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High-quality draft genome sequence of Pseudomonas aeruginosa san ai, an environmental isolate resistant to heavy metals

Authorized Users Only
2019
Authors
Izrael‑Živković, Lidija
Beškoski, Vladimir
Rikalović, Milena
Kazazić, Snježana
Shapiro, Nicole
Woyke, Tanja
Gojgić-Cvijović, Gordana
Vrvić, Miroslav
Maksimović, Nela
Karadžić, Ivanka
Article (Published version)
,
Springer
Metadata
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Abstract
The strain Pseudomonas aeruginosa san ai, isolated from an extreme environment (industrial mineral cutting oil, pH 10), is able to survive and persist in the presence of a variety of pollutants such as heavy metals and organic chemicals. The genome of P. aeruginosa san ai is 6.98 Mbp long with a GC content of 66.08% and 6485 protein encoding genes. A large number of genes associated with proteins, responsible for microbial resistance to heavy metal ions andinvolved in catabolism of toxic aromatic organic compounds were identified. P.aeruginosa san ai is a highly cadmium-resistant strain. Proteome analysis of biomass after cadmium exposal confirmed a high tolerance to sublethal concentrations of cadmium (100mg/L), based on: extracellular biosorption, bioaccumulation, biofilm formation, controlled siderophore production and a pronounced metalloprotein synthesis. Proteins responsible for survival in osmostress conditions during exposure to elevated concentrations of cadmium (200mg/L) demo...nstrate a strong genetic potential of P. aeruginosa san ai for survival and adaptation. Sequencing of P. aeruginosa san ai genome provides valuable insights into the evolution and adaptation of this microbe to environmental extremes at the whole-genome level, as well as how to optimally use the strain in bioremediation of chemically polluted sites.

Keywords:
Pseudomonas aeruginosa / Genome / Environmental isolate / Chemical pollution / Cleaning polluted areas
Source:
Extremophiles, 2019, 23, 4, 399-405
Publisher:
  • Springer
Projects:
  • JGI, CSP741
  • Office of Science of the US Department of Energy, DE-AC02-05CH11231
  • Simultaneous Bioremediation and Soilification of Degraded Areas to Preserve Natural Resources of Biologically Active Substances, and Development and Production of Biomaterials and Dietetic Products (RS-43004)

DOI: 10.1007/s00792-019-01092-w

ISSN: 1431-0651; 1433-4909

PubMed: 30949775

WoS: 000471018700004

Scopus: 2-s2.0-85064264636
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/3026
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