Marinobacterstrain NCE312 has aPseudomonas-like naphthalene dioxygenase

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Marinobacter strain NCE312 has a Pseudomonas-like naphthalene dioxygenase.

One strain of bacteria, designated NCE312, was isolated from a naphthalene-digesting chemostat culture that was inoculated with creosote-contaminated marine sediment. The strain was isolated based on its ability to grow using naphthalene as a sole carbon source. In addition, the strain degraded 2-methylnaphthalene and 1-methylnaphthalene. Analysis of a 16S rRNA gene sequence from NCE312 placed ...

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Structure and increased thermostability of Rhodococcus sp. naphthalene 1,2-dioxygenase.

Rieske nonheme iron oxygenases form a large class of aromatic ring-hydroxylating dioxygenases found in microorganisms. These enzymes enable microorganisms to tolerate and even exclusively utilize aromatic compounds for growth, making them good candidates for use in synthesis of chiral intermediates and bioremediation. Studies of the chemical stability and thermostability of these enzymes thus b...

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Purification and properties of ferredoxinNAP, a component of naphthalene dioxygenase from Pseudomonas sp. strain NCIB 9816.

One of the three components of the naphthalene dioxygenase occurring in induced cells of Pseudomonas sp. strain NCIB 9816 has been purified to homogeneity. The protein contained 2 g-atoms each of iron and acid-labile sulfur and had an apparent molecular weight of 13,600. The evidence indicates that it is a ferredoxin-type protein that functions as an intermediate electron transfer protein in na...

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A molecular modeling analysis of polycyclic aromatic hydrocarbon biodegradation by naphthalene dioxygenase.

A theoretical analysis was performed to examine the role of naphthalene dioxygenase (NDO) enzymes in determining differences in biodegradability and biodegradation rates of two- to four-ring polycyclic aromatic hydrocarbons (PAHs) via oxygenation and desaturation reactions. Investigation of the thermodynamics of PAH biodegradation reactions catalyzed by NDO revealed that enthalpies of reaction ...

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Oxidation of naphthenoaromatic and methyl-substituted aromatic compounds by naphthalene 1,2-dioxygenase.

Oxidation of acenaphthene, acenaphthylene, and fluorene was examined with recombinant strain Pseudomonas aeruginosa PAO1(pRE695) expressing naphthalene dioxygenase genes cloned from plasmid NAH7. Acenaphthene underwent monooxygenation to 1-acenaphthenol with subsequent conversion to 1-acenaphthenone and cis- and trans-acenaphthene-1,2-diols, while acenaphthylene was dioxygenated to give cis-ace...

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ژورنال

عنوان ژورنال: FEMS Microbiology Letters

سال: 2001

ISSN: 0378-1097,1574-6968

DOI: 10.1111/j.1574-6968.2001.tb10731.x