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  • compounds
  • Dorn E, Knackmuss H-J (1978) Chemical structure and biodegradability of halogenated aromatic compounds: two catechol 1,2-dioxygenases from a 3-chlorobenzoate grown pseudomonad. (springer.com)
  • Six species of free-living nitrogen fixing bacteria, Azomonas agilis, Azospirillum brasilense, Azospirillum lipoferum, Azotobacter chroococcum, Azotobacter vinelandii , and Beijerinckia mobilis , were surveyed for their ability to grow and fix N 2 using aromatic compounds as sole carbon and energy source. (springer.com)
  • In many cases, growth rates on one or more aromatic compounds were comparable to or greater than those on the non-aromatic substrates routinely used for cultivation of the organisms. (springer.com)
  • Hardison C, Sala-Trepat JM, Stanier RY (1969) Pathways for the oxidation of aromatic compounds by Azotobacter . (springer.com)
  • The byproducts are stored in the form of tailings ponds where the water contains (1) toxic organic compounds such as naphthenic acids and catechol, (2) heavy metals, and (3) fine clay sediment 1 . (igem.org)
  • To address the decontamination of (1) toxic organic compounds such as naphthene and catechol found in the tailings ponds, natural pathways that can break down the toxic chemicals can be utilized. (igem.org)
  • The toxic organic compounds can be broken down into molecules that are metabolizable by all organisms, such as 2-hydroxymuconic semialdehyde (2-HMS) 3 . (igem.org)
  • Catechol is a prime candidate to function as a hub for the funneling and subsequent degradation of other toxic compounds found in abundance, such as naphthene, anthracene, and fluorene into 2-HMS (Figure 1) 3,4,5 . (igem.org)
  • These bacteria subsequently employ 1,2-CTD in the last step of the degradation of aromatic compounds to aliphatic products. (wikipedia.org)
  • This has been extensively used to develop microbial production systems for a variety of compounds valuable in chemical industry, including aromatic and non-aromatic acids like muconic acid, para -hydroxybenzoic acid, and para -coumaric acid, as well as aminobenzoic acids and aromatic α-amino acids. (frontiersin.org)
  • Octylphenol polyethoxylates (OPEOn) are surfactants and prone to be degraded into xenoestrogenic metabolites, such as octylphenol and OPEOn (n=1-2), are estrogenic-like compounds, and persistent to be degraded by bacteria in the environments. (ncu.edu.tw)
  • These strains are not limited to pyridine and also have the capability to transform toxic, aromatic compounds. (kenyon.edu)
  • Therefore, a good alternative seems to be the use of naturally occurring aromatic compounds, such as protocatechuic acid produced by Prunus domestica , Melissa officinalis or Vitis vinifera or vanillic acid identified in Juglans regia or Chenopodium murales (Ghareib et al . (pjmonline.org)
  • S5 to degrade naproxen in either mono- or disubstrate cultures with plant aromatic compounds as growth substrates. (pjmonline.org)
  • Microorganisms are known to be capable of degrading diverse chemical substances including man-made chemicals in the environment that are mostly aromatic compounds. (genome.jp)
  • This diagram illustrates combination patterns of reaction modules for biodegradation of aromatic compounds, consisting of three main types of ring dihydroxylation modules, followed by meta- or ortho-cleavage modules, together with an optional preprocessing module for converting methyl group to carboxyl group on the aromatic ring. (genome.jp)
  • Heating catechin past its point of decomposition releases pyrocatechol (also called catechol), which explains the common origin of the names of these compounds. (wikipedia.org)
  • extradiol
  • Catechol dioxygenases are further classified as being "extradiol" or "intradiol," and this distinction is based on mechanistic differences in the reactions (figures 1 & 2). (wikipedia.org)
  • Extradiol members utilize ferrous iron as the active redox state, and this center is commonly coordinated octahedrally through a 2-His-1-Glu motif with labile water ligands occupying empty positions. (wikipedia.org)
  • A 1,2-dihydroxynaphthalene dioxygenase (ThnC) is responsible for the extradiol cleavage of the catechol derivative ( 1 ), followed by hydrolytic cleavage (by ThnD) of the C-C bond that is part of the alicyclic ring of the fission product, resulting in a long dicarboxylic acid with 10 carbon atoms ( 12 ). (pubmedcentralcanada.ca)
  • strain
  • The 16S rDNA analysis revealed 99% nucleotide similarity to that of the type strain of R.rhodochrous (Fig. 2) ( 10 ). (kenyon.edu)
  • 2014). After growth of strain KB2 on naproxen activity of phenol monooxygenase, naphthalene dioxygenase, hydroxyquinol 1,2-dioxygenase and gentisate 1,2-dioxygenase was observed. (pjmonline.org)
  • The Sphingomonas macrogolitabida strain TFA is a gram-negative bacterium that is able to grow on tetralin (1,2,3,4-tetrahydronaphthalene) as the only carbon and energy source ( 14 ). (pubmedcentralcanada.ca)
  • toxic
  • In 2010, the Lethbridge iGEM team confirmed that xylE when introduce to E. coli hydrolyzes catechol to 2-HMS demonstrating and that this critical step can successfully be performed to convert toxic chemicals to metabolic intermediates 7 . (igem.org)
  • Hexahydro-1,3,5-trinitro-1,3,5-triazine and its degradation products are toxic, mutagenic and carcinogenic to humans and other biological systems. (brenda-enzymes.org)
  • Diagram
  • The single-molecule (monomer) catechin, or isomer epicatechin (see diagram), adds four hydroxyls to flavan-3-ol, making building blocks for concatenated polymers (proanthocyanidins) and higher order polymers (anthocyanidins). (wikipedia.org)
  • acids
  • ii) Hemicellulose is a composite compound with a mixture of pentoses, hexoses and sugar acids [ 3 - 6 ]. (ijbs.com)
  • For protein detection, it is advantageous to use fluorescent labels containing chromophores which have longer excitation wavelength and emission wavelength than the aromatic amino acids. (wikipedia.org)
  • compound
  • Lignin is a complex polyphenyl aromatic compound which exists in tight associations with cellulose and hemicellulose to form plant primary and secondary cell wall. (ijbs.com)
  • This compound is a bicyclic molecule composed of an aromatic and an alicyclic moiety, which shares two carbon atoms. (pubmedcentralcanada.ca)
  • Tetrasodium tris(bathophenanthroline disulfonate)ruthenium(II) (Na4Ru(bps)3) is a coordination compound containing a ruthenium center. (wikipedia.org)
  • typically
  • Three lithologic units along basement Hole U1383C were found, which typically hosted ∼10 4 cells cm -3 of basaltic rock, with higher cell densities occurring between 115 and 145 m below seafloor. (frontiersin.org)
  • derivatives
  • Flavan-3-ols (sometimes referred to as flavanols) are derivatives of flavans that use the 2-phenyl-3,4-dihydro-2H-chromen-3-ol skeleton. (wikipedia.org)
  • widely
  • hexahydro-1,3,5-trinitro-1,3,5-triazine is widely used for military and commercial purposes due to its high explosive properties. (brenda-enzymes.org)
  • In recent years, 2-D electrophoresis has been widely accepted as a standard procedure to separate complex protein mixtures in proteome studies (Proteomics). (wikipedia.org)
  • cofactor
  • The majority of dioxygenases fully incorporate dioxygen into a single substrate, and a variety of cofactor schemes are utilized to achieve this. (wikipedia.org)
  • occur
  • 2014). It is suggested that the transformation of naproxen by Trametes versicolor or activated sludge may occur by 2-(6-hydroxynaphthalen-2-yl)propanoic acid and 1-(6-methoxynaphthalen-2-yl)ethanone formation (Quintana et al . (pjmonline.org)
  • Abstract
  • Following the abstract, about 3 to 10 key words that will provide indexing references to should be listed. (cjasr.com)
  • commonly
  • At the center this barrel structure is a metal ion, most commonly ferrous iron, whose coordination environment is frequently provided by residues in two partially conserved structural motifs: G(X)5HXH(X)3-4E(X)6G and G(X)5-7PXG(X)2H(X)3N. (wikipedia.org)