"d. salina" and "d. bardawil"  are also widely studied and currently used in biopharmaceuticals. an example includes nuclear transformations that led to the production hbsag protein. this protein has significant epidemiologic importance to the hepatitis b virus as well as the potential of being carrier of epitopes for many other pathogens. "dunaliella" is also used in the context of medicine for asthma, eczema, cataracts, and even cancer.