Pathways for the degradation of m-cresol and p-cresol by Pseudomonas putida
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Pathways for the degradation of m-cresol and p-cresol by Pseudomonas putida.
A comparison of the oxidation rates of various compounds by whole cells of Pseudomonas putida 3, 5 indicated that m-cresol is metabolized by oxidation to 3-hydroxybenzoate followed by hydroxylation to gentisate, the ring-fission substrate, when grown with 3, 5-xylenol. However, when m-cresol was the growth substrate, similar experiments suggested a different pathway involving a methyl-substitut...
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Like the major vaccinia virus (VV) core protein precursors, p4b and p25K, the 25 kDa VV A12L late gene product (p17K) is proteolytically maturated at the conserved Ala-Gly-Ala motif. However, the association of the precursor and its cleavage product with the core of mature virion suggests that both of the A12L proteins may be required for virus assembly. Here, in order to test the requirement o...
متن کاملp-cresol methylhydroxylase from a denitrifying bacterium involved in anaerobic degradation of p-cresol.
A bacterium, strain PC-07, previously isolated as part of a coculture capable of growing on p-cresol under anaerobic conditions with nitrate as the acceptor was identified as an Achromobacter sp. The first enzyme of the pathway, p-cresol methylhydroxylase, which converts its substrate into p-hydroxybenzyl alcohol, was purified. The enzyme had an Mr of 130,000 and the spectrum of a flavocytochro...
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In the hydroxylation of the methyl group of p-cresol by an enzyme from Pseudomonas putida the oxygen atom is derived from water. Although a second reaction by the same enzyme converts the product, p-hydroxybenzyl alcohol, into the aldehyde, the alcohol is an enzyme-free intermediate.
متن کاملLiquid-Liquid Equilibrium for the Ternary Systems of Solvent+ m/o/p-Cresol+Water: Thermodynamic Modeling
In this study, NRTL and UNIQUAC thermodynamic models were used to predict the composition of ternary mixtures of solvents+ m/o/p-cresol+ water in organic and aqueous phases. Various solvents are used for the separation of cresols from water. In this study, methyl propyl ketone, methyl isopropyl ketone, methyl butyl ketone, and methyl isobutyl ketone solvents were investigated. Intermolecular in...
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ژورنال
عنوان ژورنال: Journal of Bacteriology
سال: 1975
ISSN: 0021-9193,1098-5530
DOI: 10.1128/jb.122.1.1-6.1975