Browsing by Author "Van Schalkwyk, Antoinette"

Now showing 1 - 2 of 2
  • Thumbnail Image
    Item
    Characterization and engineering of Bacillus megaterium AS-35, for use in biodegradation of processed olive wastewater
    (University of Western Cape, 2005) Van Schalkwyk, Antoinette; Cowan, Don A
    The popularization and health benefits associated with the "Mediterranean diet" saw a world wide increase in the production and consumption of processed olives and olive oil. During the brining of table olives large quantities of processed olive waste water is seasonally generated. This blackish-brown, malodours liquid is rich in organic and phenolic compounds, which cause environmental problems upon discarding. Currently, processed wastewater is discarded into large evaporation ponds where it poses serious environmental risks. The biodegradation of organic substrates present in the olive wastewater is inhibited by the high concentrations of phenolic compounds.
  • Thumbnail Image
    Item
    Genetic characterization of the central variable region in African swine fever virus isolates in the Russian federation from 2013 to 2017
    (MDPI, 2022) Mazloum, Ali; Van Schalkwyk, Antoinette; Chernyshev, Roman
    African swine fever virus (ASFV), classified as genotype II, was introduced into Georgia in 2007, and from there, it spread quickly and extensively across the Caucasus to Russia, Europe and Asia. The molecular epidemiology and evolution of these isolates are predominantly investigated by means of phylogenetic analysis based on complete genome sequences. Since this is a costly and timeconsuming endeavor, short genomic regions containing informative polymorphisms are pursued and utilized instead. In this study, sequences of the central variable region (CVR) located within the B602L gene were determined for 55 ASFV isolates submitted from 526 active African swine fever (ASF) outbreaks occurring in 23 different regions across the Russian Federation (RF) between 2013 and 2017. The new sequences were compared to previously published data available from Genbank, representing isolates from Europe and Asia. The sequences clustered into six distinct groups.