References
- Pinner RW, Hajjeh RA, Powderly WG. Prospects for prevent-ing cryptococcosis in persons infected with human immunode-ficiency virus. Clin Infect Dis 1995; 21 Suppl 1: S103–107.
- Spitzer ED, Spitzer SG, Freundlich LF, Casadevall A. Persis-tence of initial infection in recurrent Cryptococcus neoformans meningitis. Lancet 1993; 341: 595–596.
- Buchanan KL, Murphy JW. What makes Cryptococcus neofor-mans a pathogen? Emerg Infect Dis 1998; 4: 71–83.
- Cox GM, Mukherjee J, Cole GT, Casadevall A, Perfect JR. Urease as a virulence factor in experimental cryptococcosis. Infect Immun 2000; 68: 443–448.
- Chen SC, Muller M, Thou JZ, Wright LC, Sorrell TC. Phospholipase activity in Cryptococcus neoformans: a new virulence factor? J Infect Dis 1997; 175: 414–420.
- Chaturvedi V, Flynn T, Niehaus WG, Wong B. Stress tolerance and pathogenic potential of a mannitol mutant of Cryptococcus neoformans. Microbiology 1996; 142: 937–943.
- Perfect JR, Toffaletti DL, Rude TH. The gene encoding phosphoribosylaminoimidazole carboxylase (ADE 2) is essen-tial for growth of Cryptococcus neoformans in cerebrospinal fluid. Infect Immun 1993; 61: 4446–4451.
- Varma A, Edman JC, Kwon-Chung KJ. Molecular and genetic analysis of URA 5 transformants of Cryptococcus neoformans. Infect Immun 1992; 60: 1101–1108.
- Williamson PR, Wakamatsu K, Ito S. Melanin biosynthesis in Cryptococcus neoformans. J Bacteriol 1998; 180: 1570–1572.
- Silver JM, Eaton NR. Functional blocks of the ad-1 and ad-2 mutants of Saccharomyces cerevisiae. Biochem Biophys Res Commun 1969; 34: 301–305.
- Kwon-Chung KJ, Bennett JE. Distribution of alpha and a mating types of Cryptococcus neoformans among natural and clinical isolates. Am J Epidemio11978; 108:337–340.
- Sudarshan S, Davidson RC, Heitman J, Alspaugh JA. Molecular analysis of the Cryptococcus neoformans ADE 2 gene, a selectable marker for transformation and gene disruption. Fungal Genet Biol 1999; 27: 36–48.
- Kirsch DR, Witney RR Pathogenicity of Candida albicans auxotrophic mutants in experimental infections. Infect Immun 1991; 59: 3297–3300.
- Woods RA. Response of ad-2 mutants of Saccharomyces cerevisiae to carbon dioxide. Mol Gen Genet 1969; 105: 314–316.
- Kwon-Chung KJ, Bennett JE (eds). Medical Mycology. 2nd edn. Philadelphia, PA, USA: Lea and Febiger, 1992.