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Debromination of Hexabromocyclododecane by Anaerobic Consortium and Characterization of Functional Bacteria

Overview of attention for article published in Frontiers in Microbiology, July 2018
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Title
Debromination of Hexabromocyclododecane by Anaerobic Consortium and Characterization of Functional Bacteria
Published in
Frontiers in Microbiology, July 2018
DOI 10.3389/fmicb.2018.01515
Pubmed ID
Authors

Xingxing Peng, Dongyang Wei, Qiyuan Huang, Xiaoshan Jia

Abstract

A microbial consortium which can efficiently remove hexabromocyclododecane (HBCD) under anaerobic condition have been successfully enriched over 300 days. Under the optimal conditions, the degradation efficiency was 92.4% removal after treatment of 12 days with original addition of 500 μg/L HBCD, yielding 321.7 μg/L bromide in total as well. A typical debromination product, dibromocyclododecadiene (DBCD), was detected during the degradation process. The debromination profiles of three main HBCD diastereomers fitted well with first-order model (R2: 0.96-0.99), with the rate constants ranging from 1.3 × 10-1 to 1.9 × 10-1. The microbial community analysis by high throughput sequencing showed that the composition of the microbial communities varied dynamically with time and the population of functional bacteria increase sharply after enrichment. The population of Bacteroidetes increased from 5 to 47%. And some bacteria which are relatively minority in population at the beginning, such as Azospira oryzae (OTU2), Microbacterium (OTU13), and Achromobacter insolitus (OTU39) increased more than 22 times after enrichment (from 0.5 to 13%, 12%, and 11%, respectively). However, no reported dehalogenating bacteria were found after enrichment. And the contribution for debromination may come from new dehalogenating bacteria. All in all, the present study provided in-depth information on anaerobic microbial communities for HBCD removal by debromination.

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Mendeley readers

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Geographical breakdown

Country Count As %
Unknown 11 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 3 27%
Researcher 3 27%
Student > Postgraduate 1 9%
Student > Master 1 9%
Unknown 3 27%
Readers by discipline Count As %
Chemistry 2 18%
Environmental Science 1 9%
Agricultural and Biological Sciences 1 9%
Nursing and Health Professions 1 9%
Unknown 6 55%
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 10 July 2018.
All research outputs
#20,525,274
of 23,094,276 outputs
Outputs from Frontiers in Microbiology
#22,851
of 25,264 outputs
Outputs of similar age
#285,871
of 326,353 outputs
Outputs of similar age from Frontiers in Microbiology
#636
of 746 outputs
Altmetric has tracked 23,094,276 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 25,264 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.4. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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We're also able to compare this research output to 746 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.