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The possible role of the oxidative pentose phosphate pathway in seed dormancy in winter wheat cultivars
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A. Barnard --- , South Africa J.C. Pretorius --- Department of Agronomy, South AfricaSeed dormancy is an important characteristic in small grain cultivars, because of its potential to prevent preharvest sprouting and the subsequent loss of quality. In this study the oxidative pentose pathway (OPP) activity in seeds of a preharvest sprouting susceptible... -
ECOLOGICAL PROBLEMS IN HARTBEESPOORT DAM
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: AndrewC. Jarvis --- National Institute for Water Research,In Hartbeespoort Dam ecological problems arise primarily as a consequence of the reservoir's hypertrophic condition. The development of anaerobic conditions, high primary productivity and blue-green algal dominance have many detrimental influences on ecosystem structure and function. With high rates of... -
Insulin resistance induced by antiretroviral drugs: Current understanding of molecular mechanisms
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: WIW Ismail --- Division of Chemical Pathology, Department of Clinical Laboratory Sciences, JA King --- Division of Chemical Pathology, Department of Clinical Laboratory Sciences, TS Pillay --- Division of Chemical Pathology, Department of Clinical Laboratory Sciences,The increase in incidence of HIV infection continues to be a major public health problem across the world, but more especially in sub-Saharan Africa. Treatment with highly active antiretroviral therapy (HAART) has improved the prognosis of patients with AIDS, but... -
A medical audit of the management of cryptococcal meningitis in HIV-positive patients in the Cape Winelands (East) district, Western Cape
Item type: Journal Article • Journal: South African Family Practice • Authors: KB Von Pressentin --- Langeberg Sub-District, Cape Winelands District, HH Conradie --- Division of Family Medicine and Primary Care, Faculty of Medicine and Health Sciences, R Mash --- Division of Family Medicine and Primary Care, Faculty of Medicine and Health Sciences,Background: Cryptococcal meningitis (CM) has become the most common type of community-acquired meningitis. CM has a poor outcome if the initial in-hospital treatment does not adhere to standard guidelines. The aim of this audit was to improve the quality of... -
Origin and putative colonization routes for invasive rodent taxa in the Democratic Republic of Congo
Item type: Journal Article • Journal: African Zoology • Authors: P. K. Kaleme --- Department of Botany and Zoology, South Africa J. M. Bates --- Department of Zoology, U.S.A. H. K. Belesi --- Department of Environment, Democratic Republic of Congo R. C. K. Bowie --- Museum of Vertebrate Zoology and Department of Integrative Biology, U.S.A. M. Gambalemoke --- Faculté des Sciences, Université de Kisangani, Democratic Republic of Congo J. Kerbis-Peterhans --- Department of Zoology, U.S.A. J. Michaux --- University of Liège, Belgium J. M. Mwanga --- Centre de Recherche en Sciences Naturelles, Democratic Republic of Congo B. R. Ndara --- Centre de Recherche en Sciences Naturelles, Democratic Republic of Congo P. J. Taylor --- Department of Ecology and Resource Management, South Africa B. Jansen van Vuuren --- Department of Botany and Zoology, South AfricaThe threat posed by biological invasions is well established. An important consideration in preventing the spread of invasives and also subsequent introductions lies in understanding introduction pathways. The Democratic Republic of the Congo (DRC) houses a large percentage of the... -
Pathways to mental health care by members of a rural community in South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Mmatlou Shai --- Department of Psychology, South Africa Tholene Sodi --- Department of Psychology, South AfricaThis study explored mental health help seeking pathways followed by Black South African rural community dwellers in the Limpopo province of South Africa. Ten participants (5 females and 5 males) aged between 18 and 59 years receiving services from a... -
Influences on help-seeking pathways among people with chronic illness and disease in a rural South African community
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Tholene Sodi --- Department of Psychology, South Africa Takalani Phethi --- Department of Psychology, South AfricaThe study sought to explore influences on help-seeking pathways followed by patients with chronic illness and disease (CID) in a rural community of the Limpopo Province, South Africa. The sample consisted of ten people with CID (female = 6; age... -
Freshwater crayfish invasions in South Africa: past, present and potential future
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: AL Nunes --- Centre for Invasion Biology, Department of Botany and Zoology, South Africa TA Zengeya --- Centre for Invasion Biology, South Africa GJ Measey --- Centre for Invasion Biology, Department of Botany and Zoology, South Africa OLF Weyl --- Centre for Invasion Biology, South AfricaFreshwater crayfish invasions have been studied around the world, but less so in Africa, a continent devoid of native freshwater crayfish. The present study reviews historical and current information on alien freshwater crayfish species introduced into South Africa and aims... -
Pathways to flourishing among pharmacy students: The role of study demands and lecturer support
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Mariëtta J Basson --- Optentia Research Focus Area, South Africa Sebastiaan Rothmann --- Optentia Research Focus Area, South AfricaThis study investigated possible pathways to flourishing among pharmacy students attending a South African university (N = 799; females = 81.6%; Afrikaans-speakers = 84.7%, mean age = 20.42 years, SD = 2.25 years). The students completed the Mental Health Continuum... -
Current and potential threat of psyllids (Hemiptera: Psylloidea) on eucalypts
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Privilege T Makunde --- , South Africa Bernard Slippers --- , South Africa Daniel Burckhardt --- , Switzerland Dalva L de Queiroz --- , Brazil Simon A Lawson --- , Australia Brett P Hurley --- , South AfricaThe introduction of Australian psyllids to non-native ranges across the globe is continually increasing. This is due to an increase in global trade and human movement, exacerbated by climate change. Several psyllids have been recorded as pests of eucalypts in... -
The wheat curl mite (Aceria tosichella, Prostigmata: Eriophyidae) could establish in South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Tamryn S Venter --- , South Africa Mark P Robertson --- , South Africa Davina L Saccaggi --- , South Africa Katelyn T Faulkner --- , South AfricaBiological invasions by agricultural pests can have serious negative impacts, including decreases in crop yield and economic losses. The MT-1 and MT-8 genotypes of the wheat curl mite (Aceria tosichella) (hereafter ‘WCM’ refers to these two genotypes) are globally distributed... -
Appropriateness of diabetic down-referral letters to primary healthcare clinics in the uMgungundlovu district municipality of KwaZulu-Natal
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: NG McGrath --- , South Africa S Pillay --- , South Africa -
Impact of climate change on the distribution of the invasive water hyacinth in Ethiopia
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Abdulbasit Hussein --- School of Natural Resources Management and Environmental Sciences, College of Agriculture and Environmental Sciences, Haramaya University, Ethiopia Solomon Estifanos --- School of Natural Resources Management and Environmental Sciences, College of Agriculture and Environmental Sciences, Haramaya University, Ethiopia Tolesa Negese --- School of Natural Resources Management and Environmental Sciences, College of Agriculture and Environmental Sciences, Haramaya University, EthiopiaThe introduction of exotic species poses one of the greatest threats to biodiversity globally. Water hyacinth is a dangerous invasive species that has harmed Ethiopia’s wetland ecology and economy. This research aims to evaluate the current distribution of water hyacinth... -
Investigating gene expression patterns involved in salinity tolerance mechanisms in Thinopyrum distichum
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Isabel M van der Watt --- , South Africa Nicholas C Le Maitre --- , South Africa Kishalya Haridass --- , South Africa Cecile Bester --- , South Africa Willem C Botes --- , South AfricaThinopyrum distichum (Thunb.) Á. Löve is a salt-tolerant, wheat wild relative native to the Western Cape and Eastern Cape coastal regions of South Africa; however, the mechanisms governing this species’ halophytic nature remain underexplored. RNA was extracted from root and...