan, Russia, 420008.

Abstract

This work is devoted to the investigation of the methanogenic archaea involved in anaerobic digestion of cattle manure and maize straw on the basis of terminal restriction fragment length polymorphism (T-RFLP) analysis of archaeal 16S rRNA genes. The biological diversity and dynamics of methanogenic communities leading to anaerobic degradation of agricultural organic wastes with biogas production were evaluated in laboratory-scale digesters. T-RFLP analysis, along with the establishment of archaeal 16S rRNA gene clone libraries, showed that the methanogenic consortium consisted mainly of members of the generaMethanosarcinaandMethanoculleus,with a predominance ofMethanosarcinaspp. throughout the experiment.

PMID:
23346384
PMCID:
PMC3548177
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