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View article: LITERACIA EM SAÚDE MENTAL DE PROFESSORAS DO ENSINO BÁSICO
LITERACIA EM SAÚDE MENTAL DE PROFESSORAS DO ENSINO BÁSICO Open
Este artigo traz os resultados da pesquisa desenvolvida no campo da educação com o objetivo de conhecer a literacia em saúde mental de professoras do ensino básico em relação ao Transtorno de Déficit de Atenção e Hiperatividade (TDHA) em i…
View article: Elemental Composition of Proboscis Hooks in Metacanthocephalus rennicki inflatus (Acanthocephala: Rhadinorhynchidae) from Antarctic Notothenia coriiceps
Elemental Composition of Proboscis Hooks in Metacanthocephalus rennicki inflatus (Acanthocephala: Rhadinorhynchidae) from Antarctic Notothenia coriiceps Open
Aims: Specimens of Metacanthocephalus (Bimuscularis) rennicki inflatus (Amin et al., 2025) (Acanthocephala: Rhadinorhynchidae) from Notothenia coriiceps Richardson collected off Galindez Island, West Antarctica were studied for metal analy…
View article: Endosymbiosis in trypanosomatids: the bacterium regulates the intermediate and oxidative metabolism of the host cell
Endosymbiosis in trypanosomatids: the bacterium regulates the intermediate and oxidative metabolism of the host cell Open
Endosymbiosis in trypanosomatids involves a mutualistic association between a symbiotic bacterium and a host protozoan and represents an excellent model for studying metabolic coevolution and the origin of organelles. This work investigate…
View article: Effects of TcFLA‐1BP and TcGP72 Deletion on the Infectivity and Survival of <i>Trypanosoma cruzi</i> in Cell Cultures
Effects of TcFLA‐1BP and TcGP72 Deletion on the Infectivity and Survival of <i>Trypanosoma cruzi</i> in Cell Cultures Open
Chagas disease, caused by the protozoan Trypanosoma cruzi , is a neglected tropical disease with limited treatment options and no available vaccine. Understanding the role of proteins in the parasite's biological cycle is critical for adva…
View article: Differential distribution of minerals in the proboscis hooks of <i>Corynosoma pseudohamanni</i> Zdzitowiecki, 1984 (Acanthocephala: Polymorphidae) juveniles from <i>Notothenia coriiceps</i> Richardson off Argentine Islands, West Antarctica
Differential distribution of minerals in the proboscis hooks of <i>Corynosoma pseudohamanni</i> Zdzitowiecki, 1984 (Acanthocephala: Polymorphidae) juveniles from <i>Notothenia coriiceps</i> Richardson off Argentine Islands, West Antarctica Open
Summary Corynosoma pseudohamanni Zdzitowiecki, 1984 (Polymorphidae) was described from the intestinal tract of 5 species of seals, including the type and primary host, the Weddell seal Leptonycotes weddellii (Lesson) in the South Shetlands…
View article: CULTURA DIGITAL E EDUCAÇÃO ESCOLAR: A PRODUÇÃO DO CONHECIMENTO NA SOCIEDADE CONECTADA
CULTURA DIGITAL E EDUCAÇÃO ESCOLAR: A PRODUÇÃO DO CONHECIMENTO NA SOCIEDADE CONECTADA Open
A presença ubíqua da cultura digital no cotidiano escolar não configura apenas uma adaptação de ferramentas, mas instaura uma ruptura nos modos tradicionais de construção, circulação e validação do saber. Mais do que dispositivos ou plataf…
View article: From mitochondrial DNA arrangement to repair: a kinetoplast-associated protein with different roles in two trypanosomatid species
From mitochondrial DNA arrangement to repair: a kinetoplast-associated protein with different roles in two trypanosomatid species Open
View article: Pandemia da COVID-19: contextos do trabalho de professores alfabetizadores com alunos com deficiência no município de Belo Horizonte MG
Pandemia da COVID-19: contextos do trabalho de professores alfabetizadores com alunos com deficiência no município de Belo Horizonte MG Open
Devido a pandemia da covid-19 foi necessário e emergencial repensar os processos educacionais, principalmente nos anos iniciais do ensino fundamental, na apropriação da leitura e produção escrita das crianças. Tendo isso em vista, o estudo…
View article: Optimisation of freeze substitution protocols for the examination of malaria parasite structure by volumetric electron microscopy
Optimisation of freeze substitution protocols for the examination of malaria parasite structure by volumetric electron microscopy Open
Malaria is one of the deadliest infectious diseases in the world, annually responsible for over 400,000 deaths. It is caused by parasites of the genus Plasmodium , which undergo remarkable structural changes during their development within…
View article: <scp>3D</scp> Electron Microscopy Reveals the Structural Complexity of the Intravacuolar Membranous Network in <i>Cyrilia lignieresi</i>‐Infected Erythrocytes of the Fish <scp><i>Synbranchus marmoratus</i></scp>
<span>3D</span> Electron Microscopy Reveals the Structural Complexity of the Intravacuolar Membranous Network in <i>Cyrilia lignieresi</i>‐Infected Erythrocytes of the Fish <span><i>Synbranchus marmoratus</i></span> Open
This study employs advanced three‐dimensional electron microscopy techniques, including Transmission Electron Microscopy (TEM) tomography and freeze‐fracture imaging via scanning electron microscopy (SEM), to investigate the ultrastructura…
View article: Host Organelle Interactions Facilitate Cholesterol Acquisition by <i>Trypanosoma cruzi</i> Amastigotes
Host Organelle Interactions Facilitate Cholesterol Acquisition by <i>Trypanosoma cruzi</i> Amastigotes Open
Chagas disease, caused by the protozoan Trypanosoma cruzi , is a major neglected disease in Latin America. The amastigote, the replicative intracellular form, is essential for infection persistence in vertebrate hosts. These forms exhibit …
View article: New dimensions in acidocalcisome research: the potential of cryo-EM to uncover novel aspects of protozoan parasite physiology
New dimensions in acidocalcisome research: the potential of cryo-EM to uncover novel aspects of protozoan parasite physiology Open
Cryo-electron microscopy (cryo-EM) has revolutionized structural biology by enabling high-resolution, near-native visualization of macromolecular structures and entire cells. Its application to etiologic agents of diseases is an expanding …
View article: Advances, challenges, and applications of cryo‐electron tomography workflows for three‐dimensional cellular imaging of infectious pathogens
Advances, challenges, and applications of cryo‐electron tomography workflows for three‐dimensional cellular imaging of infectious pathogens Open
Cryo‐electron tomography (cryo‐ET) has become a powerful tool for visualising cellular structures at sub‐nanometer resolution in their near‐native state, offering unique insights into the molecular architecture of diverse biological system…
View article: Immunolocalization and 3D modeling of three unique proteins belonging to the costa of Tritrichomonas foetus
Immunolocalization and 3D modeling of three unique proteins belonging to the costa of Tritrichomonas foetus Open
View article: TRANSPOSIÇÃO DE GRANDES ARTÉRIAS: UMA VISÃO GERAL
TRANSPOSIÇÃO DE GRANDES ARTÉRIAS: UMA VISÃO GERAL Open
View article: A segregação racial como legitimadora do encarceramento em massa da mulher negra
A segregação racial como legitimadora do encarceramento em massa da mulher negra Open
O encarceramento em massa de mulheres negras no Brasil é uma manifestação das desigualdades estruturais perpetuadas pelo racismo, machismo e disparidades socioeconômicas. Este artigo analisa criticamente o perfil da população prisional fem…
View article: Cooperativismo na agricultura familiar: perspectivas durante e após a pandemia de COVID-19
Cooperativismo na agricultura familiar: perspectivas durante e após a pandemia de COVID-19 Open
O presente artigo aborda sobre as reflexões no âmbito do conjunto de interações provenientes da agricultura familiar, cooperativismo, agroecologia, políticas públicas e economia solidária na perspectiva avaliativa social e econômica, refle…
View article: Correlation of Mastoid Pneumatization and Pneumatization of the Posterior Lip of Internal Auditory Meatus and its Implications During Retrosigmoid Craniotomy
Correlation of Mastoid Pneumatization and Pneumatization of the Posterior Lip of Internal Auditory Meatus and its Implications During Retrosigmoid Craniotomy Open
View article: Breaking the ice − simplified freeze-fracture of parasitic protists: a cost-effective approach without highly specialised equipment
Breaking the ice − simplified freeze-fracture of parasitic protists: a cost-effective approach without highly specialised equipment Open
BACKGROUND We present a simplified freeze-fracture method to reveal the internal structure of protozoan parasites and their host cells, without the need for costly transmission electron microscopy (TEM) equipment. In a traditional procedur…
View article: Cholesterol Crystals in Reservosomes of Trypanosoma Cruzi
Cholesterol Crystals in Reservosomes of Trypanosoma Cruzi Open
View article: Correction: Understanding the role of microbes in health and disease of farmed aquatic organisms
Correction: Understanding the role of microbes in health and disease of farmed aquatic organisms Open
View article: Temperature Interference on ZIKV and CHIKV Cycles in Mosquitoes and Mammalian Cells
Temperature Interference on ZIKV and CHIKV Cycles in Mosquitoes and Mammalian Cells Open
Temperature is a determining factor for the viral cycle. In this study, we investigate the effect of different temperatures on the cycles of two important arboviruses—Zika (ZIKV) and Chikungunya (CHIKV)—in Vero (mammalian) and C6/36 (mosqu…
View article: Tunneling Nanotube-like Structures in Giardia duodenalis
Tunneling Nanotube-like Structures in Giardia duodenalis Open
Giardia doudenalis (lamblia, intestinalis) is a protozoan parasite that inhabits the lumen of the upper small intestine of vertebrates, causing chronic abdominal pains and severe diarrhea, symptoms of giardiasis, a persistent and recurrent…
View article: PP1 phosphatase controls both daughter cell formation and amylopectin levels in Toxoplasma gondii
PP1 phosphatase controls both daughter cell formation and amylopectin levels in Toxoplasma gondii Open
Virulence of apicomplexan parasites is based on their ability to divide rapidly to produce significant biomass. The regulation of their cell cycle is therefore key to their pathogenesis. Phosphorylation is a crucial posttranslational modif…
View article: Quantitative assessment of the nanoanatomy of the contractile vacuole complex in<i>Trypanosoma cruzi</i>
Quantitative assessment of the nanoanatomy of the contractile vacuole complex in<i>Trypanosoma cruzi</i> Open
Trypanosoma cruzi uses various mechanisms to cope with osmotic fluctuations during infection, including the remodeling of organelles such as the contractile vacuole complex (CVC). Little is known about the morphological changes of the CVC …
View article: Contribution of microscopy to a better understanding of the anatomy of pathogenic protists
Contribution of microscopy to a better understanding of the anatomy of pathogenic protists Open
In this Inaugural Article the author briefly revises its scientific career and how he starts to work with parasitic protozoa. Emphasis is given to his contribution to topics such as a) the structural organization of the surface of protozoa…
View article: Mpox outbreak in Rio de Janeiro, Brazil: a translational approach.
Mpox outbreak in Rio de Janeiro, Brazil: a translational approach. Open
Mpox is a zoonotic disease historically reported in Africa. Since 2003, limited outbreaks have occurred outside Africa. In 2022, the global spread of cases with sustained interhuman transmission and unusual disease features raised public h…
View article: Description of an intramonocytic haemoparasite, <i>Hepatozoon lainsoni</i> sp. nov. (Apicomplexa: Adeleorina: Hepatozoidae), infecting <i>Ameiva ameiva</i> lizard (Reptilia: Squamata: Teiidae) in northern Brazil
Description of an intramonocytic haemoparasite, <i>Hepatozoon lainsoni</i> sp. nov. (Apicomplexa: Adeleorina: Hepatozoidae), infecting <i>Ameiva ameiva</i> lizard (Reptilia: Squamata: Teiidae) in northern Brazil Open
Haemogregarine (Apicomplexa: Adeleorina) parasites are considered to be the most common and widespread haemoparasites in reptiles. The genus Hepatozoon (Apicomplexa: Adeleorina: Hepatozoidae) can be found parasitizing a broad range of spec…
View article: Paracrine Signaling Mediated by the Cytosolic Tryparedoxin Peroxidase of Trypanosoma cruzi
Paracrine Signaling Mediated by the Cytosolic Tryparedoxin Peroxidase of Trypanosoma cruzi Open
Peroxiredoxins are abundant and ubiquitous proteins that participate in different cellular functions, such as oxidant detoxification, protein folding, and intracellular signaling. Under different cellular conditions, peroxiredoxins can be …
View article: Endocytosis in anaerobic parasitic protists
Endocytosis in anaerobic parasitic protists Open
The incorporation of different molecules by eukaryotic cells occurs through endocytosis, which is critical to the cell's survival and ability to reproduce. Although this process has been studied in greater detail in mammalian and yeast cel…