The rocks of the Carboniferous to Jurassic aged main Karoo Supergroup of South Africa preserve an internationally significant and stratigraphically continuous retro-arc foreland depositional sequence. This succession documents ...

Phenylalanine 51 (F51) in the human class alpha GST forms part of a hydrophobic lockand- key intersubunit motif at the dimer interface. Protein engineering techniques were used to replace the phenylalanine key with serine. ...

ARR is an antibiotic resistance protein found in Mycobacterium smegmatis with several homologues in other species and genera. ARR inactivates rifampicin through the transfer of an ADP-ribose group from NAD+ to C23 of ...

Bioremediation tends to be an effective technology, used to remove pollutants and it involves relatively little capital. Microorganisms, especially bacteria, evolving into many types with exceedingly diverse metabolic ...

Many strains of Gram-negative bacteria, such as Pseudomonas, are able to utilize a variety of unusual chemicals, including a wide range or aromatic hydrocarbons and their derivatives for growth. Bacteria with the potential ...

Second International Conference on African Digital Libraries and Archives, biographical notes on presenters

Biological production of hydrogen gas has received increasing interest from the international community during the last decade. Most studies on biological fermentative hydrogen production from carbohydrates using mixed ...

ABSTRACT Twenty essential oil constituents (EOC′s) from seven structural groups were tested for their antimalarial, antimicrobial (both bacterial and fungal), anti-oxidant, anticholinesterase and toxicity properties. To ...

Plant extracts contain compounds, which are anti-cancer agents, that possess anti-tumour activity. Most of these compounds are known to hinder the activation of cell cycle and induce cell death. During various types of ...

The production of H2 was monitored using an automated, semi-continuously fed anaerobic fluidised bed bioreactor containing 2 facultatively anaerobic bacteria, Enterobacter cloacae (E. cloacae Ecl) and Citrobacter freundii ...