期刊
FRONTIERS IN MICROBIOLOGY
卷 6, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fmicb.2015.00463
关键词
plasmidome; circular plasmid; linear plasmid; extrachromosomal DNA; episome; metagenomics
类别
资金
- Alexander von Humboldt Foundation
- Deutsche Forschungsgemeinschaft
- Open Access Publication Fund of University of Muenster
The term plasmid was originally coined for circular, extrachromosomal genetic elements. Today, plasmids are widely recognized not only as important factors facilitating genome restructuring but also as vehicles for the dissemination of beneficial characters within bacterial communities. Plasmid diversity has been uncovered by means of culture-dependent or -independent approaches, such as endogenous or exogenous plasmid isolation as well as PCR-based detection or transposon-aided capture, respectively. High-throughput-sequencing made possible to cover total plasmid populations in a given environment, i.e., the plasmidome, and allowed to address the quality and significance of self-replicating genetic elements. Since such efforts were and still are rather restricted to circular molecules, here we put equal emphasis on the linear plasmids which despite their frequent occurrence in a large number of bacteria are largely neglected in prevalent plasm idome conceptions.
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