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Showing 1-30 of 40 results for "S7896" within Papers
M Lorenzo et al.
Chemosphere, 60(8), 1124-1128 (2005-07-05)
Due to the numerous biotechnological applications of laccase enzyme, it is essential to know the influence of different agents usually present in the natural environment on its enzymatic action, especially for in situ treatment technologies. In the present work, a
Qiu Weihua et al.
Bioresource technology, 99(13), 5480-5484 (2007-12-22)
Mycelia Sterilia YY-5, an entophytic fungus, was isolated from Rhus chinensis Mill and its extracellular enzyme had a higher laccase activity (MS-Lac). After been purified by anion exchange and gel filtration chromatography, MS-Lac, which had a molecular mass of 45
N Rajendiran et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 68(3), 894-904 (2007-02-24)
The absorption and fluorescence spectra of syringaldazine (SYAZ) has been recorded in solvents of different polarity, pH and beta-cyclodextrin (beta-CD) and compared with syringaldehyde (SYAL). The inclusion complex of SYAZ with beta-CD is investigated by UV-vis, fluorimetry, AM 1, FT-IR
Telma Alves Garcia et al.
Biotechnology letters, 28(9), 633-636 (2006-04-28)
Two isoforms of laccase produced from the culture supernatant of Pycnoporus sanguineus were partially purified by phenyl-Sepharose chromatography. Molecular masses of the enzymes were 80 kDa (Lac I) and 68 kDa (Lac II). Optimum activity of Lac I was at
Makoto Hattori et al.
Journal of insect physiology, 51(12), 1359-1365 (2005-10-12)
The activity and composition of leafhopper saliva are important in interactions with the host rice plant, and it may play a physiological role in detoxifying toxic plant substances or ingesting sap. We have characterized diphenoloxidase in the salivary glands of
Aptitude of Oxidative Enzymes for Treatment of Wastewater Pollutants: A Laccase Perspective
Unuofin JO, et al.
Molecules (Basel), 24(11), 2064-2064 (2019)
Fabiola Medina et al.
Enzyme and microbial technology, 52(1), 68-76 (2012-12-04)
A Structure Activity Relationship (SAR) study for laccase mediator systems was performed in order to correctly classify different natural phenolic mediators. Decision tree (DT) classification models with a set of five quantum-chemical calculated molecular descriptors were used. These descriptors included
Huiping Liu et al.
Biotechnology letters, 37(9), 1829-1835 (2015-06-22)
To characterize a putative laccase gene, LacMP, of Moniliophthora perniciosa FA553 that had been screened using a genome mining approach, then cloned and expressed in Pichia pastoris. The purified recombinant LacMP was ~57 kDa with a maximum laccase activity of 232 U/l.
Priscila Tomie Leme Ike et al.
SpringerPlus, 4, 654-654 (2015-11-07)
In this work we have identified, using mass spectrometry, two laccases produced by Leucoagaricus gongylophorus. One of them, Lac1Lg, was isolated, purified and characterized. Lac1Lg, a monomeric enzyme, was studied using ABTS and syringaldazine substrates. Lac1Lg presented kcat/Km almost threefold
Functional analyses of the crohn?s disease risk gene LACC1
Assadi G, et al.
PLoS ONE, 11(12), e0168276-e0168276 (2016)
Zheng-Bing Guan et al.
Environmental science and pollution research international, 22(12), 9515-9523 (2015-04-08)
Fungal laccases are typically unstable at high pH and temperature conditions, which limit their application in the decolorization of textile wastewater. By contrast, the highly stable bacterial laccases can function within a wider pH range and at high temperatures, thus
Experientia, 29, 381-381 (1973)
Lei Lu et al.
Applied microbiology and biotechnology, 74(6), 1232-1239 (2006-12-23)
The white rot fungus Pycnoporus sanguineus produced high amount of laccase in the basal liquid medium without induction. Laccase was purified using ultrafiltration, anion-exchange chromatography, and gel filtration. The molecular weight of the purified laccase was estimated as 61.4 kDa
Syringaldazine, an effective reagent for detecting laccase and peroxidase in fungi
Harkin JM and Obst JR
Experientia, 29(4), 381-387 (1973)
Characterization of endogenous and recombinant forms of laccase-2, a multicopper oxidase from the tobacco hornworm, Manduca sexta
Dittmer NT, et al.
Insect Biochemistry and Molecular Biology, 39(9), 596-606 (2009)
Bhagwan S Batule et al.
International journal of nanomedicine, 10 Spec Iss, 137-142 (2015-09-09)
We developed a simple but efficient method to synthesize protein-inorganic hybrid nanostructures with a flower-like shape (nanoflowers), which relies on sonication to facilitate the synthesis of the nanoflowers. With this technique, we synthesized nanoflowers containing laccase as a model protein
K R S Sambasiva Rao et al.
Journal of microbiology and biotechnology, 22(2), 207-214 (2012-03-01)
Laccase- and peroxidase-free tyrosinase has commercial importance in the production of L-3, 4-dihydroxyphenylalanine (L-DOPA), which is mainly used in the treatment of Parkinson's disease. In the present study, isolation of an actinomycetes microbial strain capable of producing only tyrosinase is
Use of syringaldazine for detection of laccase in sporophores of wood rotting fungi
Harkin JM, et al.
Mycologia, 66(3), 469-476 (1974)
Benjamin Otto et al.
FEMS microbiology letters, 362(11) (2015-05-01)
In order to explore the abundance and potential environmental functions of green algal laccases, we screened various algae for extracellular laccase-like activities, characterized basic features of these activities in selected species and exemplarily studied the transformation of environmental pollutants and
Sivakumar Uthandi et al.
Applied and environmental microbiology, 76(3), 733-743 (2009-12-08)
Laccases couple the oxidation of phenolic compounds to the reduction of molecular oxygen and thus span a wide variety of applications. While laccases of eukaryotes and bacteria are well characterized, these enzymes have not been described in archaea. Here, we
Wojciech Nogala et al.
Bioelectrochemistry (Amsterdam, Netherlands), 79(1), 101-107 (2010-01-26)
Electrodes modified with sol-gel encapsulated laccase (isolated from Cerrenaunicolor) exhibiting mediated or mediatorless bioelectrocatalytic dioxygen reduction activity were inspected using confocal laser scanning microscopy, atomic force microscopy and scanning electrochemical microscopy. Potential-driven leaching of the redox mediator 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonate) from carbon
Endry N Prasetyo et al.
European journal of clinical investigation, 42(4), 432-438 (2011-09-29)
The human body is constantly exposed to a large variety of reactive oxygen species that are implicated in many pathophysiological conditions (atherosclerosis, cancer, neurodegenerative diseases etc.). Monitoring the antioxidant status of biological fluids could be used as an early warning
C Flores et al.
Journal of applied microbiology, 106(1), 249-257 (2009-01-06)
To select Trichoderma strains for enhanced laccase production in Pleurotus ostreatus or Agaricus bisporus cultures. Laccase production by P. ostreatus and A. bisporus was evaluated in liquid (axenic) and solid (dual cultures) malt extract medium. Oxidation of ABTS, DMP and
Mahdi Mohammadian et al.
Journal of industrial microbiology & biotechnology, 37(8), 863-869 (2010-05-18)
Laccases (benzenediol oxygen oxidoreductase; EC 1.10.3.2) have many biotechnological applications because of their oxidation ability towards a wide range of phenolic compounds. Within recent years, researchers have been highly interested in the identification and characterization of laccases from bacterial sources.
Jun Shigeto et al.
The FEBS journal, 279(2), 348-357 (2011-11-22)
Cationic cell wall-bound peroxidase (CWPO-C) has the capability to oxidize sinapyl alcohol, ferrocytochrome c, and synthetic lignin polymers, unlike most peroxidases that have been characterized in flowering plants, such as horseradish peroxidase and Arabidopsis thaliana peroxidase A2. It has been
Kentaro Miyazaki
Extremophiles : life under extreme conditions, 9(6), 415-425 (2005-07-07)
A copper-inducible laccase activity was detected in Thermus thermophilus HB27. The enzyme was partially purified and separated by SDS-PAGE. After staining, a gel slice containing a approximately 53-kDa protein was excised and treated with trypsin, and the in-gel digests were
Igor Cesarino et al.
Plant physiology and biochemistry : PPB, 62, 1-10 (2012-11-20)
Secreted class III peroxidases (EC 1.11.1.7) are implicated in a broad range of physiological processes throughout the plant life cycle. However, the unambiguous determination of the precise biological role of an individual class III peroxidase isoenzyme is still a difficult
Quantitative estimation of laccase forms in some white-rot fungi using syringaldazine as a substrate
Leonowicz A and Grzywnowicz K
Enzyme and Microbial Technology, 3(1), 55-58 (1981)
N N Pozdniakova et al.
Prikladnaia biokhimiia i mikrobiologiia, 42(1), 63-69 (2006-03-09)
Yellow laccase was isolated from a solid-phase culture of the fungus Pleurotus ostreatus D1 and characterized. It is a copper-containing enzyme with molecular weight 64 kDa. Its absorption spectrum lacks the maximum at 610 nm, characteristic of fungal laccases and
Anna Michniewicz et al.
Applied microbiology and biotechnology, 69(6), 682-688 (2005-06-29)
Cerrena unicolor secreted two laccase isoforms with different characteristics during the growth in liquid media. In a synthetic low-nutrient nitrogen glucose medium (Kirk medium), high amounts of laccase (4,000 U l(-1)) were produced in response to Cu2+. Highest laccase levels
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