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Metagenome from a Spirulina digesting biogas reactor: analysis via binning of contigs and classification of short reads

Overview of attention for article published in BMC Microbiology, December 2015
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Title
Metagenome from a Spirulina digesting biogas reactor: analysis via binning of contigs and classification of short reads
Published in
BMC Microbiology, December 2015
DOI 10.1186/s12866-015-0615-1
Pubmed ID
Authors

Vimac Nolla-Ardèvol, Miriam Peces, Marc Strous, Halina E. Tegetmeyer

Abstract

Anaerobic digestion is a biological process in which a consortium of microorganisms transforms a complex substrate into methane and carbon dioxide. A good understanding of the interactions between the populations that form this consortium can contribute to a successful anaerobic digestion of the substrate. In this study we combine the analysis of the biogas production in a laboratory anaerobic digester fed with the microalgae Spirulina, a protein rich substrate, with the analysis of the metagenome of the consortium responsible for digestion, obtained by high-throughput DNA sequencing. The obtained metagenome was also compared with a metagenome from a full scale biogas plant fed with cellulose rich material. The optimal organic loading rate for the anaerobic digestion of Spirulina was determined to be 4.0 g Spirulina L(-1) day(-1) with a specific biogas production of 350 mL biogas g Spirulina (-1) with a methane content of 68 %. Firmicutes dominated the microbial consortium at 38 % abundance followed by Bacteroidetes, Chloroflexi and Thermotogae. Euryarchaeota represented 3.5 % of the total abundance. The most abundant organism (14.9 %) was related to Tissierella, a bacterium known to use proteinaceous substrates for growth. Methanomicrobiales and Methanosarcinales dominated the archaeal community. Compared to the full scale cellulose-fed digesters, Pfam domains related to protein degradation were more frequently detected and Pfam domains related to cellulose degradation were less frequent in our sample. The results presented in this study suggest that Spirulina is a suitable substrate for the production of biogas. The proteinaceous substrate appeared to have a selective impact on the bacterial community that performed anaerobic digestion. A direct influence of the substrate on the selection of specific methanogenic populations was not observed.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 56 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
India 1 2%
Germany 1 2%
Unknown 54 96%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 14 25%
Researcher 10 18%
Student > Master 5 9%
Student > Bachelor 4 7%
Other 3 5%
Other 7 13%
Unknown 13 23%
Readers by discipline Count As %
Agricultural and Biological Sciences 13 23%
Environmental Science 9 16%
Biochemistry, Genetics and Molecular Biology 6 11%
Computer Science 2 4%
Immunology and Microbiology 2 4%
Other 10 18%
Unknown 14 25%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 30 July 2016.
All research outputs
#14,392,043
of 23,498,099 outputs
Outputs from BMC Microbiology
#1,379
of 3,256 outputs
Outputs of similar age
#187,981
of 366,029 outputs
Outputs of similar age from BMC Microbiology
#12
of 37 outputs
Altmetric has tracked 23,498,099 research outputs across all sources so far. This one is in the 37th percentile – i.e., 37% of other outputs scored the same or lower than it.
So far Altmetric has tracked 3,256 research outputs from this source. They receive a mean Attention Score of 4.2. This one has gotten more attention than average, scoring higher than 54% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 366,029 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 47th percentile – i.e., 47% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 37 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 64% of its contemporaries.