D. Kunz

Publications29
h-index14
Citations802
Highly Influential Citations40
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Cyanase-mediated utilization of cyanate in Pseudomonas fluorescens NCIB 11764.
Pseudomonas fluorescens NCIB 11764 was capable of utilizing cyanate (OCN-) as a sole nitrogen source for growth. Crude cell extracts from cells grown on cyanate, but not on ammonium sulfate, were… Expand
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The transcriptional regulator AlgR controls cyanide production in Pseudomonas aeruginosa.
Pseudomonas aeruginosa is an opportunistic pathogen that causes chronic lung infections in cystic fibrosis (CF) patients. One characteristic of P. aeruginosa CF isolates is the overproduction of the… Expand
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Degradation of the metal-cyano complex tetracyanonickelate(II) by cyanide-utilizing bacterial isolates.
Ten bacterial isolates capable of growth on tetracyanonickelate(II) [K2[Ni(CN)4]] (TCN) as the sole nitrogen source were isolated from soil, freshwater, and sewage sludge enrichments. Seven of the 10… Expand
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Enzymatic Assimilation of Cyanide via Pterin-Dependent Oxygenolytic Cleavage to Ammonia and Formate in Pseudomonas fluorescens NCIMB 11764
ABSTRACT Utilization of cyanide as a nitrogen source by Pseudomonas fluorescens NCIMB 11764 occurs via oxidative conversion to carbon dioxide and ammonia, with the latter compound satisfying the… Expand
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Utilization of cyanide as nitrogenous substrate by Pseudomonas fluorescens NCIMB 11764: evidence for multiple pathways of metabolic conversion.
The growth of Pseudomonas fluorescens NCIMB 11764 on cyanide as the sole nitrogen source was accomplished by use of a modified fed-batch cultivation procedure. Previous studies showing that cyanide… Expand
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Bacterial cyanide oxygenase is a suite of enzymes catalyzing the scavenging and adventitious utilization of cyanide as a nitrogenous growth substrate.
Cyanide oxygenase (CNO) from Pseudomonas fluorescens NCIMB 11764 catalyzes the pterin-dependent oxygenolytic cleavage of cyanide (CN) to formic acid and ammonia. CNO was resolved into four protein… Expand
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Accumulation of α-Keto Acids as Essential Components in Cyanide Assimilation by Pseudomonas fluorescens NCIMB 11764
ABSTRACT Pyruvate (Pyr) and α-ketoglutarate (αKg) accumulated when cells of Pseudomonas fluorescens NCIMB 11764 were cultivated on growth-limiting amounts of ammonia or cyanide and were shown to be… Expand
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Evidence that bacterial cyanide oxygenase is a pterin-dependent hydroxylase.
The soluble cell-free fraction (150,000g high-speed supernatants [HSS]) of Pseudomonas fluorescens NCIMB 11764 contains putative cyanide oxygenase (CNO) responsible for initiating cyanide oxidation… Expand
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Catabolism of pseudocumene and 3-ethyltoluene by Pseudomonas putida (arvilla) mt-2: evidence for new functions of the TOL (pWWO) plasmid.
Pseudocumene (1,2,4-trimethylbenzene) and 3-ethyltoluene were found to serve as growth substrates for Pseudomonas putida (arvilla) mt-2, in addition to toluene, m-xylene, and p-xylene as previously… Expand
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Induction of cytochrome P-450 in Streptomyces griseus by soybean flour.
Soybean flour and the isoflavonoid genistein, were found to induce cytochrome P-450 in Streptomyces griseus. The chromophore was found in the 105,000xg supernatant and gave a reduced CO-difference… Expand
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