Výsledky vyhledávání - "T. C. Hollocher"

Steady-state nitric oxide concentrations during denitrification

Autor: J, Goretski, O C, Zafiriou, T C, Hollocher

Publikováno v: The Journal of biological chemistry. 265(20)

Three species of denitrifying bacteria, Paracoccus denitrificans, Pseudomonas stutzeri strain JM300, and Achromobacter cycloclastes, were allowed to reduce nitrate or nitrite in anaerobic, closed vials while the equilibration of gases between aqueous

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::dc5aa6227752535a673dc43e31ae5449
https://pubmed.ncbi.nlm.nih.gov/2365685

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The kinetic and isotopic competence of nitric oxide as an intermediate in denitrification

Autor: J, Goretski, T C, Hollocher

Publikováno v: The Journal of biological chemistry. 265(2)

Rates of NO uptake by five denitrifying bacteria were estimated by NO-electrode and gas chromatography methods under conditions of rather low cell densities and [NOaq]. The rates so measured, VmaxNO, represent lower limits for the true value of that

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::e97064af186f699fc6839c01e742d519
https://pubmed.ncbi.nlm.nih.gov/2295624

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Catalysis of intermolecular oxygen atom transfer by nitrite dehydrogenase of Nitrobacter agilis

Autor: S H Friedman, W Massefski, T C Hollocher

Publikováno v: Journal of Biological Chemistry. 261:10538-10543

Nitrobacter agilis, which contains a very active nitrite dehydrogenase, was studied in vivo under anaerobic conditions by the 15N NMR technique. When incubated with equimolar 15NO3- and unlabeled nitrite (or 15NO2- and unlabeled nitrate) the bacteriu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::871a19c3a1662bd4dd840d3380cb1934
https://doi.org/10.1016/s0021-9258(18)67418-6

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Nitrogen 15 tracer studies on the pathway of denitrification in Pseudomonas aeruginosa

Autor: T C Hollocher, R T St John

Publikováno v: Journal of Biological Chemistry. 252:212-218

The pathway of anaerobic reduction of nitrite to nitrogen gas (N2) by cell suspensions of the denitrifier, Pseudomonas aeruginosa, was studied using the techniques of gas chromatography and mass spectrometry. While release of nitrous oxide (N2O) is n

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::76c0dea7162605ce321428ff74fd0a4d
https://doi.org/10.1016/s0021-9258(17)32818-1

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15N,18O tracer studies on the activation of nitrite by denitrifying bacteria. Nitrite/water-oxygen exchange and nitrosation reactions as indicators of electrophilic catalysis

Autor: E A Garber, T C Hollocher

Publikováno v: Journal of Biological Chemistry. 257:8091-8097

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bf8b5c471e9899d45b9245a442e3bbe7
https://doi.org/10.1016/s0021-9258(18)34301-1

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15N tracer studies on the role of NO in denitrification

Autor: T C Hollocher, E A E Garber

Publikováno v: Journal of Biological Chemistry. 256:5459-5465

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a18ee726868f9aa9354eba0ae0e037db
https://doi.org/10.1016/s0021-9258(19)69223-9

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13N isotope studies on the pathway of ammonia assimilation in Bacillus megaterium and Escherichia coli

Autor: C H Kim, T C Hollocher

Publikováno v: Journal of Bacteriology. 151:358-366

The pathway of ammonia incorporation into amino acids was studied by use of 13N-ammonium ions in Bacillus megaterium and Escherichia coli that had been grown aerobically on a minimal salts medium containing NH4Cl as the source of nitrogen. Anion- and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d7630ab462ce5fb746aa8107ed7de09d
https://doi.org/10.1128/jb.151.1.358-366.1982

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Substrate binding site for nitrate reductase of Escherichia coli is on the inner aspect of the membrane

Autor: J K Kristjansson, T C Hollocher

Publikováno v: Journal of Bacteriology. 137:1227-1233

Escherichia coli grown anaerobically on nitrate exhibited the same transport barrier to reduction of chlorate, relative to nitrate, as that exhibited by Paracoccus denitrificans. This establishes that the nitrate binding site of nitrate reductase (EC

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::be256cad40eebb50393a6dca52bf7594
https://doi.org/10.1128/jb.137.3.1227-1233.1979

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Purification and some characteristics of nitrous oxide reductase from Paracoccus denitrificans

Autor: S W Snyder, T C Hollocher

Publikováno v: Journal of Biological Chemistry. 262:6515-6525

Nitrous oxide reductase from the denitrifying bacterium Paracoccus denitrificans has been purified very nearly to homogeneity by an anaerobic procedure that results in a product with high specific activity. The enzyme is a dimer of about Mr 144,000 c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9bb87b74e3dc4c5cb774be8e7f9be684
https://doi.org/10.1016/s0021-9258(18)48272-5

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Positional isotopic equivalence of nitrogen in N2O produced by the denitrifying bacterium Pseudomonas stutzeri. Indirect evidence for a nitroxyl pathway

Autor: T C Hollocher, E A Garber

Publikováno v: Journal of Biological Chemistry. 257:4705-4708

During the concomitant reduction of [15N]nitrite and 14NO, the denitrifying bacterium Pseudomonas stutzeri produced considerable amounts of isotopically mixed N2O (14,15N2O) but did not isotopically intermix the nitrite and NO pools (Garber, E. A. E.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0a751a797c49aeaf989f2e6913d41283
https://doi.org/10.1016/s0021-9258(18)34582-4

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