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Browsing Research Articles (University of Pretoria) by UP Author "Ehlers, Marthie Magdaleen"
Now showing items 1-20 of 51
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Lowe, Michelle; Ehlers, Marthie Magdaleen; Ismail, Farzana; Peirano, Gisele; Becker, Piet J.; Pitout, Johann D.D.; Kock, Marleen M. (Frontiers Media, 2018-06-12)Acinetobacter baumannii is an opportunistic pathogen that is increasingly responsible for hospital-acquired infections. The increasing prevalence of carbapenem resistant A. baumannii has left clinicians with limited ...
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Omar, Shaheed Vally; Roth, Andreas; Ismail, Nazir Ahmed; Erasmus, Linda; Ehlers, Marthie Magdaleen; Kock, Marleen M.; Paulse, Nuraan; Said, H.M. (Halima Mohammed); Hoosen, Anwar Ahmed; Reischl, Udo (Public Library of Science, 2011-09-22)BACKGROUND: The LightCyclerH Mycobacterium Detection Kit based on real-time PCR technology for the detection of Mycobacterium tuberculosis, Mycobacterium avium and Mycobacterium kansasii was recently developed. This study ...
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Antibody recognition of an 18 KDa protein possibly involved in phosphate removal by activated sludge Erasmus, A.S.; Van Wyngaard, S.; Verschoor, Jan Adrianus; Ehlers, Marthie Magdaleen; Cloete, Thomas Eugene (Elsevier, 2000)Phosphate in wastewater effluent is implicated in eutrophication of water reserves. Enhanced biological phosphate removal by activated sludge is attributed to polyphosphate accumulating bacteria, which release phosphate ...
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Antimicrobial susceptibility patterns of Ureaplasma species and Mycoplasma hominis in pregnant women Redelinghuys, Mathys J.; Ehlers, Marthie Magdaleen; Dreyer, Andries W.; Lombaard, H.A.D.T. (Hennie); Kock, Marleen M. (BioMed Central, 2014-03)BACKGROUND : Genital mycoplasmas colonise up to 80% of sexually mature women and may invade the amniotic cavity during pregnancy and cause complications. Tetracyclines and fluoroquinolones are contraindicated in pregnancy ...
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Redelinghuys, Mathys J.; Ehlers, Marthie Magdaleen; Bezuidenhout, J.E.; Becker, Piet J.; Kock, Marleen M. (BMJ Publishing Group, 2017-09)OBJECTIVES : The purpose of this cross-sectional study was to assess Atopobium vaginae and Gardnerella vaginalis concentrations in pregnant women of different age groups, gestational age groups, vaginal flora categories ...
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Van Heerden, J.; Korf, Carla; Ehlers, Marthie Magdaleen; Cloete, Thomas Eugene (Water Research Council, 2002-07)Diversity and dynamics of microbial communities have been analysed by culture-dependant methods, which exclude the majority of fastidious microbes due to the selective nature of the media. Molecular methods have been used ...
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Van Heerden, J.; Ehlers, Marthie Magdaleen; Cloete, Thomas Eugene (Elsevier, 2001)In this study, different carbon source profiles were generated by inoculating Biolog GN microwell plates, with different dilutions of microbial communities from a number of activated sludge systems. This led to the successful ...
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Muller, Etienne E.; Ehlers, Marthie Magdaleen (Water Research Council, 2005-04)E. coli O157:H7 is recognised as an important human pathogen world-wide and has been associated with diseases such as haemorrhagic colitis (HC), haemolytic uraemic syndrome (HUS) and thrombotic thrombocytopaenic purpura ...
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Axelsson-Robertson, Rebecca; Loxton, Andre G.; Walzl, Gerhard; Ehlers, Marthie Magdaleen; Kock, Marleen M.; Zumla, Alimuddin; Maeurer, Markus; Scriba, Thomas Jens (Public Library of Science, 2013-03-26)
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Ehlers, Marthie Magdaleen; Cloete, Thomas Eugene (Elsevier, 1999)The bacterial community structure of phosphate removing activated sludge systems were compared. Samples were obtained from 21 different activated sludge systems, differing in design and phosphorus removal. Community ...
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Said, Halima Mohammed; Kock, Marleen M.; Ismail, Nazir Ahmed; Baba, Kamaldeen A.; Omar, Shaheed Vally; Osman, Ayman Gassim Elamin; Hoosen, Anwar Ahmed; Ehlers, Marthie Magdaleen (BioMed Central, 2012-12-22)BACKGROUND: The increasing problem of multi-drug-resistant (MDR) tuberculosis (TB) [ie resistant to at least isoniazid (INH) and rifampicin (RIF)] is becoming a global problem. Successful treatment outcome for MDR-TB depends ...
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Goolam Mahomed, Tanweer; Peters, Remco P.H.; Pretorius, G.H.J.; Mahomed, A. Goolam; Ueckermann, Veronica; Kock, Marleen M.; Ehlers, Marthie Magdaleen (BioMed Central, 2021-08-18)BACKGROUND : Targeted metagenomics and IS-Pro method are two of the many methods that have been used to study the microbiome. The two methods target different regions of the 16 S rRNA gene. The aim of this study was to ...
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Redelinghuys, Mathys J.; Ehlers, Marthie Magdaleen; Dreyer, Andries W.; Lombaard, H.A.D.T. (Hennie); Kock, Martha Magdalena (BioMed Central, 2013-09-30)BACKGROUND: Genital mycoplasmas are opportunistic bacteria that are associated with undesirable gynaecologic and reproductive events. Mycoplasmas are fastidious bacteria with increasing resistance to routine antimicrobials and ...
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Redelinghuys, Mathys J.; Ehlers, Marthie Magdaleen; Dreyer, Andries W.; Lombaard, H.A.D.T. (Hennie); Olorunju, Steve A.S.; Kock, Martha Magdalena (BMJ Publishing Group, 2015)OBJECTIVES : Pregnant women are especially at risk of developing complications when infected with reproductive tract infections (RTIs). The objective of this study was to determine the prevalence of bacterial vaginosis ...
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Ehlers, Marthie Magdaleen; Cloete, Thomas Eugene (Water Research Council, 1999-01)The diversity and dynamics of microbial communities of phosphorus-removing and non-phosphorus-removing activated sludge systems have mostly been analysed by culture-dependent methods. A more direct method is the isolation ...
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Geldenhuys, Janri; Rossouw, Theresa M.; Lombaard, Hendrik Andries; Ehlers, Marthie Magdaleen; Kock, Marleen M. (Frontiers Media, 2018-07-20)Preeclampsia is a pregnancy-specific disorder, of which one of its major subtypes, the placental subtype is considered a response to an ischemic placental environment, impacting fetal growth and pregnancy outcome. ...
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Schmidt, Tracy; Kock, Marleen M.; Ehlers, Marthie Magdaleen (American Dairy Science Association, 2015-09)The objectives of this study were to examine the diversity of Staphylococcus spp. recovered from bovine intramammary infections and humans working in close contact with the animals and to evaluate the susceptibility of ...
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Antiabong, John Francis; Kock, Marleen M.; Bellea, Ntombi M.; Ehlers, Marthie Magdaleen (Bentham Open, 2017)OBJECTIVES : Methicillin-resistant Staphylococcus aureus (MRSA) across the world often leave clinicians with little or no choice of treatment options. The multi-drug efflux (MDE) genes are bacterial survival mechanisms ...
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Geldenhuys, Janri; Redelinghuys, Mathys J.; Lombaard, Hendrik A.; Ehlers, M.M. (Marthie Magdaleen); Cowan, Don A.; Kock, Marleen M. (Frontiers Media, 2022-09-16)BACKGROUND : Changes in microbial communities are a known characteristic of various inflammatory diseases and have been linked to adverse pregnancy outcomes, such as preterm birth. However, there is a paucity of information ...
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Jung, Hyun-Sul; Ehlers, Marthie Magdaleen; Lombaard, Hennie; Redelinghuys, Mathys J.; Kock, Marleen M. (Taylor and Francis, 2017)Microorganisms in nature rarely exist in a planktonic form, but in the form of biofilms. Biofilms have been identified as the cause of many chronic and persistent infections and have been implicated in the etiology of ...
Now showing items 1-20 of 51