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    Browsing Research Articles (Microbiology) by Title

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    Now showing items 87-106 of 106

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        Pharmaceutical and personal care products (PPCPs) as endocrine disrupting contaminants (EDCs) in South African surface waters 

        Archer, Edward; Wolfaardt, Gideon M.; Van Wyk, Johannes H. (South African Water Research Commission, 2017-10)
        Globally, water resources are under constant threat of being polluted by a diverse range of man-made chemicals, and South Africa is no exception. These contaminants can have detrimental effects on both human and wildlife ...
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        A phylogenetic revision of Penicillium sect. Exilicaulis, including nine new species from fynbos in South Africa 

        Visagie, Cobus M.; Seifert, Keith A.; Houbraken, Jos; Samson, Robert A.; Jacobs, Karin (International Mycological Association, 2016-06-01)
        A survey of the fynbos biome in South Africa resulted in the isolation of 61 Penicillium species from Protea repens infructescences, air, and soil samples. Fourteen of these belong to Penicillium sect. Exilicaulis and ...
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        Prevention of food poisoning in hospital patients 

        Horwitz, B. M.; Finlayson, M. H.; Brede, H. D. (Health & Medical Publishing Group, 1974)
        Bacteriological investigations of raw and cooked foods and of food handlers in abattoirs, food factories and hospital kitchens show that they are potential sources of food poisoning organisms. The use of reheated (reconstituted) ...
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        Primary immunodeficiency diseases 

        Buldeo, Suvarna; Suchard, Melinda; Esser, Monika (Health and Medical Publishing Group (HMPG), 2012-08)
        Primary immunodeficiency diseases (PIDs) are a group of disorders with defects in the development or function (or both) of the immune system. Most PIDs originate from mutations in single genes, but polygenic forms do ...
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        Raw starch conversion by Saccharomyces cerevisiae expressing Aspergillus tubingensis amylases 

        Viktor, Marko J.; Rose, Shaunita H.; Van Zyl, Willem H.; Viljoen-Bloom, Marinda (BioMed Central, 2013-11)
        Background: Starch is one of the most abundant organic polysaccharides available for the production of bio-ethanol as an alternative transport fuel. Cost-effective utilisation of starch requires consolidated bioprocessing ...
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        Relationship between ergosterol concentrations in wine yeast and sugar fermentation at different temperatures 

        Venter, J. J.; Van Vuuren, H. J. J.; Tromp, A.; Randall, J. H. (South African Society for Enology and Viticulture, 1989)
        The effect of cellular ergosterol on the fermentation ability of four different Saccharomyces cerevisiae wine yeast strains was studied. F~rmentations were carried out at three temperatures and ergosterol concentrations ...
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        Relationship between fatty acid concentrations in wine yeasts and sugar fermentation at different temperatures 

        Venter, J. J.; Van Vuuren, H. J. J.; Tromp, A.; Randall, J. H. (South African Society for Enology and Viticulture, 1989)
        The effects of temperature and fermentation stage on the cellular concentrations of unsaturated and saturated fatty acids on the fermentation abilities of four different Saccharomyces cerevisiae wine yeasts were studied ...
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        Release of bacteriocins from nanofibers prepared with combinations of poly(D,L-lactide) (PDLLA) and poly(ethylene oxide) (PEO) 

        Heunis, Tiaan; Bshena, Osama; Klumperman, Bert; Dicks, Leon Milner Theodore, 1961- (MDPI, 2011)
        Plantaricin 423, produced by Lactobacillus plantarum, and bacteriocin ST4SA produced by Enterococcus mundtii, were electrospun into nanofibers prepared from different combinations of poly(D,L-lactide) (PDLLA) and poly(ethylene ...
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        A review : the fate of bacteriocins in the human gastro-intestinal tract : do they cross the gut–blood barrier? 

        Dicks, Leon Millner Theodore, 1961-; Dreyer, Leane; Smith, Carine; Van Staden, Anton D. (Frontiers Media, 2018)
        The intestinal barrier, consisting of the vascular endothelium, epithelial cell lining, and mucus layer, covers a surface of about 400 m2. The integrity of the gut wall is sustained by transcellular proteins forming tight ...
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        Role of cultivation media in the development of yeast strains for large scale industrial use 

        Hahn-Hagerdal, Barbel; Karhumaa, Kaisa; Larsson, Christer U.; Gorwa-Grauslund, Marie; Gorgens, Johann; Van Zyl, Willem H. (BioMed Central, 2005-11)
        Abstract: The composition of cultivation media in relation to strain development for industrial application is reviewed. Heterologous protein production and pentose utilization by Saccharomyces cerevisiae are used to ...
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        Safety assessment of antibiotic and probiotic feed additives for Gallus gallus domesticus 

        Neveling, D. P.; Van Emmenes, L.; Ahire, J. J.; Pieterse, E.; Smith, C.; Dicks, L. M. T. (Nature Research, 2017)
        Antibiotics in feed select for resistant strains and is thus a threat to human health. In this study, the effect of a multi-strain probiotic and antibiotics on the growth and health of broilers was studied. Equal numbers ...
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        A simple method for the primary isolation of Mycobacterium in a carbon dioxide atmosphere 

        Horwitz, B. M.; Gultig, R. (Health & Medical Publishing Group, 1974)
        A simple, inexpensive method which provides increased CO2 tension for the primary isolation of mycobacteria is described. Using this technique, the primary isolation of mycobacteria from 1114 specimens of sputum, gastric ...
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        Special issue from the 20th International Symposium on Alcohol Fuels (ISAF 2013) : alcohol fuels enabling sustainable future development 

        Van Zyl, Willem Heber (BioMed Central, 2013-12)
        This Editorial introduces a special issue from the 20th International Symposium on Alcohol Fuels (ISAF 2013) on alcohol fuels enabling sustainable future development.
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        Species diversity of non-tuberculous mycobacteria isolated from humans, livestock and wildlife in the Serengeti ecosystem, Tanzania 

        Katale, Bugwesa Z.; Mbugi, Erasto V.; Botha, Louise; Keyyu, Julius D.; Kendall, Sharon; Dockrell, Hazel M.; Michel, Anita L.; Kazwala, Rudovick R.; Rweyemamu, Mark M.; Van Helden, Paul; Matee, Mecky I. (BioMed Central, 2014-11-18)
        Background: Non-tuberculous mycobacteria (NTM), which are ubiquitous micro-organisms occurring in humans, animals and the environment, sometimes receive public health and veterinary attention as opportunistic disease-causing ...
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        Strains of lactobacillus plantarum in grape must are also present in the intestinal tract of vinegar flies 

        Groenewald, W. H.; Van Reenen, C. A.; Dicks, L. M. T. (South African Society for Enology and Viticulture, 2006)
        Twenty-one lactic acid bacteria isolated from the intestinal tract of Drosophila simulans Stuvervant and nine from Merlot noir grapes were identified as L. plantarum by PCR with species-specific primers and 16S rDNA ...
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        Taxonomic status of lactic acid bacteria in wine and key characteristics to differentiate species 

        Dicks, L. M. T.; Endo, A. (SASEV, 2009)
        Oenococcus oeni is the best malolactic bacterium adapted to low pH and the high SO2 and ethanol concentrations in wine. Leuconostoc mesenteroides and Leuconostoc paramesenteroides (now classified as Weissella paramesenteroides) ...
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        Die uitwerking van die onkruiddoder Roundup op sommige populasies van grondmikrobes 

        Marais, Anelia; Ferreira, Michael I.; Booyse, Marde; Botha, Alfred (AOSIS PublishingPublisher's versionAuthor retains copyright, 2011-09)
        Die glifosaatbevattende onkruiddoder, Roundup®, word wêreldwyd vir onkruidbeheer gebruik. Alhoewel hierdie onkruiddoder beskou word as ‘n lae-toksiese (en dus veilige) produk, heers daar tog kommer oor die langdurige ...
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        Utilising Grape Pomace for Ethanol Production 

        Korkie, L. J.; Janse, B. J. H.; Viljoen-Bloom, M. (South African Society for Enology and Viticulture, 2002)
        Chemical analyses of grape pomace revealed the presence of significant amounts of fermentable sugars that are retained in the pomace after pressing of the grapes. Furthermore, treatment of the pomace with purified hydrolases ...
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        Variants of lipopeptides and glycolipids produced by Bacillus amyloliquefaciens and Pseudomonas aeruginosa cultured in different carbon substrates 

        Ndlovu, Thando; Rautenbach, Marina; Khan, Sehaam; Khan, Wesaal (SpringerOpen, 2017)
        The quantitative and qualitative effect of water immiscible and miscible carbon-rich substrates on the production of biosurfactants, surfactin and rhamnolipids, by Bacillus amyloliquefaciens ST34 and Pseudomonas aeruginosa ...
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        Yeast infection in a beached southern right whale (Eubalaena australis) neonate 

        Mouton, Marnel; Reeb, Desray; Botha, Alfred; Best, Peter (Wildlife Disease Association, 2009)
        A female southern right whale (Eubalaena australis) neonate was found stranded on the Western Cape coast of southern Africa. Skin samples were taken the same day from three different locations on the animal’s body and ...

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