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  • enzyme
  • High purity α-Xylosidase ( Escherichia coli ) for use in research, biochemical enzyme assays and in vitro diagnostic analysis. (megazyme.com)
  • One Unit of α-xylosidase activity is defined as the amount of enzyme required to release one µmole of xylose per minute from isoprimeverose (10 mg/ mL) in Gly-Gly (100 mM) (1 mM) at pH 7.0 at the temperature indicated. (megazyme.com)
  • Since the genealogical divergence of M. graminicola from these latter species coincided with the onset of agriculture, we hypothesize that the recent domestication of the host plant and-or agricultural practices triggered positive selection in β-xylosidase and that this enzyme played a key role in the emergence of a host-specialized pathogen. (duhnnae.com)
  • unit
  • One xylosidase unit will produce 1 μmole of o-nitrophenol per minute at 70°C from a 1mM solution of o-nitrophenyl-β-xyloside in 50 mM sodium acetate at pH 5.8. (creative-enzymes.com)
  • five
  • Analyses of five PCWDEs demonstrated that one β-xylosidase has been under strong positive selection and experienced an accelerated rate of evolution. (duhnnae.com)