Browsing Department of Microbiology by Title

Safety of antibiotic and probiotic feed additives for Gallus gallus domesticus

Neveling, Deon Pieter (Stellenbosch : Stellenbosch University, 2018-09-05)

ENGLISH ABSTRACT: The inclusion of antibiotics in broiler feed is of great concern, as many resistant pathogenic bacteria may spread to other farming animals and humans. Alternative methods are thus required to improve ...

The search for a biological control agent to control invasive Polistes dominula wasps in the Western Cape region, South Africa

Mhlongwe, Thobeka Rita (Stellenbosch : Stellenbosch University, 2018-03)

ENGLISH ABSTRACT: Polistes dominula (Christ) (Hymenoptera: Vespidae: Polistinae), also known as the European paper wasp is globally notorious as a highly invasive wasp, and invaded and established itself in five continents, ...

Selection of probiotic lactic acid bacteria for horses based on in vitro and in vivo studies

Botha, Marlie (Stellenbosch : Stellenbosch University, 2011-12)

ENGLISH ABSTRACT: The equine gastro-intestinal tract (GIT) is a relatively unexplored niche concerning the presence of natural microbiota. Studies have shown that disruption of the microbial population naturally present ...

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 ...

Soil microbial communities associated with two commercially important plant species indigenous to the fynbos region of South Africa : cyclopia spp. (honeybush) and Aspalathus linearis (rooibos)

Postma, Anneke (Stellenbosch : Stellenbosch University, 2016-12)

ENGLISH ABSTRACT: The Cape Floristic Region (CFR) is characterized by nutrient poor soils which forged close symbiotic ties between plants and soil microorganisms for nutrient acquisition. Aspalathus linearis and Cyclopia ...

Soil stabilization by microbial activity

Paulse, Arnelia N. (Arnelia Natalie) (Stellenbosch : Stellenbosch University, 2003-03)

ENGLISH ABSTRACT: Microorganisms play an important role in the stability and maintenance of the ecosystem and in the condition of the soil. However, in their natural environment, microorganisms often experience changing ...

Soil yeasts, mycorrhizal fungi and biochar: their interactions and effect on wheat (Triticum aestivum L.) growth and nutrition

Moller, Leandra (Stellenbosch : Stellenbosch University, 2012-03)

ENGLISH ABSTRACT: In order to test the effect of different plant growth-promoting strategies on Triticum aestivum L. (wheat), we investigated the ability of biochar and a grain-associated soil yeast, to improve the growth ...

Some important developments in biomining during the past thirty years

Rawlings, Douglas E (Central South University Press, Lushan South Road 932, 410083 Changsha, Hunan Province, PR China, 2011-09)

A selection of significant discoveries in the general field of biomining over the past thirty years with which the author has been directly or indirectly involved will be reviewed. Early steps in the development of the ...

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.

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 ...

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 ...

Strains of the crown gall pathogen, Agrobacterium tumefaciens, and their biological control in South Africa

Van Zyl, F. G. H. (Frederik Gerhardus Heremias) (Stellenbosch : Stellenbosch University, 1989-03)

No abstract available.

Stress markers as indicators of fermentative ability of a Saccharomyces cerevisiae brewery strain

Boudler, Sabrina (Stellenbosch : University of Stellenbosch, 2011-10)

ENGLISH ABSTRACT: In the brewing industry yeast cells are re-used in successive fermentations. Consequently, the state of the cells at the end of each successive fermentation could impact on the quality of the subsequent ...

Studies on regulation of the plantaricin 423 gene

Cohen, Francisca (Stellenbosch : Stellenbosch University, 2004-12)

ENGLISH ABSTRACT: Lactic acid bacteria play an essential role in the majority of fermented foods by producing organoleptic compounds and increasing the shelf life. The best-studied antimicrobial compounds are bacteriocins, ...

Survival of probiotic lactic acid bacteria in the intestinal tract, their adhesion to epithelial cells and their ability to compete with pathogenic microorganisms

Botes, Marelize (Stellenbosch : Stellenbosch University, 2008-03)

ENGLISH ABSTRACT: Research on probiotics has increased over the past years, which led to commercialization of a number of probiotic supplements and functional foods. In vitro assays such as tolerance to acid and bile, ...