Search Results - "Pletschke, B. I."

A review of lignocellulose bioconversion using enzymatic hydrolysis and synergistic cooperation between enzymes—Factors affecting enzymes, conversion and synergy by Van Dyk, J.S., Pletschke, B.I.

“…Lignocellulose is a complex substrate which requires a variety of enzymes, acting in synergy, for its complete hydrolysis. These synergistic interactions…”
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Food processing waste: Problems, current management and prospects for utilisation of the lignocellulose component through enzyme synergistic degradation by Van Dyk, J.S, Gama, R, Morrison, D, Swart, S, Pletschke, B.I

“…Waste from the food processing industry (e.g. juice production) is produced in large quantities worldwide and contains high levels of lignocellulose. To some…”
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Molecular identification and antibacterial properties of an ericoid associated mycorrhizal fungus by Adeoyo, O R, Pletschke, B I, Dames, J F

“…The quest for novel sources of antibacterial compounds have necessitated the inclusion of ericoid mycorrhizal fungi (ERM) commonly found within the root of…”
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The effect of mixtures of organophosphate and carbamate pesticides on acetylcholinesterase and application of chemometrics to identify pesticides in mixtures by Mwila, K., Burton, M. H., Van Dyk, J. S., Pletschke, B. I.

“…Organophosphate (OP) and carbamate (CP) pesticides act by the inhibition of acetylcholinesterase (AChE). This enables the use of this enzyme for the detection…”
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Purification and characterization of an amyloglucosidase from an ericoid mycorrhizal fungus (Leohumicola incrustata) by Adeoyo, O. R., Pletschke, B. I., Dames, J. F.

“…This study aimed to purify and characterize amyloglucosidase (AMG) from Leohumicola incrustata. AMG was purified to homogeneity from cell-free culture filtrate…”
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Increasing the scale of peroxidase production by Streptomyces sp. strain BSII#1 by Musengi, A, Khan, N, Le Roes‐Hill, M, Pletschke, B.I, Burton, S.G

“…AIMS: To optimize peroxidase production by Streptomyces sp. strain BSII#1, up to 3 l culture volumes. METHODS AND RESULTS: Peroxidase production by…”
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Purification and partial characterization of a thermostable laccase from an unidentified basidiomycete by Jordaan, J, Pletschke, B.I, Leukes, W.D

“…A thermostable laccase was isolated from an unidentified fungal isolate [Enz. Microb. Technol. 33 (2003) 212], and tentatively named UD4. This work indicates…”
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The effect of physico-chemical parameters and chemical compounds on the activity of β- d-galactosidase (B-GAL), a marker enzyme for indicator microorganisms in water by Wutor, V.C., Togo, C.A., Pletschke, B.I.

“…The presence of coliforms in polluted water was determined enzymatically ( in situ) by directly monitoring the activity of β- d-galactosidase (B-GAL) through…”
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The effect of hemicellulose on the binding and activity of cellobiohydrolase I, Cel7A, from Trichoderma reesei to cellulose by Malgas, S., Kwanya Minghe, V. M., Pletschke, B. I.

“…Hydrothermal pre-treatments decrease lignocellulose recalcitrance against enzymatic hydrolysis by removing the majority of the hemicellulose, thus increasing…”
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The use of liver histopathology, lipid peroxidation and acetylcholinesterase assays as biomarkers of contaminant-induced stress in the Cape stumpnose, Rhabdosargus holubi (Teleostei: Sparidae), from selected South African estuaries by Pletschke, B.I., Gordon, A.K., Richardson, N., Whitfield, A.K., Muller, W.J.

“…Three biomarkers of contaminant-induced stress (liver histopathology, the lipid peroxidation (LPx) assay and the acetylcholinesterase (AChE) assay) were…”
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The effect of sulfide on α-glucosidases: Implications for starch degradation in anaerobic bioreactors by Watson, S.D., Pletschke, B.I.

“…Membrane associated α-glucosidase activity was investigated in a methanogenic bioreactor (MR) and a biosulfidogenic bioreactor (SR). Temperature and pH optima…”
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Primary sludge floc degradation is accelerated under biosulphidogenic conditions: Enzymological aspects by Watson, S.D., Akhurst, T., Whiteley, C.G., Rose, P.D., Pletschke, B.I.

“…The mechanism of enhanced sludge floc fracture due to the action of enzymes hydrolysing important structural components, remains a key element in our…”
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Formulation of an optimized synergistic enzyme cocktail, HoloMix, for effective degradation of various pre-treated hardwoods by Malgas, S., Chandra, R., Van Dyk, J.S., Saddler, J.N., Pletschke, B.I.

“…•Synergism between CelMix and XynMix improved hardwood biomass hydrolysis.•XynMix requirement was highly biomass composition/pre-treatment dependent.•HoloMix…”
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A novel biosensor for the detection and monitoring of β- d-galactosidase of faecal origin in water by Wutor, V.C., Togo, C.A., Limson, J.L., Pletschke, B.I.

“…A voltammetric sensor prepared by the immobilization of metallophthalocyanine complexes onto a glassy carbon electrode has been developed for the detection of…”
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Effect of physical conditions and chemicals on the binding of a mini-CbpA from Clostridium cellulovorans to a semi-crystalline cellulose ligand by Lavan, L.M, Van Dyk, J.S, Chan, H, Doi, R.H, Pletschke, B.I

“…To investigate the effect that environmental factors have on Clostridium cellulovorans cellulose binding domain (CBD) binding to a semi-crystalline cellulose…”
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Improved endoglucanase production and mycelial biomass of some ericoid fungi by Adeoyo, O. R., Pletschke, B. I., Dames, J. F.

“…Fungal species associated with ericaceous plant roots produce a number of enzymes and other bio-active metabolites in order to enhance survival of their host…”
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Comparison of the direct enzyme assay method with the membrane filtration technique in the quantification and monitoring of microbial indicator organisms - seasonal variations in the activities of coliforms and E. coli, temperature and pH by Pletschke, B.I., Togo, C.A., Wutor, V.C.

“…The aim of this project was to monitor variations and relationships between coliform and E. coli counts, the activities of their marker enzymes GAL and GUD,…”
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Moderate levels of glyphosate and its formulations vary in their cytotoxicity and genotoxicity in a whole blood model and in human cell lines with different estrogen receptor status by De Almeida, L. K. S., Pletschke, B. I., Frost, C. L.

“…In vitro studies were conducted to determine the short-term cytotoxic and genotoxic effects of pure glyphosate and two glyphosate formulations (Roundup ® and…”
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Co-digestion of primary sewage sludge and industrial wastewater under anaerobic sulphate reducing conditions: enzymatic profiles in a recycling sludge bed reactor by WHITELEY, C. G, ENONGENE, G, PLETSCHKE, B. I, ROSE, P, WHITTINGTON-JONES, K

“…The first stage in the degradation and recycling of primary sewage sludge and particulate organic matter is the solubilisation and enhanced hydrolysis of…”
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Enzyme treatment to decrease solids and improve digestion of primary sewage sludge by Roman, HJ, Burgess, JE, Pletschke, B I

“…The aim of anaerobic digestion of primary sewage sludge is to convert the carbonaceous material contained in the solids into methane and carbon dioxide. The…”
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