BACKGROUND:
Leishmania (Viannia) braziliensis is a parasite recognized as the most important etiologic agent of mucosal leishmaniasis (ML) in the New World. In Amazonia, seven different species of Leishmania, etiologic agents of human Cutaneous Leishmaniasis, have been described. Isolated cases of ML have been described for several different species of Leishmania: L. (V.) panamensis, L. (V.) guyanensis and L. (L.) amazonensis.
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Genetic response of Salmonella enterica serotype Enteritidis to thioridazine rendering the organism resistant to the agent.
Thioridazine (TZ)-induced accumulation of the universal efflux pump substrate ethidium bromide and its subsequent efflux by Salmonella strains with various degrees of overexpressed efflux pumps takes place automatically at pH 7.4, is independent of a metabolic source, is not affected by a proton ionophore and is precluded by palmitic acid.
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Molluscum contagiosum eyelid lesions in an HIV-patient
Molluscum contagiosum (MC) lesions on the face are mainly observed in HIV patients and are related to low CD4 cells counts. We report a 41-year-old female patient infected with human immunodeficiency virus who had a CD4 count of 22 cells/mm³. She developed molluscum contagiosum lesions at the right upper eyelid. Skin biopsy was performed to exclude other serious conditions, such as dimorphic fungal infections.
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Immune reactivity to dengue and Aedes albopictus mosquitoes in the population from Macao, China, before dengue occurrence.
A serological survey was conducted in Macao, China, in 753 individuals, with the objective of looking for antibodies to the mosquito, Aedes albopictus (Skuse 1894) (Diptera: Culicidae), and to dengue, before the occurrence of any autochthonous dengue cases.
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The 13th International Workshops on Opportunistic Protists (IWOP13)
The 13th International Workshops on Opportunistic Protists (IWOP-13) was held November 13-15, 2014 in Seville, Spain. The objectives of the IWOP meetings are to: (1) serve as a forum for exchange of new information among active researchers concerning the basic biology, molecular genetics, immunology, biochemistry, pathogenesis, drug development, therapy, and epidemiology of these immunodeficiency-associated pathogenic eukaryotic microorganisms that are seen in patients with AIDS and; (2) to foster the entry of new and young investigators into these underserved research areas.
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