In vitro trypanocidal activity of some rare Tanzanian medicinal plants.

abstract：:The trypanocidal activity of two commercially available isometamidium-based products, Samorin (Merial, USA) and Veridium (Sanofi Santé Nutrition Animale, France), used at a dose rate of 0.5 mg kg(-1) bodyweight, was compared in a field trial involving groups of approximately 30 zebu cattle in a trypanosomosis endemic ...

journal_title：Acta tropica

authors： Stevenson P,Okech G,Mwendia C,Sones KR

更新日期：2000-11-02 00:00:00

abstract：:Leptospirosis, a disease that occurs worldwide, especially in tropical regions, is caused by bacteria of the genus Leptospira and affects mammals, amphibians, and reptiles. Boa constrictor snakes are commonly found in Atlantic rainforest fragments in peri‑urban areas, which indicates a greater possibility of the conta...

journal_title：Acta tropica

authors： Rodamilans GM,Fonseca MS,Paz LN,Fernandez CC,Biondi I,Lira-da-Silva RM,Meyer R,Pinna MH,Portela RD

更新日期：2020-09-01 00:00:00

abstract：:Blastospores or conidia (formulated or not) of entomopathogenic fungi were assessed against Aedes aegypti larvae. Larvae (L2) were exposed to 105, 106, 107, and 108 propagules mL-1 water suspension. Mineral oil at 0.1%, 0.5%, or 1.0% (v/v) was employed to observe the effect on larval survival. The 0.1% mineral oil did...

journal_title：Acta tropica

authors： de Oliveira Barbosa Bitencourt R,Reis Dos Santos Mallet J,Mesquita E,Silva Gôlo P,Fiorotti J,Rita Elias Pinheiro Bittencourt V,Guedes Pontes E,da Costa Angelo I

更新日期：2021-01-01 00:00:00

abstract：:The vector species Aedes albopictus (Skuse, 1894) was recorded in Turkey for the first time, near the Greek border, in 2011 and a high risk of expansion towards Aegean and Mediterranean coasts of Turkey was estimated. A preliminary study was planned to evaluate the possibility of creating a satellite mass rearing faci...

journal_title：Acta tropica

authors： Dogan M,Gunay F,Puggioli A,Balestrino F,Oncu C,Alten B,Bellini R

更新日期：2016-07-01 00:00:00

abstract：:The aim of this work was to study the composition of the Culicidae community in three environments with different degrees of anthropic disturbance in the province of Chaco. The nonparametric richness estimator ACE was calculated to measure the completeness of the sampling in each environment, and the diversity of each...

journal_title：Acta tropica

authors： Stein M,Santana M,Galindo LM,Etchepare E,Willener JA,Almirón WR

更新日期：2016-04-01 00:00:00

abstract：:A study on the potential of houseflies (Musca domestica L.) to spread fungal spores in Gauteng Province, South Africa proved that houseflies are vectors for fungal spores. Therefore, there is a need to determine the toxigenic potentials and to identify the mycotoxins produced by fungal isolates derived from this study...

journal_title：Acta tropica

authors： Phoku JZ,Barnard TG,Potgieter N,Dutton MF

更新日期：2017-04-01 00:00:00

abstract：:The aims of this study were to describe the occurrence of dengue in space and time and to assess the relationships between dengue incidence and entomologic indicators. We selected the dengue autochthonous cases that occurred between September 2005 and August 2007 in São José do Rio Preto to calculate incidence rates b...

journal_title：Acta tropica

authors： Chiaravalloti-Neto F,Pereira M,Fávaro EA,Dibo MR,Mondini A,Rodrigues-Junior AL,Chierotti AP,Nogueira ML

更新日期：2015-02-01 00:00:00

abstract：:A randomized controlled trial was carried out in Assab under the auspices of the National Organization for the Control of Malaria and other Vectorborne Diseases of Ethiopia to assess the effectiveness of an indigenous cyprinodontid fish, Aphanius dispar, in controlling mosquito larvae, including the local malaria vect...

journal_title：Acta tropica

authors： Fletcher M,Teklehaimanot A,Yemane G

更新日期：1992-12-01 00:00:00

abstract：:The most important mechanism for combating infection using larval therapy depends on larval excretions and secretions (ES). The present work was aimed at evaluating Sarconesiopsis magellanica (Diptera: Calliphoridae) ES antibacterial activity in six bacterial strains (three Gram-positive and three Gram-negative) and c...

journal_title：Acta tropica

authors： Díaz-Roa A,Gaona MA,Segura NA,Suárez D,Patarroyo MA,Bello FJ

更新日期：2014-08-01 00:00:00

abstract：:> Qualitative research methods were used in rural and urban areas of the Greater Accra Region to generate data to describe the folk diagnosis, etiology and management of malaria. Respondents defined as fever a set of symptoms loosely concordant with clinical malaria. Primary cause of fever as heat and particularly in ...

journal_title：Acta tropica

authors： Agyepong IA,Manderson L

更新日期：1994-12-01 00:00:00

abstract：:We have sequenced single kinetoplast DNA minicircles from three species and part of a minicircle from the fourth major species within the Leishmania braziliensis complex. Alignment of these sequences with each other and with those of other kinetoplastids allowed the selection of a pair of oligonucleotides suitable as ...

journal_title：Acta tropica

authors： de Bruijn MH,Barker DC

更新日期：1992-09-01 00:00:00

abstract：:Leishmania is transmitted in the presence of sand fly saliva. Protective immunity generated by saliva has encouraged identification of a vector salivary-based vaccine. Previous studies have shown that immunization with LJM11, a salivary protein from Lutzomyia longipalpis, is able to induce a Th1 immune response and pr...

journal_title：Acta tropica

authors： Cunha JM,Abbehusen M,Suarez M,Valenzuela J,Teixeira CR,Brodskyn CI

更新日期：2018-01-01 00:00:00

abstract：:Microorganisms harbored by Chilean autochthonous ticks have been scarcely studied and current knowledge is restricted to three species of hard ticks only. The current study aimed to assess the presence of Anaplasmataceae, Borrelia and Hepatozoon agents in ticks collected directly from the environment, on reptiles, bir...

journal_title：Acta tropica

authors： Muñoz-Leal S,Lopes MG,Marcili A,Martins TF,González-Acuña D,Labruna MB

更新日期：2019-04-01 00:00:00

abstract：:The preventative effect of triclosan (TS) and TS liposomal nanoparticles was studied on the early establishment of chronic infection with Toxoplasma gondii (T. gondii). Swiss albino mice were orally infected with 10 cysts of avirulent ME49 strain of T. gondii, and 2 weeks later they were orally treated with dual daily...

journal_title：Acta tropica

authors： El-Zawawy LA,El-Said D,Mossallam SF,Ramadan HS,Younis SS

更新日期：2015-01-01 00:00:00

abstract：:We evaluated the use of polymerase chain reaction (PCR) for diagnosis of mucosal leishmaniasis (ML) in an endemic area in Acre, Brazil, where Leishmania braziliensis is present. Leishmania DNA was detected 34 of 35 cases, yielding a positivity rate of 97.1%, which was higher than the positivity rates for all of the ot...

journal_title：Acta tropica

authors： Oliveira JG,Novais FO,de Oliveira CI,da Cruz Junior AC,Campos LF,da Rocha AV,Boaventura V,Noronha A,Costa JM,Barral A

更新日期：2005-04-01 00:00:00

abstract：:Anopheles minimus, an important malaria vector of South East Asia, has reappeared in the Singhbum hills, East-Central India where deforestation and DDT residual spraying had reportedly eliminated it during the Malaria Eradication Programme. The species reported has been identified as sibling species A of the An. minim...

journal_title：Acta tropica

authors： Jambulingam P,Sahu SS,Manonmani A

更新日期：2005-10-01 00:00:00

abstract：:The effect of vaccines against the pre-erythrocytic, the erythrocytic and the sexual stages of malaria on the transmission of malaria was examined using a simulation model of seasonal or epidemic transmission. The primary outcome of the model was the number of cases of malaria present at the end of the transmission se...

journal_title：Acta tropica

authors： Saul A

更新日期：1993-01-01 00:00:00

abstract：:Four strains of Trypanosoma cruzi (Y, BG, M and Peru) retain their ability to infect Rhodnius prolixus and to produce virulent infections in mice for from 12 to 39 years. About 60 or more metacyclic trypomastigotes were consistently lethal to mice. The mean number of metacyclics per bug ranged from 1.2 to 17.3 x 10(3)...

journal_title：Acta tropica

authors： Neal RA,McHardy N

更新日期：1977-03-01 00:00:00

abstract：:Data on soil-transmitted helminth (STH) infections and reinfection among Orang Asli (aborigine) schoolchildren and their nutritional and socioeconomic status were analyzed to investigate the pattern and the possible predictors of STH reinfection. In this longitudinal study, 120 (60 males and 60 females) Orang Asli pri...

journal_title：Acta tropica

authors： Hesham Al-Mekhlafi M,Surin J,Atiya AS,Ariffin WA,Mohammed Mahdy AK,Che Abdullah H

更新日期：2008-08-01 00:00:00

abstract：:Time to death from starvation and compulsive killing without eating of the prey by larvae of Toxorhynchites splendens were studied in the laboratory. The first and second instars survived without food for 3 days while third and fourth instars survived for 7.8 and 14 days, respectively. When the corresponding instars o...

journal_title：Acta tropica

authors： Amalraj DD,Das PK

更新日期：1994-11-01 00:00:00

abstract：:A simple method for the preparation of Toxocara canis antigen for the indirect immunofluorescent test is described: Embryonated Toxocara eggs are treated for 12 hours at room temperature with a 1:1 mixture of 2% NaHO and sodium hypochlorite (NaClO) solution with a concentration of 2% free chlorine in order to remove t...

journal_title：Acta tropica

authors： Annen JM,Eckert J,Hess U

更新日期：1975-01-01 00:00:00

abstract：:A quantitative framework is presented for the site-specific characterization of schistosomiasis transmission with the object of developing local control strategies. Central to the framework is a worm-burden model using ordinary differential equations of disease transmission in risk groups defined by residence and occu...

journal_title：Acta tropica

authors： Liang S,Maszle D,Spear RC

更新日期：2002-05-01 00:00:00

abstract：:During a period of 2 years, the ecology of Bulinus globosus was studied in 8 habitats in two streams near Ifakara, SE-Tanzania. The relative Bulinus densities were followed monthly. Two different methods for estimating snail densities (man/time vs. palmleaf traps) gave comparable results. Bulinus densities were consta...

journal_title：Acta tropica

authors： Marti HP,Tanner M,Degrémont AA,Freyvogel TA

更新日期：1985-06-01 00:00:00

abstract：:Since humans rarely play the role as Echinococcus oligarthrus host, there is lack of knowledge about the complex infectious process. Only three cases have been reported to occur in humans in the neotropics until now. We present the anatomo-clinical and molecular findings describing a new case of infection by E. oligar...

journal_title：Acta tropica

authors： Soares Mdo C,Rodrigues AL,Moreira Silva CA,Brito EM,Gomes-Gouvêa MS,Corrêa IR,Pinho JR,Malheiros AP,Nunes HM,Póvoa MM

更新日期：2013-01-01 00:00:00

abstract：:The combination piperaquine and dihydroartemisinin is emerging as first line treatment of uncomplicated falciparum malaria in Southeast Asia. The aim of this study was to determine the influence of a standard Vietnamese meal on the single-dose pharmacokinetics of piperaquine when administered in combination with dihyd...

journal_title：Acta tropica

authors： Hai TN,Hietala SF,Van Huong N,Ashton M

更新日期：2008-08-01 00:00:00

abstract：:In Mizoram, the origin and molecular nature of Anopheles species is poorly understood, despite the region having high malarial incidence and rich biodiversity. A diagnostic PCR assay for distinguishing the Cellia subgenera members of Anopheles species was developed based on the interspecific ITS2 variation. No intrasp...

journal_title：Acta tropica

authors： Zomuanpuii R,Ringngheti L,Brindha S,Gurusubramanian G,Senthil Kumar N

更新日期：2013-03-01 00:00:00

abstract：:The human Pegivirus (HPgV, also known as GBV-C virus or hepatitis G virus) is a lymphotropic RNA-virus phylogenetically related to the Hepatitis C virus, which infects approximately 5% of the world's human population. Recently, two novel, presumably hepatotropic, pegiviruses, designated as equine Pegivirus (EPgV) and ...

journal_title：Acta tropica

authors： de Souza AJS,Malheiros AP,de Sousa ERP,Moreira ACN,Silva AL,das Chagas AAC,Freitas PEB,Gemaque BS,de Figueiredo HF,de Sá LRM,Dos Santos PDE,Soares MDCP

更新日期：2015-12-01 00:00:00

abstract：:Mouse peritoneal exudate cells were cultured on coverslips in Eagle's Basal Essential Medium. The adhering cells were infected with promastigotes of three different species of Leishmania. After 8 h incubation, the macrophages were fixed and stained, and a total of one hundred cells were counted. The rates of infection...

journal_title：Acta tropica

authors： Ardehali SM,Khoubyar K,Rezai HR

更新日期：1979-03-01 00:00:00

abstract：:This study provides the first estimate of the genetic diversity and genotype multiplicity of Plasmodium falciparum infections in symptomatic individuals living in Bangui (Central African Republic, CAR). Three hundred thirty six clinical isolates were used for analysis of parasite population polymorphism and genotyped ...

journal_title：Acta tropica

authors： Dolmazon V,Matsika-Claquin MD,Manirakiza A,Yapou F,Nambot M,Menard D

更新日期：2008-07-01 00:00:00

abstract：:Trypanosomes are parasitic flagellate protozoans that are important disease causing agents in humans and animals including economically significant livestock. Many blood-sucking insects are known to be vectors of trypanosomes but there is no data for the haematophagous black fly species in Asia. In this study, a molec...

journal_title：Acta tropica

authors： Thaijarern J,Tangkawanit U,Wongpakam K,Pramual P

更新日期：2019-12-01 00:00:00