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Marker microbiome clusters are determined by operational parameters and specific key taxa combinations in anaerobic digestion

Susanne Theuerl, Johanna Klang, Monika Heiermann and Jo De Vrieze (UGent)
(2018) BIORESOURCE TECHNOLOGY. 263. p.128-135
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Abstract
In this study, microbiomes of 36 full-scale anaerobic digesters originated from 22 different biogas plants were compared by terminal restriction fragment length polymorphism (TRFLP) analysis. Regarding the differences in microbial community composition, a weighting of the environmental parameters could be derived from higher to lower importance as follows: (i) temperature, (ii) TAN and NH3 concentrations and conductivity, and (iii) the chemical composition of the supplied feedstocks. Biotic interactions between specific bacterial and archaeal community arrangements were revealed, whereby members of the phyla Bacteroidetes and Cloacimonetes combined with the archaeal genus Methanothrix dominated the conversion of homogeneous feedstocks, such as waste water sludge or industrial waste. As most of the detected TRFs were only found in a certain number of anaerobic digestion plants, each plant develops its unique microbiome. The putative rare species, the specialists, are potentially hidden drivers of microbiome functioning as they provide necessary traits under, e.g., process-inconvenient conditions.
Keywords
Biogas, Operational parameters, TRFLP, Microbiome cluster, Specific key taxa combination, BACTERIAL CANDIDATE DIVISION, COMMUNITY STRUCTURE, BIOGAS PRODUCTION, AMMONIA, INHIBITION, MANURE, BIODEGRADABILITY, FERMENTATION, OPTIMIZATION, PERSPECTIVES

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Chicago
Theuerl, Susanne, Johanna Klang, Monika Heiermann, and Jo De Vrieze. 2018. “Marker Microbiome Clusters Are Determined by Operational Parameters and Specific Key Taxa Combinations in Anaerobic Digestion.” Bioresource Technology 263: 128–135.
APA
Theuerl, S., Klang, J., Heiermann, M., & De Vrieze, J. (2018). Marker microbiome clusters are determined by operational parameters and specific key taxa combinations in anaerobic digestion. BIORESOURCE TECHNOLOGY, 263, 128–135.
Vancouver
1.
Theuerl S, Klang J, Heiermann M, De Vrieze J. Marker microbiome clusters are determined by operational parameters and specific key taxa combinations in anaerobic digestion. BIORESOURCE TECHNOLOGY. 2018;263:128–35.
MLA
Theuerl, Susanne, Johanna Klang, Monika Heiermann, et al. “Marker Microbiome Clusters Are Determined by Operational Parameters and Specific Key Taxa Combinations in Anaerobic Digestion.” BIORESOURCE TECHNOLOGY 263 (2018): 128–135. Print.
@article{8579667,
  abstract     = {In this study, microbiomes of 36 full-scale anaerobic digesters originated from 22 different biogas plants were compared by terminal restriction fragment length polymorphism (TRFLP) analysis. 
Regarding the differences in microbial community composition, a weighting of the environmental parameters could be derived from higher to lower importance as follows: (i) temperature, (ii) TAN and NH3 concentrations and conductivity, and (iii) the chemical composition of the supplied feedstocks. 
Biotic interactions between specific bacterial and archaeal community arrangements were revealed, whereby members of the phyla Bacteroidetes and Cloacimonetes combined with the archaeal genus Methanothrix dominated the conversion of homogeneous feedstocks, such as waste water sludge or industrial waste. 
As most of the detected TRFs were only found in a certain number of anaerobic digestion plants, each plant develops its unique microbiome. The putative rare species, the specialists, are potentially hidden drivers of microbiome functioning as they provide necessary traits under, e.g., process-inconvenient conditions.},
  author       = {Theuerl, Susanne and Klang, Johanna and Heiermann, Monika and De Vrieze, Jo},
  issn         = {0960-8524},
  journal      = {BIORESOURCE TECHNOLOGY},
  language     = {eng},
  pages        = {128--135},
  title        = {Marker microbiome clusters are determined by operational parameters and specific key taxa combinations in anaerobic digestion},
  url          = {http://dx.doi.org/10.1016/j.biortech.2018.04.111},
  volume       = {263},
  year         = {2018},
}
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