Search Results - "van Wyk, Pieter W. J."
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Arachidonic acid increases antifungal susceptibility of Candida albicans and Candida dubliniensis
Published in Journal of antimicrobial chemotherapy (01-01-2009)“…Objectives During Candida albicans infection, arachidonic acid (AA) is released from phospholipids of infected host cell membranes and used by C. albicans as…”
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Compositional, ultrastructural and nanotechnological characterization of the SMA strain of Saccharomyces pastorianus: Towards a more complete fermentation yeast cell analysis
Published in PloS one (11-07-2018)“…Nano scanning Auger microscopy (NanoSAM) and time-of-flight secondary ion mass spectrometry (TOF-SIMS) have been used in materials science research for some…”
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Effect of marine polyunsaturated fatty acids on biofilm formation of Candida albicans and Candida dubliniensis
Published in Marine drugs (08-10-2010)“…The effect of marine polyunsaturated fatty acids on biofilm formation by the human pathogens Candida albicans and Candida dubliniensis was investigated. It was…”
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Distribution of 3-hydroxy oxylipins and acetylsalicylic acid sensitivity in Cryptococcus species
Published in Canadian journal of microbiology (01-02-2008)“…Using a well tested antibody specific for 3-hydroxy oxylipins, we mapped the presence of these oxylipins in selected Cryptococcus (Filobasidiella) species…”
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Variation in yeast mitochondrial activity associated with asci
Published in Canadian journal of microbiology (01-07-2008)“…An increase in mitochondrial membrane potential (DeltaPsim) and mitochondrially produced 3-hydroxy (3-OH) oxylipins was experienced in asci of the…”
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Oxylipin and mitochondrion probes to track yeast sexual cells
Published in Canadian journal of microbiology (01-06-2008)“…When oxylipin and mitochondrion probes, i.e., fluorescing antibodies specific for 3-hydroxy fatty acids (3-OH oxylipins) and rhodamine 123 (Rh123), were added…”
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Gas bubble formation in the cytoplasm of a fermenting yeast
Published in FEMS yeast research (01-11-2012)“…Abstract Current paradigms assume that gas bubbles cannot be formed within yeasts although these workhorses of the baking and brewing industries vigorously…”
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The effects of palm oil breakdown products on lipid turnover and morphology of fungi
Published in Canadian journal of microbiology (01-11-2010)“…The oleaginous fungi Cryptococcus curvatus and Mucor circinelloides were used to determine the effect of palm oil breakdown products, measured as polymerized…”
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Anti-inflammatory drugs selectively target sporangium development in Mucor
Published in Canadian journal of microbiology (01-12-2009)“…It is known that acetylsalicylic acid, an anti-inflammatory and anti-mitochondrial drug, targets structure development and functions of yeasts depending on…”
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3-hydroxy fatty acids found in capsules of Cryptococcus neoformans
Published in Canadian journal of microbiology (01-06-2007)“…Using immunofluorescence confocal laser scanning microscopy, immunogold transmission electron microscopy and gas chromatography--mass spectrometry, we…”
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The influence of acetylsalicylic acid on oxylipin migration in Cryptococcus neoformans var. neoformans UOFS Y-1378
Published in Canadian journal of microbiology (01-02-2008)“…In this paper we report the influence of acetylsalicylic acid on oxylipin migration in Cryptococcus neoformans var. neoformans UOFS Y-1378, previously isolated…”
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Cryptococcus anemochoreius sp. nov., a novel anamorphic basidiomycetous yeast isolated from the atmosphere in central South Africa
Published in International journal of systematic and evolutionary microbiology (01-11-2006)“…1 Department of Microbial, Biochemical and Food Biotechnology, University of the Free State, PO Box 339, Bloemfontein 9301, South Africa 2 Centre for Confocal…”
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The microcyclic conidial stage of Coniochaeta pulveracea and its effect on selected biological interactions
Published in Folia microbiologica (01-07-2016)“…Coniochaeta pulveracea is a dimorphic lignicolous fungus that has mostly been isolated from decaying wood. However, relatively little work was conducted on the…”
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Oxylipin-coated hat-shaped ascospores of Ascoidea corymbosa
Published in Canadian journal of microbiology (01-11-2006)“…We previously implicated 3-hydroxy oxylipins and ascospore structure in ascospore release from enclosed asci. Using confocal laser scanning microscopy on cells…”
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Mapping the distribution of 3-hydroxy oxylipins in the ascomycetous yeast Saturnispora saitoi
Published in Systematic and applied microbiology (01-09-2006)“…The distribution of 3-hydroxy oxylipins in Saturnispora saitoi was mapped using immunofluorescence microscopy. Fluorescence was observed on aggregating…”
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Oxylipin studies expose aspirin as antifungal
Published in FEMS yeast research (01-12-2007)“…The presence of aspirin-sensitive 3-hydroxy fatty acids (i.e. 3-OH oxylipins) in yeasts was first reported in the early 1990s. Since then, these oxidized fatty…”
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The "firing cannons" of Dipodascopsis uninucleata var. uninucleata
Published in Canadian journal of microbiology (01-06-2013)“…According to literature, the elongated ascospores of Dipodascopsis uninucleata var. uninucleata exhibit smart movement when forcefully ejected from…”
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Polyunsaturated fatty acids cause apoptosis in C. albicans and C. dubliniensis biofilms
Published in Biochimica et biophysica acta (01-10-2012)“…Polyunsaturated fatty acids (PUFAs) have antifungal properties, but the mode by which they induce their action is not always clear. The aim of the study was to…”
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release of elongated, sheathed ascospores from bottle-shaped asci in Dipodascus geniculatus
Published in FEMS yeast research (01-03-2007)“…Yeasts use different mechanisms to release ascospores of different lengths from bottle-shaped asci. Round to oval-shaped ascospores are enveloped in…”
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