683 research outputs found

    "A Costa dos MurmĂșrios and O Vale da PaixĂŁo - acts of female resistance to the Portuguese patriarchal order"

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    Speaking of LĂ­dia Jorge and her novels, particularly A Costa dos MurmĂșrios and O Vale da PaixĂŁo is no easy task, considering the enormous quantity of critical work that has already been published both on the author and on the two novels in question. Just to give very few recent examples, I would like to mention the volume published last year and organized by Ana Paula Ferreira Para um Leitor Ignorado. Ensaios sobre a ficção de LĂ­dia Jorge that includes extremely highly valuable contributions on O vale da PaixĂŁo, such as the one by ClĂĄudia Pazos Alonso. Andreia Azevedo Soares’s master thesis A Manta intertextual do Vale da PaixĂŁo of the University of Porto is equally en eye opener on the novel. With regard to A Costa do MurmĂșrios, there are too many critical works to be named on what I personally consider LĂ­dia Jorge’s best novel. But then, again, I am far from objective about it since I wrote my own PhD on it

    SciBERT-based semantification of bioassays in the open research knowledge graph

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    As a novel contribution to the problem of semantifying biological assays, in this paper, we propose a neural-network-based approach to automatically semantify, thereby structure, unstructured bioassay text descriptions. Experimental evaluations, to this end, show promise as the neural-based semantification significantly outperforms a naive frequencybased baseline approach. Specifically, the neural method attains 72% F1 versus 47% F1 from the frequency-based method. The work in this paper aligns with the present cutting-edge trend of the scholarly knowledge digitalization impetus which aim to convert the long-standing document-based format of scholarly content into knowledge graphs (KG). To this end, our selected data domain of bioassays are a prime candidate for structuring into KG

    Regulation of three virulence strategies of Mycobacterium tuberculosis : A success story

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    Tuberculosis remains one of the deadliest diseases. Emergence of drug-resistant and multidrug-resistant M. tuberculosis strains makes treating tuberculosis increasingly challenging. In order to develop novel intervention strategies, detailed understanding of the molecular mechanisms behind the success of this pathogen is required. Here, we review recent literature to provide a systems level overview of the molecular and cellular components involved in divalent metal homeostasis and their role in regulating the three main virulence strategies of M. tuberculosis: immune modulation, dormancy and phagosomal rupture. We provide a visual and modular overview of these components and their regulation. Our analysis identified a single regulatory cascade for these three virulence strategies that respond to limited availability of divalent metals in the phagosome

    Uso da fish em mucosa oral para investigação de mosaicismo com linhagem 45,x: estudo com homens saudĂĄveis e pacientes com distĂșrbios da diferenciação do sexo

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    FAPESP - FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO DE SÃO PAULOObjective: To verify whether fluorescence in situ hybridization (FISH) of cells from the buccal epithelium could be employed to detect cryptomosaicism with a 45,X lineage in 46,XY patients. Subjects and methods: Samples of nineteen 46,XY healthy young men and five patients with disorders of sex development (DSD), four 45,X/46,XY and one 46,XY were used. FISH analysis with X and Y specific probes on interphase nuclei from blood lymphocytes and buccal epithelium were analyzed to investigate the proportion of nuclei containing only the signal of the X chromosome. Results: The frequency of nuclei containing only the X signal in the two tissues of healthy men did not differ (p = 0.69). In all patients with DSD this frequency was significantly higher, and there was no difference between the two tissues (p = 0.38), either. Conclusions: Investigation of mosaicism with a 45,X cell line in patients with 46,XY DSD or sterility can be done by FISH directly using cells from the buccal epithelium. © ABE&M todos os direitos reservados.To verify whether fluorescence in situ hybridization (FISH) of cells from the buccal epithelium could be employed to detect cryptomosaicism with a 45,X lineage in 46,XY patients. Subjects and methods: Samples of nineteen 46,XY healthy young men and five patients with disorders of sex development (DSD), four 45,X/46,XY and one 46,XY were used. FISH analysis with X and Y specific probes on interphase nuclei from blood lymphocytes and buccal epithelium were analyzed to investigate the proportion of nuclei containing only the signal of the X chromosome. Results: The frequency of nuclei containing only the X signal in the two tissues of healthy men did not differ (p = 0.69). In all patients with DSD this frequency was significantly higher, and there was no difference between the two tissues (p = 0.38), either. Conclusions: Investigation of mosaicism with a 45,X cell line in patients with 46,XY DSD or sterility can be done by FISH directly using cells from the buccal epithelium584328334FAPESP - FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO DE SÃO PAULOFAPESP - FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO DE SÃO PAULO2011/50189-7Verificar se a hibridização in situ por fluorescĂȘncia (FISH) em cĂ©lulas de mucosa oral poderia ser empregada para detectar criptomosaicismo com linhagem 45,X em pacientes 46,XY. Sujeitos e mĂ©todos: Amostra de 19 jovens saudĂĄveis 46,XY e cinco pacientes com distĂșrbios da diferenciação do sexo (DDS), quatro 45,X/46,XY e um 46,XY. FISH com sondas especĂ­ficas para X e Y em nĂșcleos interfĂĄsicos de linfĂłcitos e mucosa oral para investigar aproporção de nĂșcleos contendo apenas o sinal do cromossomo X. Resultados: A frequĂȘncia de nĂșcleos contendo apenas o sinal do X nos dois tecidos dos homens saudĂĄveis nĂŁo diferiu (p =0,69). Em todos os pacientes com DDS essa frequĂȘncia foi significativamente maior, e tambĂ©mnĂŁo houve diferença entre os dois tecidos (p = 0,38). ConclusĂ”es: A investigação de mosaicismo com linhagem 45,X em pacientes com DDS 46,XY ou esterilidade pode ser feita por FISHdiretamente em cĂ©lulas de mucosa ora

    First record of Palaemon macrodactylus Rathbun, 1902 (Decapoda, Palaemonidae) in the western Mediterranean

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    The Mediterranean Sea is one of the world’s hotspots for marine bio-invasions. Most invasions are first documented based on an initial record of occasional adult captures. However, reports of larval stages could indicate that there is an adult population that is reproducing and therefore well established in the area. The spread of the oriental shrimp, Palaemon macrodactylus, from its native estuarine waters of southeast Asia to new regions worldwide is well documented. We report the first record of this species in the Mediterranean based on the presence of its larval stages in plankton samples. Decapod larvae were collected in five offshore plankton surveys performed off the Balearic Islands (western Mediterranean), and zoeae III and VI of the oriental shrimp were found among them. Taking into account the duration of the successive developmental stages, and the hydrodynamic characteristics of the study area, these larvae were most probably spawned by adult populations not yet documented. The larvae were found in marine waters despite the fact that adults usually inhabit brackish waters. Our study is a good example of how plankton studies can help to detect larval stages of invasive species before the adult populations are detectedPublicado

    Risk-Based Bioengineering Strategies for Reliable Bacterial Vaccine Production

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    Design of a reliable process for bacterial antigen production requires understanding of and control over critical process parameters. Current methods for process design use extensive screening experiments for determining ranges of critical process parameters yet fail to give clear insights into how they influence antigen potency. To address this gap, we propose to apply constraint-based, genome-scale metabolic models to reduce the need of experimental screening for strain selection and to optimize strains based on model driven iterative Design–Build–Test–Learn (DBTL) cycles. Application of these systematic methods has not only increased the understanding of how metabolic network properties influence antigen potency, but also allows identification of novel critical process parameters that need to be controlled to achieve high process reliability.</p
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