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Article: Genomic resolution of bacterial populations in saccharin and cyclamate degradation

TitleGenomic resolution of bacterial populations in saccharin and cyclamate degradation
Authors
KeywordsArtificial sweetener
Enrichment
Biodegradation
UPLC-MS/MS
Metagenomics
Genome
Issue Date2019
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/scitotenv
Citation
Science of the Total Environment, 2019, v. 658, p. 357-366 How to Cite?
AbstractThe benefits of extensive artificial sweeteners use come at a cost of their ubiquitous occurrence in the aquatic environment. Biodegradation is crucial for the removal of artificial sweeteners in the environment, yet comprehensive characterizations of the degradation consortia that degrade these compounds have not been initiated. Here, we performed metagenomic analysis of microbial communities fulfilling complete mineralization of two typical artificial sweeteners, i.e. saccharin and cyclamate. Genome-resolved metagenomics enabled the recovery and metabolic characterization of total 23 population genomes from 8 phyla in the two consortia, most of which represented novel species. The saccharin-degrading consortia was notably dominated by a betaproteobacterial genome from the family Rhodocyclaceae, accounting for 15.5% of total sequences. For the cyclamate enrichment, 28.1% of the total sequences were assigned to three similarly abundant Alphaproteobacteria population genomes belonging to the family Sphingomonadaceae and Methylobacteriaceae. The metabolic potential of these population genomes were examined to potentially identify the roles of these populations in biodegradation of artificial sweeteners, and focusing on the energy and nutrient metabolisms.
Persistent Identifierhttp://hdl.handle.net/10722/272152
ISSN
2020 Impact Factor: 7.963
2015 SCImago Journal Rankings: 1.702
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorDeng, Y-
dc.contributor.authorWang, Y-
dc.contributor.authorXia, Y-
dc.contributor.authorZhang, AN-
dc.contributor.authorZhao, Y-
dc.contributor.authorZhang, T-
dc.date.accessioned2019-07-20T10:36:41Z-
dc.date.available2019-07-20T10:36:41Z-
dc.date.issued2019-
dc.identifier.citationScience of the Total Environment, 2019, v. 658, p. 357-366-
dc.identifier.issn0048-9697-
dc.identifier.urihttp://hdl.handle.net/10722/272152-
dc.description.abstractThe benefits of extensive artificial sweeteners use come at a cost of their ubiquitous occurrence in the aquatic environment. Biodegradation is crucial for the removal of artificial sweeteners in the environment, yet comprehensive characterizations of the degradation consortia that degrade these compounds have not been initiated. Here, we performed metagenomic analysis of microbial communities fulfilling complete mineralization of two typical artificial sweeteners, i.e. saccharin and cyclamate. Genome-resolved metagenomics enabled the recovery and metabolic characterization of total 23 population genomes from 8 phyla in the two consortia, most of which represented novel species. The saccharin-degrading consortia was notably dominated by a betaproteobacterial genome from the family Rhodocyclaceae, accounting for 15.5% of total sequences. For the cyclamate enrichment, 28.1% of the total sequences were assigned to three similarly abundant Alphaproteobacteria population genomes belonging to the family Sphingomonadaceae and Methylobacteriaceae. The metabolic potential of these population genomes were examined to potentially identify the roles of these populations in biodegradation of artificial sweeteners, and focusing on the energy and nutrient metabolisms.-
dc.languageeng-
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/scitotenv-
dc.relation.ispartofScience of the Total Environment-
dc.subjectArtificial sweetener-
dc.subjectEnrichment-
dc.subjectBiodegradation-
dc.subjectUPLC-MS/MS-
dc.subjectMetagenomics-
dc.subjectGenome-
dc.titleGenomic resolution of bacterial populations in saccharin and cyclamate degradation-
dc.typeArticle-
dc.identifier.emailDeng, Y: dengyu@hku.hk-
dc.identifier.emailZhang, T: zhangt@hkucc.hku.hk-
dc.identifier.authorityZhang, T=rp00211-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.scitotenv.2018.12.162-
dc.identifier.pmid30579193-
dc.identifier.scopuseid_2-s2.0-85058634703-
dc.identifier.hkuros299349-
dc.identifier.hkuros319413-
dc.identifier.volume658-
dc.identifier.spage357-
dc.identifier.epage366-
dc.identifier.isiWOS:000456175700035-
dc.publisher.placeNetherlands-
dc.identifier.issnl0048-9697-

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