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Microbial Consortium with High Cellulolytic Activity (MCHCA) for Enhanced Biogas Production

Overview of attention for article published in Frontiers in Microbiology, March 2016
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Title
Microbial Consortium with High Cellulolytic Activity (MCHCA) for Enhanced Biogas Production
Published in
Frontiers in Microbiology, March 2016
DOI 10.3389/fmicb.2016.00324
Pubmed ID
Authors

Krzysztof Poszytek, Martyna Ciezkowska, Aleksandra Sklodowska, Lukasz Drewniak

Abstract

The use of lignocellulosic biomass as a substrate in agricultural biogas plants is very popular and yields good results. However, the efficiency of anaerobic digestion, and thus biogas production, is not always satisfactory due to the slow or incomplete degradation (hydrolysis) of plant matter. To enhance the solubilization of the lignocellulosic biomass various physical, chemical and biological pretreatment methods are used. The aim of this study was to select and characterize cellulose-degrading bacteria, and to construct a microbial consortium, dedicated for degradation of maize silage and enhancing biogas production from this substrate. Over 100 strains of cellulose-degrading bacteria were isolated from: sewage sludge, hydrolyzer from an agricultural biogas plant, cattle slurry and manure. After physiological characterization of the isolates, 16 strains (representatives of Bacillus, Providencia, and Ochrobactrum genera) were chosen for the construction of a Microbial Consortium with High Cellulolytic Activity, called MCHCA. The selected strains had a high endoglucanase activity (exceeding 0.21 IU/mL CMCase activity) and a wide range of tolerance to various physical and chemical conditions. Lab-scale simulation of biogas production using the selected strains for degradation of maize silage was carried out in a two-bioreactor system, similar to those used in agricultural biogas plants. The obtained results showed that the constructed MCHCA consortium is capable of efficient hydrolysis of maize silage, and increases biogas production by even 38%, depending on the inoculum used for methane fermentation. The results in this work indicate that the mesophilic MCHCA has a great potential for application on industrial scale in agricultural biogas plants.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 181 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 1 <1%
Unknown 180 99%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 45 25%
Student > Master 22 12%
Researcher 19 10%
Student > Doctoral Student 10 6%
Student > Bachelor 9 5%
Other 30 17%
Unknown 46 25%
Readers by discipline Count As %
Agricultural and Biological Sciences 28 15%
Environmental Science 25 14%
Biochemistry, Genetics and Molecular Biology 25 14%
Engineering 12 7%
Chemical Engineering 10 6%
Other 21 12%
Unknown 60 33%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. 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 15 March 2016.
All research outputs
#20,315,221
of 22,856,968 outputs
Outputs from Frontiers in Microbiology
#22,462
of 24,866 outputs
Outputs of similar age
#253,212
of 299,392 outputs
Outputs of similar age from Frontiers in Microbiology
#495
of 567 outputs
Altmetric has tracked 22,856,968 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 24,866 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.3. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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 299,392 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 567 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.