Identity and diversity of archaeal communities during anaerobic co-digestion of chicken feathers and other animal wastes

Bioresource Technology
Yun XiaCarole Beaulieu

Abstract

Digestion of raw feathers in anaerobic digesters inoculated with adapted swine manure, slaughterhouse sludge or dairy manure was investigated using twelve 42-L anaerobic digesters at 25°C. After 120days 74%, 49% and 40% added feathers were converted to methane in swine manure, dairy manure and slaughterhouse sludge anaerobic digesters respectively. 16S rRNA gene clone library analyses identified twenty-one operational taxonomic units containing clone sequences from 5 genera, 5 families and 2 phyla of members of the Archaea from 158 sequenced clones. Fluorescence insitu hybridization revealed that methanogens from the Methanomicrobiales, Methanosarcinales and Methanobacteriales constituted a major fraction (>78%) of these Archaea. A high correlation was seen between the distribution of functional archaeal groups and the NH(3)-N levels of digester mixed liquors. The compositions of archaeal communities fed different substrates were statistically significantly different (P<0.05).

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Citations

Sep 30, 2015·Biotechnology and Bioengineering·Mustafa Evren ErsahinJules B van Lier
Jun 19, 2012·Bioresource Technology·Fuqing Xu, Yebo Li
Jun 12, 2013·Bioresource Technology·Sebastian Borowski, Laurence Weatherley
Mar 6, 2015·World Journal of Microbiology & Biotechnology·Rakia ChouariAbdelghani Sghir
Jan 18, 2015·Waste Management·Yun XiaDaniel I Massé
Apr 23, 2017·Waste Management·Jianfeng WangRong-Min Wang
Dec 1, 2017·Journal of Molecular Microbiology and Biotechnology·Liliana Pampillón-GonzálezYendi E Navarro-Noya
Jan 28, 2021·Animal Microbiome·Gary R GravesSergei V Drovetski

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