| histoplasma capsulatum variety duboisii isolated in japan from an hiv-infected ugandan patient. | a strain of histoplasma capsulatum var. duboisii (deposited as ifm 50954 in chiba university) was isolated from the cerebrospinal fluid of a female ugandan patient infected with hiv. the isolate had in vitro urease activity on christensen's urea agar slants, although the common belief is that h. capsulatum var. duboisii is urease negative, and is, considered one of the characteristic markers that distinguishes the three varieties of h. capsulatum. forty h. capsulatum var. capsulatum, five h. cap ... | 2003 | 14615797 |