Search Results - "van Rensburg, Pierre"

An Assessment of the 2015–2017 Drought in Windhoek by van Rensburg, Pierre, Tortajada, Cecilia

“…Namibia is the most arid country in Sub-Saharan Africa. In Windhoek, the capital city, accelerated population growth and expanding economic activities, coupled…”
Get full text

Fate and persistence of antibiotic-resistant bacteria and genes through a multi-barrier treatment facility for direct potable reuse by Lina Wallmann, Jörg Krampe, Josef Lahnsteiner, Elena Radu, Pierre van Rensburg, Katarzyna Slipko, Markus Wögerbauer, Norbert Kreuzinger

“…Given the availability of technological solutions and guidelines for safe drinking water, direct potable reuse of reclaimed water has become a promising option…”
Get full text

Optimisation of the partial napping approach for the successful capturing of mouthfeel differentiation between brandy products by Louw, Leanie, Oelofse, Sulette, Naes, Tormod, Lambrechts, Marius, van Rensburg, Pierre, Nieuwoudt, Hélène

“…•Napping of overall in-mouth sensations of brandy provided little data on mouthfeel.•Panellists’ performance was not affected by the presence of visual or…”
Get full text

Characterization of Selected South African Young Cultivar Wines Using FTMIR Spectroscopy, Gas Chromatography, and Multivariate Data Analysis by Louw, Leanie, Roux, Karolien, Tredoux, Andreas, Tomic, Oliver, Naes, Tormod, Nieuwoudt, Hélène H, van Rensburg, Pierre

“…The powerful combination of analytical chemistry and chemometrics and its application to wine analysis provide a way to gain knowledge and insight into the…”
Get full text

Drink more recycled wastewater by Tortajada, Cecilia, van Rensburg, Pierre

“…There is no room for squeamishness in the face of the world’s growing water shortage — three steps could vastly improve the image of reused water for drinking…”
Get full text

PGU1 gene natural deletion is responsible for the absence of endo-polygalacturonase activity in some wine strains of Saccharomyces cerevisiae by Divol, Benoit, van Rensburg, Pierre

“…The PGU1 gene encodes an endo-polygalacturonase enzyme in Saccharomyces cerevisiae. The literature reports that most S. cerevisiae strains possess this gene,…”
Get full text

Regulation of endo-polygalacturonase activity in Saccharomyces cerevisiae by Louw, Campbell, Young, Philip R, van Rensburg, Pierre, Divol, Benoit

“…Pectolytic activity in Saccharomyces cerevisiae is due to the secretion of an endo-polygalacturonase encoded by the PGU1 gene. The ability to degrade…”
Get full text

Epigenetic regulation of PGU1 transcription in Saccharomyces cerevisiae by Louw, Campbell, Young, Philip R, van Rensburg, Pierre, Divol, Benoit

“…The PGU1 gene of Saccharomyces cerevisiae has been shown to encode a polygalacturonase. The polygalacturonase activity in S. cerevisiae is strain specific…”
Get full text

Coexpression of α-l-arabinofuranosidase and β-glucosidase in Saccharomyces cerevisiae by Zietsman, Anscha J.J, de Klerk, Daniel, van Rensburg, Pierre

“…Monoterpenes are important aroma compounds in grape varieties such as Muscat, Gewürztraminer and Riesling, and are present as either odourless, glycosidically…”
Get full text

Establishing a risk-assessment process for release of genetically modified wine yeast into the environment by Schoeman, Heidi, Wolfaardt, Gideon M, Botha, Alfred, van Rensburg, Pierre, Pretorius, Isak S

“…The use and release of genetically modified organisms (GMOs) is an issue of intense public concern and, in the case of food and beverages, products containing…”
Get more information

Designer Yeasts for the Fermentation Industry of the 21st Century by Isak S. Pretorius, Maret du Toit, Pierre van Rensburg

“…The budding yeast, Saccharomyces cerevisiae, has enjoyed a long and distinguished history in the fermention industry. Owing to its efficiency in producing…”
Get full text

Cloning and characterization of a second α‐amylase gene (LKA2) from Lipomyces kononenkoae IGC4052B and its expression in Saccharomyces cerevisiae by Eksteen, Jeremy M., Steyn, Andries J. C., Rensburg, Pierre van, Cordero Otero, Ricardo R., Pretorius, Isak S.

“…Lipomyces kononenkoae secretes a battery of highly effective amylases (i.e. α‐amylase, glucoamylase, isoamylase and cyclomaltodextrin glucanotransferase…”
Get full text

Validation of two Napping® techniques as rapid sensory screening tools for high alcohol products by Louw, Leanie, Malherbe, Sulette, Naes, Tormod, Lambrechts, Marius, van Rensburg, Pierre, Nieuwoudt, Hélène

“…•Two rapid sensory methods were validated for the profiling of fatiguing spirit products.•Partial napping found to be more suitable for large sample sets than…”
Get full text

Trained sensory panellists’ response to product alcohol content in the projective mapping task: Observations on alcohol content, product complexity and prior knowledge by Louw, Leanie, Oelofse, Sulette, Naes, Tormod, Lambrechts, Marius, van Rensburg, Pierre, Nieuwoudt, Hélène

“…•Product complexity impacts significantly on panel performance in projective mapping.•Effect of complexity on panellist performance is enhanced by high alcohol…”
Get full text

The effect of tasting sheet shape on product configurations and panellists’ performance in sensory projective mapping of brandy products by Louw, Leanie, Oelofse, Sulette, Naes, Tormod, Lambrechts, Marius, van Rensburg, Pierre, Nieuwoudt, Hélène

“…•Product maps from rectangular, round and square tasting sheets were similar.•Panellists’ performance was more consistent when using the round tastings…”
Get full text

Co-expression of a Phanerochaete chrysosporium cellobiohydrolase gene and a Butyrivibrio fibrisolvens endo-?-1,4-glucanase gene in Saccharomyces cerevisiae by van Rensburg, Pierre, van Zyl, Willem H., Pretorius, I. S.

Get full text

Coexpression of α-l-arabinofuranosidase and β-glucosidase in Saccharomyces cerevisiae: Coexpression of glucosidases in Saccharomyces cerevisiae by Zietsman, Anscha J.J., de Klerk, Daniel, van Rensburg, Pierre

Get full text

Enhancing Volatile Phenol Concentrations in Wine by Expressing Various Phenolic Acid Decarboxylase Genes in Saccharomyces cerevisiae by Smit, Annél, Cordero Otero, Ricardo R, Lambrechts, Marius G, Pretorius, Isak S, van Rensburg, Pierre

“…Phenolic acids, which are generally esterified with tartaric acid, are natural constituents of grape must and wine and can be released as free acids…”
Get full text

Engineering yeast for efficient cellulose degradation by Van Rensburg, Pierre, Van Zyl, Willem H., Pretorius, Isak S.

“…Saccharomyces cerevisiae produces several β‐1,3‐glucanases, but lacks the multicomponent cellulase complexes that hydrolyse the β‐1,4‐linked glucose polymers…”
Get full text

Development and characterisation of a recombinant Saccharomyces cerevisiae mutant strain with enhanced xylose fermentation properties by Thanvanthri Gururajan, V, Van Rensburg, P, Hahn-Hagerdal, B, Pretorius, I.S, Cordero Otero, R.R

“…The purpose of this study was to help lay the foundation for further development of xylose-fermenting Saccharomyces cerevisiae yeast strains through an…”
Get full text