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Title 

Complete genome sequence of Bacillus oceanisediminis 2691, a reservoir of heavy-metal resistance genes

Authors 

Jaejoon JungHaeyoung JeongHyun Ju KimD W LeeSang Jun Lee

Publisher 

Elsevier

Issue Date 

2016

Citation 

Marine Genomics, vol. 30, no. 0, pp. 73-76

Keywords 

Bacillus oceanisediminiscadCHeavy metalSedimentTranscriptional regulator

Abstract 

Ocean sediments are commonly subject to the pollution of various heavy metals. Intracellular heavy metal concentrations in marine microorganisms should be kept within allowable concentrations. Here, we report redundant heavy metal resistance related genes encoding heavy metal-sensing transcriptional regulators (i.e. cadC), heavy metal efflux pumps, and detoxifying enzymes in the complete genome sequence of Bacillus oceanisediminis 2691. By comparing CadC sequences of strain 2691 with those from other bacterial genomes, we demonstrated that each cadC gene located in the chromosome or plasmid of 2691 cells are similar to those of various near or distant microbes, which might shed light on evolutionary trajectories of redundant heavy metal resistance genes. In application aspects, these diverse heavy metal sensing genes can be harnessed as synthetic biological parts, modules, and devices for the development of heavy metal-specific biosensors. Heavy metal bioremediation technologies or platform cells can be also developed based on the marine genomic information of heavy metal resistance and/or detoxification genes in a bacterial isolate from ocean sediments

ISSN 

1874-7787

Link 

http://dx.doi.org/10.1016/j.margen.2016.07.002

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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