Browsing Research Articles (IMBM) by Title

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Browsing Research Articles (IMBM) by Title

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  • Bustard, Mark T.; Whiting, Samantha; Cowan, Donald A.; Wright, Phillip C. (Springer Verlag, 2002)
    The aerobic biodegradation of high-concentration, to 24 g l –1 , 2-propanol (IPA) by a thermophilic isolate ST3, identified as Bacillus pallidus , was successfully carried out for the first time. This solvent-tolerant B. ...
  • Musingarimi, Wicleffe; Tuffin, I. Marla; Cowan, Donald A. (Academy of Science of South Africa, 2010)
    An arsenic resistant Bacillus sp. UWC was isolated from fly ash acid mine drainage (FA-AMD) neutralised solids. A genomic library was prepared and screened in an arsenic sensitive mutant Escherichia coli strain for the ...
  • Ah Tow, Lemese; Cowan, Donald A. (Springer Verlag, 2005)
    Continental Antarctic is perceived as a largely pristine environment, although certain localized regions (e.g., parts of the Ross Dependency Dry Valleys) are relatively heavy impacted by human activities. The procedures ...
  • Wilkinson, Dianne E.; Jaenicke, Thomas; Cowan, Donald A. (Kluwer Academic Publishers, 2002)
    An efficient and simple method for constructing an environmental library using mechanically sheared DNA obtained directly from geothermal sediments is presented. The method is based on blunt-end modification of DNA fragments ...
  • Cowan, Donald A.; Ah Tow, Lemese (Annual Reviews, 2004)
    The Antarctic continent harbors a range of specialized and sometimes highly localized microbial biotopes. These include biotopes associated with desiccated mineral soils, rich ornithogenic soils, glacial and sea ice, ...
  • Sjoling, Sara; Cowan, Donald A. (Springer Verlag, 2003)
    The microbial diversity in maritime meltwater pond sediments from Bratina Island, Ross Sea, Antarctica was investigated by 16S rDNA-dependent molecular phylogeny. Investigations of the vertical distribution, phylogenetic ...
  • Cowan, Donald A.; Arslanoglu, A.; Burton, Stephanie; Cameron, Rory A.; Baker, Gillian; Smith, Jacques J.; Meyer, Quinton (Portland Press, 2004)
    With the rapid development of powerful protein evolution and enzyme-screening technologies, there is a growing belief that optimum conditions for biotransformation processes can be established without the constraints of ...
  • Ah Tow, Lemese; Cowan, Donald A. (Society for General Microbiology, 2003)
    Our results allow us to conclude that there appears to be significant conservation between the tuf genes of Planococcus, Planomicrobium and Staphylococcus spp., and that although the primer set TstaG422/TStag765 has ...
  • Baker, Gillian; Ah Tow, Lemese; Cowan, Donald A. (Elsevier, 2003)
    PCR-based technologies are widely employed for the detection of specific microorganisms, and may be applied to the identification of non-indigenous microorganisms in ‘pristine’ environments. For ‘pristine’ environments ...
  • Cowan, Donald A.; Sayed, Muhammed F.; Tsekoa, Tsepo L.; Cameron, Rory A.; Sewell, B. Trevor (Academy of Science of South Africa (ASSAf), 2004)
    Microbial nitrile hydratases are important industrial enzymes that catalyse the conversion of nitriles to the corresponding amides. Bacillus strain RAPc8 nitrile hydratase has recently been cloned and functionally ...
  • Baker, Gillian; Smith, J.J.; Cowan, Donald A. (Elsevier, 2003)
    The Polymerase Chain Reaction (PCR) has facilitated the detection of unculturable microorganisms in virtually any environmental source and has thus been used extensively in the assessment of environmental microbial diversity. ...
  • Burton, Stephanie; Cowan, Donald A.; Woodley, John M. (Nature Publishing Group, 2002)
    While the use of enzymes as biocatalysts to assist in the industrial manufacture of fine chemicals and pharmaceuticals has enormous potential, application is frequently limited by evolution-led catalyst traits. The advent ...
  • Pagaling, Eulyn; Haigh, Richard D.; Grant, William D.; Cowan, Donald A.; Jones, Brian; Ma, Yanhe; Ventosa, Antonio; Heaphy, Shaun (BioMed Central, 2007)
    Background: We are profoundly ignorant about the diversity of viruses that infect the domain Archaea. Less than 100 have been identified and described and very few of these have had their genomic sequences determined. ...
  • Kimani, Serah W.; Agarkar, Vinod B.; Cowan, Donald A.; Sayed, Muhammed F.; Sewell, B. Trevor (International Union of Crystallography, 2007)
    The amidase from Geobacillus pallidus RAPc8, a moderate thermophile, is a member of the nitrilase superfamily and catalyzes the conversion of amides to the corresponding carboxylic acids and ammonia. It shows both ...
  • Cowan, Donald A. (Elsevier, 2004)
    The newly isolated hyperthermophilic archaeal strain 121 grows slowly at 121 8C and even survives short periods at 130 8C. This is another organism that grows best at temperatures well in excess of 100 8C! We should not ...

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