Development of a cyanobacterial biolarvicide.

abstract：:The aim of the current paper was to study in the state of Sergipe the population distribution and interactions between two species of Biomphalaria, the snail vectors of Schistosoma mansoni in the northeastern Brazil. Data collected in 1969 showed that B. straminea, with only one exception, was limited to the semi-dry ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Figueiredo CC

更新日期：1989-07-01 00:00:00

abstract：:Nitroarylidenemalononitriles and their cyanoacetamide derivatives with remarkable anti-epimastigote properties, were synthesized attempting to obtain new 3,5-diamino-4-(5'-nitroarylidene)-4H-thiadiazine 1,1-dioxide derivatives, which in previous reports had shown anti-Trypanosoma cruzi activity. Tests to evaluate the ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Muelas-Serrano S,Le-Senne A,Fernandez-Portillo C,Nogal JJ,Ochoa C,Gomez-Barrio A

更新日期：2002-06-01 00:00:00

abstract：:An increased plasma concentration of von Willebrand factor (vWF) is detected in individuals with many infectious diseases and is accepted as a marker of endothelium activation and prothrombotic condition. To determine whether ExoU, a Pseudomonas aeruginosa cytotoxin with proinflammatory activity, enhances the release ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Freitas C,Assis MC,Saliba AM,Morandi VM,Figueiredo CC,Pereira M,Plotkowski MC

更新日期：2012-09-01 00:00:00

abstract：:The Brazilian variant of human immunodeficiency virus type 1 (HIV-1) subtype B, (serotype B"-GWGR), has a tryptophan replacing the proline in position 328 the HIV-1 envelope. A longer median time period from infection to acquired immunodeficiency syndrome (AIDS) for serotype B (B"-GWGR) infected subjects compared to t...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Casseb J,Montanheiro P,Komninakis S,Brito A,Duarte AJ

更新日期：2004-02-01 00:00:00

abstract：:Toxoplasma gondii has a very wide intermediate host range and is thought to be able to infect all warm blooded animals. The parasite causes a spectrum of different diseases and clinical symptoms within the intermediate hosts and following infection most animals develop adaptive humoral and cell-mediated immune respons...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Innes EA,Bartley PM,Maley S,Katzer F,Buxton D

更新日期：2009-03-01 00:00:00

abstract：:This study examined whether the antidermatophytic activity of essential oils (EOs) can be used as an indicator for the discovery of active natural products against Leishmania amazonensis. The aerial parts of seven plants were hydrodistilled. Using broth microdilution techniques, the obtained EOs were tested against th...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Houël E,Gonzalez G,Bessière JM,Odonne G,Eparvier V,Deharo E,Stien D

更新日期：2015-02-01 00:00:00

abstract：:A study was undertaken to search for DNA recombinant Schistosoma mansoni proteins responsible for eliciting an antibody response from the host at a very early phase after infection. A S. mansoni adult worm cDNA expression library was screened using pooled sera from baboons with four weeks of infection. Based on their ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Kanamura HY,Hancock K,Rodrigues V,Damian RT

更新日期：2002-07-01 00:00:00

abstract：:Forty-four marsupials, 77 rodents and 161 ticks were captured in an Atlantic Forest Reserve in Cotia county, State of São Paulo, where human cases of Lyme disease (LD) simile were reported. Twenty-one borrelia-like spirochete isolates were recovered from the mammals' blood and rodent livers or spleens, and triturated ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Abel IS,Marzagão G,Yoshinari NH,Schumaker TT

更新日期：2000-09-01 00:00:00

abstract：:There is a general consensus that during chronic Trypanosoma cruzi infection, the host immune system induces complex processes to ensure the control of parasite growth while preserving the potential to mount and maintain a life-long controlled humoral and cellular immune response against the invading pathogen. This re...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Sathler-Avelar R,Vitelli-Avelar DM,Teixeira-Carvalho A,Martins-Filho OA

更新日期：2009-07-01 00:00:00

abstract：:As pyrethroids are presently the favored group of insecticides to control triatomines, we performed a series of bioassays to determine the intrinsic activity of some of the main compounds used in the control campaigns, against five of the main species of triatomines to be controlled. Comparing the insecticides it can ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Oliveira Filho AM

更新日期：1999-01-01 00:00:00

abstract：:This paper evaluates CHCl3 and CH3OH extracts of the stem bark, branches and leaves of Drimys brasiliensis and drimane sesquiterpenes isolated from the stem bark against strains of Leishmania amazonensis and Leishmania braziliensis promastigotes and Plasmodium falciparum trophozoites. All of the extracts and compounds...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Claudino VD,da Silva KC,Cechinel Filho V,Yunes RA,Delle Monache F,Giménez A,Salamanca E,Gutierrez-Yapu D,Malheiros A

更新日期：2013-04-01 00:00:00

abstract：:Multi-resistant gram-negative rods are important pathogens in intensive care units (ICU), cause high rates of mortality, and need infection control measures to avoid spread to another patients. This study was undertaken prospectively with all of the patients hospitalized at ICU, Anesthesiology of the Hospital São Paul...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Martins ST,Moreira M,Furtado GH,Marino CG,Machado FR,Wey SB,Medeiros EA

更新日期：2004-05-01 00:00:00

abstract：:In this work, the susceptibility to benznidazole of two parental Trypanosoma cruzi strains, Colombian and Berenice-78, was compared to isolates obtained from dogs infected with these strains for several years. In order to evaluate the susceptibility to benznidazole two groups of mice were infected with one of five dis...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Veloso VM,Carneiro CM,Toledo MJ,Lana M,Chiari E,Tafuri WL,Bahia MT

更新日期：2001-10-01 00:00:00

abstract：:A one year-long study (March 1979-March 1980) was carried out at San Esteban, an endemic focus of cutaneous leishmaniasis in Northern Venezuela, with the aim of observing the seasonal fluctuation of the local phlebotomine sandflies species. The influence of climatic factors (temperature, relative humidity and rainfall...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Feliciangeli MD

更新日期：1987-04-01 00:00:00

abstract：:Integration of human papillomavirus (HPV) DNA into human cells accompanied by the disruption of the viral genome has been described as a prerequisite for cancer development. This study aimed to investigate E2 gene integrity of HPV16 and HPV58 viruses isolated from infected women with cervical lesions. Forty-two HPV16-...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： González-Losa MD,Puerto-Solis M,Tenorio Ruiz J,Rosado-López AI,Hau-Aviles O,Ayora-Talavera G,Cisneros-Cutz I,Conde-Ferráez L

更新日期：2016-12-01 00:00:00

abstract：:In this study we compared two polymerase chain reaction (PCR) methods using either 16S ribosomal RNA (rRNA) or 23S rRNA gene primers for the detection of different Leptospira interrogans serovars. The performance of these two methods was assessed using DNA extracted from bovine tissues previously inoculated with sever...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： D'Andrea A,Martinez YZ,Alduina R,Monteverde V,Molina CF,Vitale M

更新日期：2012-02-01 00:00:00

abstract：:The diagnosis of tick-borne diseases such as babesiosis still depends on observing the parasite in the infected erythrocyte. Microscopic observation is tedious and often problematic in both early and carrier infections. Better diagnostic methods are needed to prevent clinical disease, especially when susceptible cattl...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Wagner G,Cruz D,Holman P,Waghela S,Perrone J,Shompole S,Rurangirwa F

更新日期：1992-01-01 00:00:00

abstract：:The kidney trematode Paratanaisia bragai is reported for the first time parasitizing the ring-necked pheasant (Phasianus colchicus L., 1758) and the pathological alterations associated to the parasitism are referred on the basis of 50 specimens of this bird from backyard flocks in 11 counties of the state of Rio de Ja...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Gomes DC,Menezes RC,Tortelly R,Pinto RM

更新日期：2005-05-01 00:00:00

abstract：:A sylvatic Triatoma infestans DM (dark morph) population detected in the Bolivian Chaco was characterized and compared with various domestic ones. The degree of differentiation of DM was clearly within the T. infestans intra-specific level. Nevertheless marked chromatic and morphometric differences as well as differen...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Noireau F,Bastrenta B,Catalá S,Dujardin JP,Panzera F,Torres M,Perez R,Galvão C,Jurberg J

更新日期：2000-01-01 00:00:00

abstract：:The seroprevalence of toxoplasmosis in 832 pregnant women in Miracema, Rio de Janeiro, was determined and 75.1% (625) and 2.0% (17) were anti-Toxoplasma gondii IgG and IgM positive, respectively. Out of the 17 IgM positive pregnant women, only one had low avidity IgG corresponding to the acute phase of the infection. ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Ribeiro AC,Mutis MS,Fernandes O

更新日期：2008-09-01 00:00:00

abstract：:Granuloma size is the variable most frequently used to evaluate the immunopathogenesis of schistosome infections. However, hepatic fibrosis is at the least an equally relevant variable. Hepatic fibrosis and the size of circumoval granulomas are frequently dissociated in experimental murine Schistosoma mansoni and S. j...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Cheever AW

更新日期：1997-09-01 00:00:00

abstract：:The extent of genomic variability of clones of Schistosoma mansoni obtained from field isolates was compared with that of strains that have been laboratory maintained. Analysis was undertaken using randomly amplified polymorphic DNAs (RAPDs) generated with three primers. Phenograms showing the similarity among the clo...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Pinto PM,Brito CF,Passos LK,Tendler M,Simpson AJ

更新日期：1997-05-01 00:00:00

abstract：:There is no clear understanding of the outcome of reinfection in New World cutaneous leishmaniasis, and its role in the relationship to the development of protection or secondary disease. For this reason, reinfection experiments with homologous (Leishmania panamensis-L. panamensis) and heterologous (L. major-L. paname...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Osorio Y,Gonzalez SJ,Gama VL,Travi BL

更新日期：1998-05-01 00:00:00

abstract：:Resistance in Mycobacterium tuberculosis to isoniazid (INH) is caused by mutations in the catalase-peroxidase gene (katG), and within the inhA promoter and/or in structural gene. A small percentage (approximately 10%) of INH-resistant strains do not present mutations in both of these loci. Other genes have been associ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Cardoso RF,Cardoso MA,Leite CQ,Sato DN,Mamizuka EM,Hirata RD,de Mello FF,Hirata MH

更新日期：2007-02-01 00:00:00

abstract：:The black flies of the genus Inaequalium present a Neotropical distribution, with Panama at the northern limit, and the Argentinian pampas at the southern, but do not occur in the Central Amazon. This study offers a cladistic analysis establishing a hypothesis of relationships between the species of Inaequalium. A tot...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Strieder MN,Py-Daniel V

更新日期：2002-01-01 00:00:00

abstract：:The cellular nature of the infiltrate in cutaneous lesion of rhesus monkeys experimentally infected with Leishmania (L.) amazonensis was characterized by immunohistochemistry. Skin biopsies from infected animals with active or healing lesions were compared to non-infected controls (three of each type) to quantitate in...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Amaral V,Pirmez C,Gonçalves A,Ferreira V,Grimaldi G Jr

更新日期：2000-03-01 00:00:00

abstract：:In schistosomiasis, the host/parasite interaction remains not completely understood. Many questions related to the susceptibility of snails to infection by respective trematode still remain unanswered. The control of schistosomiasis requires a good understanding of the host/parasite association. In this work, the susc...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Abdel-Hamid AH,Rawi SM,Arafa AF

更新日期：2006-12-01 00:00:00

abstract：:Triatoma guasayana and two putative cryptic species pertaining to T. sordida complex (named groups 1 and 2) occur in sympatry in the Bolivian Chaco. Using multilocus enzyme electrophoresis and subsequent genetic analysis, our work assesses their population distribution and dispersal capacity in domestic, peridomestic,...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Noireau F,Gutierrez T,Flores R,Breniere F,Bosseno MF,Wisnivesky-Colli C

更新日期：1999-07-01 00:00:00

abstract：:Several genes related to the ubiquitin (Ub)-proteasome pathway, including those coding for proteasome subunits and conjugation enzymes, are differentially expressed during the Schistosoma mansoni life cycle. Although deubiquitinating enzymes have been reported to be negative regulators of protein ubiquitination and sh...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Pereira RV,Vieira HG,Oliveira VF,Gomes Mde S,Passos LK,Borges Wde C,Guerra-Sá R

更新日期：2014-02-01 00:00:00

abstract：:Chronic Chagas disease diagnosis relies on laboratory tests due to its clinical characteristics. The aim of this research was to review commercial enzyme-linked immunosorbent assay (ELISA) and polymerase chain reaction (PCR) diagnostic test performance. Performance of commercial ELISA or PCR for the diagnosis of chron...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Brasil PE,Castro R,Castro Ld

更新日期：2016-01-01 00:00:00