Guinea, J. and Hagen, F. and Pelaez, T. and Boekhout, T. and Tahoune, H. and Torres-Narbona, M. and Bouza, E. (2010) Antifungal susceptibility, serotyping, and genotyping of clinical Cryptococcus neoformans isolates collected during 18 years in a single institution in Madrid, Spain. Medical Mycology, 48, 942-948. ISSN 1369-3786.
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Official URL: http://dx.doi.org/10.3109/13693781003690067
We studied the serotypes, mating-types, AFLP genotypes, and antifungal susceptibility of 58 Cryptococcus neoformans strains causing 56 episodes of cryptococcosis in 55 patients over an 18-year period in a single institution. The underlying conditions of the patients were classified as HIV infection (n = 48) or non-HIV-related immunodeficiency (n = 7). Serotype A (n = 34; 58.9%) predominated, but serotype AD was involved in 23.2% of episodes. Most of the episodes were caused by mating-type a (n = 41; 73.2%) or alpha/a strains (n = 12; 21.5%). The most common genotype was AFLP1 (n = 26; 44.8%), followed by AFLP3 (n = 21; 36.2%), and AFLP2 (n = 11; 19.0%). In two different patients, we showed the coexistence of different serotypes and/or genotypes in the same episode (AFLP1 and 3). The new triazoles voriconazole, posaconazole and isavuconazole showed high and similar antifungal activity (MICs <= 0.125 mu g/ml). Fluconazole also had good antifungal activity, but two strains from patients with HIV-infections had an MIC of 16 mu g/ml (3.4%). However, these two isolates remained very susceptible to the new triazoles (MICs <= 0.062 mu g/ml). The remaining strains always showed MICs <= 8 mu g/ml.
|Institutes:||Centraalbureau voor Schimmelcultures (CBS)|
|Deposited On:||24 Jan 2011 01:00|
|Last Modified:||17 Nov 2011 10:23|
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