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Campo DC | Valor | Idioma |
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dc.contributor.author | Pera?oli, Maria Terezinha Serrão | - |
dc.contributor.author | Sugizaki, Maria Fátima | - |
dc.contributor.author | Mendes, Rinaldo Pôncio | - |
dc.contributor.author | Naiff, Roberto Daibes | - |
dc.contributor.author | Montenegro, Mário Rubens Guimarães | - |
dc.date.accessioned | 2020-06-15T22:06:15Z | - |
dc.date.available | 2020-06-15T22:06:15Z | - |
dc.date.issued | 1999 | - |
dc.identifier.uri | https://repositorio.inpa.gov.br/handle/1/19199 | - |
dc.description.abstract | Isolates of Paracoccidioides brasiliensis may vary in virulence according to time of in vitro subcultivation. The present study compared the morphology and pathogenicity to hamsters of two P. brasiliensis isolates: one obtained from human lesions and maintained in the laboratory for several years (Pb-18) and the other isolate recovered from hamsters inoculated with organ homogenates from armadillos (Pb-T). The microscopic morphology of Pb-18 and Pb-T showed yeast cells with similar diameter. However, Pb-T produced a significantly higher number of buds per mother cell than Pb-18. Besides, the mycelial form of Pb-T developed abundant sporulation during 8 weeks of culture which was absent in the Pb-18 isolate. Virulence studies demonstrated that mortality rates, antibody levels, fungal load and extent of lesions in the organs were significantly higher in animals infected with Pb-T. The results demonstrated that Pb-T recently isolated from an animal was more virulent than Pb-18. These differences between the two P. brasillensis isolates may be indicators of virulence attenuation in this fungal species. | en |
dc.language.iso | en | pt_BR |
dc.relation.ispartof | Volume 148, Número 3, Pags. 123-130 | pt_BR |
dc.rights | Restrito | * |
dc.subject | Fungus Antibody | en |
dc.subject | Animals | en |
dc.subject | Armadillo | en |
dc.subject | Blood | en |
dc.subject | Female | en |
dc.subject | Hamster | en |
dc.subject | Human | en |
dc.subject | Immunology | en |
dc.subject | Lung | en |
dc.subject | Male | en |
dc.subject | Microbiology | en |
dc.subject | Paracoccidioides | en |
dc.subject | Pathogenicity | en |
dc.subject | South American Blastomycosis | en |
dc.subject | Syrian Hamster | en |
dc.subject | Virulence | en |
dc.subject | Animal | en |
dc.subject | Antibodies, Fungal | en |
dc.subject | Armadillos | en |
dc.subject | Cricetinae | en |
dc.subject | Female | en |
dc.subject | Humans | en |
dc.subject | Lung | en |
dc.subject | Male | en |
dc.subject | Mesocricetus | en |
dc.subject | Paracoccidioides | en |
dc.subject | Paracoccidioidomycosis | en |
dc.subject | Virulence | en |
dc.subject | Animalsia | en |
dc.subject | Armadillo | en |
dc.subject | Cricetinae | en |
dc.subject | Dasypodidae | en |
dc.subject | Fungi | en |
dc.subject | Mesocricetus Auratus | en |
dc.subject | Paracoccidioides Brasiliensis | en |
dc.title | Paracoccidioides brasiliensis isolated from armadillos is virulent to Syrian hamsters | en |
dc.type | Artigo | pt_BR |
dc.identifier.doi | 10.1023/A:1007119403572 | - |
dc.publisher.journal | Mycopathologia | pt_BR |
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