Now showing items 41-50 of 61
AIDS defining lymphomas in the era of highly active antiretroviral therapy (HAART) - An African perspective
The intermediate to high grade B-cell non-Hodgkin lymphomas are now one of three malignant AIDS defining conditions. The others being Kaposi's sarcoma and cervical carcinoma. While co-infection with oncogenic agents including ...
Morphological and molecular characterization of Endophyllum species on perennial asteraceous plants in South Africa
Endophyllum osteospermi is an autoecious, endocyclic rust fungus, which has only been recorded on Chrysanthemoides monilifera ssp. monilifera (Asteraceae, Calendulae), a perennial woody shrub. Both organisms are indigenous ...
Phylogenetic relationships of the southern African freshwater crab fauna (Decapoda: Potamonautidae: Potamonautes) derived from multiple data sets reveal biogeographic patterning
The phylogenetic relationships among the southern African freshwater crab species were examined using partial sequence data from three mitochondrial genes (12S rRNA, 16S rRNA, and mtDNA COI) 26 morphological characters and ...
Molecular systematics of African 20-chromosome toads (Anura: Bufonidae)
Intrageneric lineages and the historical biogeography of toads, genus Bufo, are poorly resolved due to their conservative morphology, their highly conserved karyotypes (typically 2N=22), and erratic patterns of interspecific ...
Systematics and evolution of the subfamily Gerbillinae (Mammalia, Rodentia, Muridae)
Although they represent a quarter of the mammalian species, the evolutionary relationships among as well as within, the main murid lineages are still controversial. The subfamily Gerbillinae is no exception as previous ...
External genital human papillomavirus prevalence and associated factors among heterosexual men on 5 continents
Background. We examined the baseline prevalence of penile, scrotal, and perineal/perianal human papillomavirus (HPV) in heterosexual men (HM). We also evaluated baseline characteristics of HM to assess factors associated ...
Should active recruitment of health workers from sub-Saharan Africa be viewed as a crime?
[No abstract available]
The spectrum of anorectal malformations in Africa
Anorectal malformations (ARM) remain a significant birth defect with geographic variation in incidence, individual phenotypes and regional geographic subtypes. Although early studies indicated a low incidence in Black ...
Genome-wide analysis of the structure of the South African Coloured Population in the Western Cape
Admixed populations present unique opportunities to discover the genetic factors underlying many multifactorial diseases. The geographical position and complex history of South Africa has led to the establishment of the ...
Are Polymorphic Markers within the α-1-Antitrypsin Gene Associated with Risk of Human Immunodeficiency Virus Disease?
We sought to determine whether variants of the human α-1-antitrypsin (AAT) gene, also known as "PI," or "SERPINA1," are associated with human immunodeficiency virus (HIV) infection in 2 African-based populations from ...