Strains from the Specialized Collection of Alkanotrophs for Biodegradation of Aromatic Compounds.

Clicks: 177
ID: 276551
2023
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Abstract
The ability to degrade aromatic hydrocarbons, including (i) benzene, toluene, xylene, naphthalene, anthracene, phenanthrene, benzo[a]anthracene, and benzo[a]pyrene; (ii) polar substituted derivatives of benzene, including phenol and aniline; (iii) N-heterocyclic compounds, including pyridine; 2-, 3-, and 4-picolines; 2- and 6-lutidine; 2- and 4-hydroxypyridines; (iv) derivatives of aromatic acids, including coumarin, of 133 strains from the Regional Specialized Collection of Alkanotrophic Microorganisms was demonstrated. The minimal inhibitory concentrations of these aromatic compounds for varied in a wide range from 0.2 up to 50.0 mM. Xylene and polycyclic aromatic hydrocarbons (PAHs) were the less-toxic and preferred aromatic growth substrates. bacteria introduced into the PAH-contaminated model soil resulted in a 43% removal of PAHs at an initial concentration 1 g/kg within 213 days, which was three times higher than that in the control soil. As a result of the analysis of biodegradation genes, metabolic pathways for aromatic hydrocarbons, phenol, and nitrogen-containing aromatic compounds in , proceeding through the formation of catechol as a key metabolite with its following ortho-cleavage or via the hydrogenation of aromatic rings, were verified.
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krivoruchko2023molecules Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Krivoruchko, Anastasiia;Kuyukina, Maria;Peshkur, Tatyana;Cunningham, Colin J;Ivshina, Irina;
Journal molecules
Year 2023
DOI
2393
URL
Keywords
Biodegradation phenol functional genes pyridine rhodococcus bacteria mono- and polycyclic aromatic hydrocarbons

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