NCIt definition : A species of achlorophyllous, spherular green alga that grows in aggregates with multiple
internal cleavages, in the phylum Chlorophyta. This alga is non-spore forming, non-fermentative,
metabolizes glucose, galactose and trehalose, does not utilize potassium nitrate,
and reproduces asexually by internal septation and cleavage. P. wickerhamii are found
saprophytically on decaying organic matters and can cause protothecosis and systemic
algaemia in humans.;
Alternative definition : CDISC: Any algal organism that can be assigned to the species Prototheca wickerhamii.;