Browsing Institute for Microbial Biotechnology & Metagenomics by Author "Cowan, Donald A."
Now showing items 21-25 of 25
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Selection of diazotrophic bacterial communities in biological sand filter mesocosms used for the treatment of phenolic-laden wastewater
Ramond, Jean-Baptiste; Welz, Pamela J.; Tuffin, Marla I.; Burton, Stephanie G.; Cowan, Donald A. (Springer Verlag, 2013)Agri effluents such as winery or olive mill waste-waters are characterized by high phenolic concentrations. These compounds are highly toxic and generally refractory to biodegradation. Biological sand filters (BSFs) represent ... -
Sequence analysis of an Archaeal virus isolated from a hypersaline lake in Inner Mongolia, China
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. ... -
Structure and functional characterization of pyruvate decarboxylase from Gluconacetobacter diazotrophicus
van Zyl, Leonardo Joaquim; Schubert, Wolf-Dieter; Tuffin, Marla I.; Cowan, Donald A. (BioMed Central, 2014)BACKGROUND: Bacterial pyruvate decarboxylases (PDC) are rare. Their role in ethanol production and in bacterially mediated ethanologenic processes has, however, ensured a continued and growing interest. PDCs from ... -
Structure of an aliphatic amidase from Geobacillus pallidus RAPc8
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 ... -
The upper temperature for life – where do we draw the line?
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 ...