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Journal of Bioscience and Bioengineering, 1999
About twenty years ago, the cofactor pyrroloquinoline quinone, PQQ, was discovered. Here the author gives his personal view on the reasons why this cofactor was so lately discovered and how the steps in its identification were made. The discovery not only led to subsequent studies on the physiological significance of PQQ but also initiated ...
J A Duine, Johannis A Duine
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About twenty years ago, the cofactor pyrroloquinoline quinone, PQQ, was discovered. Here the author gives his personal view on the reasons why this cofactor was so lately discovered and how the steps in its identification were made. The discovery not only led to subsequent studies on the physiological significance of PQQ but also initiated ...
J A Duine, Johannis A Duine
exaly +3 more sources
The PQQ-alcohol dehydrogenase of Gluconacetobacter diazotrophicus
International Journal of Food Microbiology, 2008The oxidation of ethanol to acetic acid is the most characteristic process in acetic acid bacteria. Gluconacetobacter diazotrophicus is rather unique among the acetic acid bacteria as it carries out nitrogen fixation and is a true endophyte, originally isolated from sugar cane. Aside its peculiar life style, Ga. diazotrophicus, possesses a constitutive
Saul Gómez-Manzo
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ChemInform Abstract: Formation of Derivatives of PQQ and PQQ‐Triester for the Detection of PQQ.
ChemInform, 1994AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
P. MARTIN, T. WINKLER
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Trends in Biochemical Sciences, 1989
The recently discovered redox coenzyme, PQQ (methoxatin), is widely distributed. Quantitation of protein-bound PQQ has been difficult, but unique redox cycling reactions, which reflect its striking biological properties, reveal trace amounts. PQQ is a potential target for drugs.
P M, Gallop +3 more
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The recently discovered redox coenzyme, PQQ (methoxatin), is widely distributed. Quantitation of protein-bound PQQ has been difficult, but unique redox cycling reactions, which reflect its striking biological properties, reveal trace amounts. PQQ is a potential target for drugs.
P M, Gallop +3 more
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Biosensors and Bioelectronics, 2004
The performance of pyrroloquinoline quinone (PQQ) dependent alcohol dehydrogenase (ADH) and two types of PQQ-glucose dehydrogenases in solution and when immobilized on the carbon paste electrodes modified with ferrocene derivatives is investigated. The immobilization of ADH consisting of PQQ and four hemes improves its stability up to 10 times.
Valdas, Laurinavicius +3 more
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The performance of pyrroloquinoline quinone (PQQ) dependent alcohol dehydrogenase (ADH) and two types of PQQ-glucose dehydrogenases in solution and when immobilized on the carbon paste electrodes modified with ferrocene derivatives is investigated. The immobilization of ADH consisting of PQQ and four hemes improves its stability up to 10 times.
Valdas, Laurinavicius +3 more
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Derivatisierung von PQQ und PQQ‐Triester für den Nachweis von PQQ
Helvetica Chimica Acta, 1993Formation of derivatives of PQQ and PQQ‐Triester for the Detection of PQQPQQ is an organic redox/cofactor found in a class of enzymes called quinoproteins. It has been reported that materials like milk, egg yolk, vinegar, beer, serum, urine, and biological tissues contain little amounts of PQQ.
Pierre Martin, Tammo Winkler
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The Biochemistry, Physiology and Genetics of PQQ and PQQ-containing Enzymes
1998Pyrrolo-quinoline quinone (PQQ) is the non-covalently bound prosthetic group of many quinoproteins catalysing reactions in the periplasm of Gram-negative bacteria. Most of these involve the oxidation of alcohols or aldose sugars. PQQ is formed by fusion of glutamate and tyrosine, but details of the biosynthetic pathway are not known; a polypeptide ...
P M, Goodwin, C, Anthony
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The Role of PQQ in K.aerogenes and Cloning of pqq Genes
1989Enterobacteriaceae transport glucose into the cell by means of the PEP-dependent carbohydrate phosphotransferase system (PTS). In Klebsiella aerogenes an alternative pathway exists involving a glucose dehydrogenase (GLD, facing the periplasm) which uses pyrroloquinoline quinone (PQQ) as cofactor and is linked to the respiratory chain. It probably plays
J. J. M. Meulenberg +3 more
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