Cryptococcus neoformans and Histoplasma capsulatum in dove's (Columbia livia) excreta in Bolívar state, Venezuela.
نویسندگان
چکیده
Dove's excreta samples from state Bolívar several places in Venezuela, were evaluated to determine the presence of primary pathogen fungi in dove's excreta. Filamentous fungi such as: Aspergillus spp (31.1%), Mucor spp (20.2%), Penicillium spp (9.5%) and Fusarium spp (6.7%) were the most frequently isolated strains. Species such as Candida albicans (4.1%), Cryptococcus albidus and Rhodotorula spp (2.7%), C. neoformans var neoformans (1.4%), Trichosporum asahii (1.4%), Curvularia, Microsporum and Phoma as well as Histoplasma capsulatum (1.3%) were less frecuently isolated. This study shows the presence of C. neoformans and H. capsulatum in dove's excreta from Bolívar state, it remarks infection risk with these pathogens fungi and the necessity to avoid accumulation of dove's excreta.
منابع مشابه
Evaluation of Gen-Probe's Histoplasma capsulatum and Cryptococcus neoformans AccuProbes.
Gen-Probe's DNA probes were evaluated for use in the identification of clinical isolates of Histoplasma capsulatum var. capsulatum and Cryptococcus neoformans. Ninety-five mould-phase fungi were probed, including 41 isolates of H. capsulatum var. capsulatum. Similarly, 98 yeasts, including 42 C. neoformans isolates, were examined by using the C. neoformans DNA probe. In the study, both probes d...
متن کاملMelanization of Cryptococcus neoformans and Histoplasma capsulatum reduces their susceptibilities to amphotericin B and caspofungin.
The fungal pathogens Cryptococcus neoformans and Histoplasma capsulatum produce melanin-like pigments in the presence of L-dopa in vitro and during mammalian infection. We investigated whether melanization affected the susceptibilities of the fungi to amphotericin B, caspofungin, fluconazole, itraconazole, or flucytosine (5FC). Using the standard macrodilution MIC protocol (the M27A protocol) o...
متن کاملPCR assay for identification of histoplasma capsulatum based on the nucleotide sequence of the M antigen.
The major diagnostic antigens of Histoplasma capsulatum var. capsulatum are the H and M antigens, pluripotent glycoproteins that elicit both humoral and T-cell-mediated immune responses. The gene encoding the M antigen has previously been sequenced, and its sequence has significant overall homology to those of the genes for fungal catalases. Regions of the M-antigen gene with little or no homol...
متن کاملCryptococcal glucoxylomannan does not exhibit cross-reactivity in the MVista Histoplasma antigen enzyme immunoassay.
The potential for cross-reaction between Cryptococcus neoformans and Histoplasma capsulatum in antigen assays was evaluated. We tested patient samples, spleens from infected mice, and purified polysaccharides in the MVista Histoplasma antigen enzyme immunoassay and cryptococcal antigen latex agglutination system for cross-reactivity, and none was observed.
متن کاملIsolation of Cryptococcus spp. and Histoplasma capsulatum from soil and Bird Droppings at Kulik Bird Sanctuary, Raiganj, West Bengal, India
Cryptococcosis is an acute, sub-acute or chronic fungal disease caused by an encapsulated basidiomycetous yeast belonging to the genus Cryptococcus (Jagdish Chander). It is among the most prevalent lifethreatening mycoses and has a worldwide distribution (Meyer et al., 2003). Among the many species of the genus “Cryptococcus” that are prevalent ubiquitously in environment, C. neoformans and C. ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید
ثبت ناماگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید
ورودعنوان ژورنال:
- Revista latinoamericana de microbiologia
دوره 48 1 شماره
صفحات -
تاریخ انتشار 2006