April 21, 2020  |  

Complete genome sequence of Janthinobacterium sp. B9-8, a violacein-producing bacterium isolated from low-temperature sewage.

Authors: Xu, Xian and Tian, Liqing and Zhang, Si and Jiang, Ling and Zhang, Zhidong and Huang, He

Janthinobacterium sp. B9-8, isolated from low temperature-sewage in Xinjiang, China, is capable of producing violacein, a promising antibiotic. Here we report the genome sequence of B9-8, which consist of 4,726,850 bp with a G + C content of 48.72%. The violacein biosynthesis gene cluster vioABCDE was identified and analyzed based on the genomic data, which revealed relatively low query coverage (3-44%) and identity (66-87%) with existing strains. Janthinobacterium sp. B9-8 grew fast and reached a high cell density and violacein content within 24?h?at 25?°C. The availability of this genome sequence will greatly benefit the industrial production of violacein and facilitate supplementary studies on the mechanism for violacein biosynthesis. Copyright © 2019 Elsevier Ltd. All rights reserved.

Journal: Microbial pathogenesis
DOI: 10.1016/j.micpath.2019.01.003
Year: 2019

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