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Maria Luiza Goncalves Aragao da Cunha Lima 한국 포르투갈-브라질 학회 2023 포르투갈-브라질 연구 Vol.20 No.1
In this work, we review critically the Curricula proposal for medium distance languages, the official document from Brazilian government, published by the Foreign Affairs Ministry in Brazil. This Proposal aims to harmonize the Portuguese teaching policies in Brazilian cultural centers and other programs. We start by discussing the state of the art on linguistic distance and language transfer. Afterwards, we review the proposal in three parts: 1) Theoretical basis for the the proposal; 2) A critic to the languages selected as representatives of the medium distance category, namely: Italian, French, English, Dutch, Finnish, Hebraic and Arabic. Finally, even if you point the weak points in the documents, our aim is to make a contribution to the future development of the policies and to aid in the discussion.
Marker Genes for in Vitro Selection of Transgenic Plants
Brasileiro, Ana C.M.,Aragao, Francisco J.L. The Korean Society of Plant Biotechnology 2001 Plant molecular biology and biotechnology research Vol.3 No.3
The use of a marker gene in a transformation process aims to give a selective advantage to the transformed cells, allowing them to grow faster and better, and to kill the non-transformed cells. In general, the selective gene is introduced into plant genome along with the genes of interest. In some cases, the marker gene can be the gene of interest that will confer an agronomic characteristic, such as herbicide resistance. In this review we list and discuss the use of the most common selective marker genes on plant transformation and the effects of their respective selective agents. These genes could be divided in categories according their mode of action: genes that confer resistance to antibiotics and herbicides; and genes for positive selection. The contention of the marker gene flow through chloroplast transformation is further discussed. Moreover, strategies to recover marker-free transgenic plants, involving multi-auto-transformation (MAT), co-transformation, site specific recombination and intragenomic relocation of transgenes through transposable elements, are also reviewed.
Nelson Carvalho Delfino,Lucas Fialho de Aragao Bulcao,Henry Daniel Ruiz Alba,Mauricio Xavier da Silva Oliveira,Filipe Pinheiro Soares de Queiroz,Gleidson Giordano Pinto de Carvalho,Francisco Palma Ren 아세아·태평양축산학회 2018 Animal Bioscience Vol.31 No.11
Objective: The purpose of this study was to evaluate the influence of body condition score (BCS) at calving on the metabolic status of female Murrah buffaloes in the transition period. Methods: Thirty-seven pregnant buffaloes (multiparous) were selected and monitored during the transition period based on their body condition score and on the estimated calving date. Two groups were formed: i) buffaloes with a BCS>3.5 (n = 17); this group was classified and named ‘high BCS at calving’ (HBCS); and ii) buffaloes with a BCS≤3.5 (n = 20); this group was classified and named ‘low BCS at calving’ (LBCS). All animals were monitored during the last 30 days of pregnancy and the first 70 days post-calving and kept in the same environment and under the same feeding and management conditions. Mean values for BCS at calving were 2.98±0.9 (mean±standard error of the mean [SEM]) and 4.21±0.9 (mean±SEM) for the HBCS and LBCS groups, respectively. Results: The HBCS group showed higher milk fat content (p = 0.007) and milk fat yield (p = 0.027) and a higher concentration of milk urea nitrogen (p = 0.001) than LBCS buffaloes, which in turn had a lower urine pH value (p = 0.033) than HBCS buffaloes in the pre-calving period (7.86 for HBCS vs 7.76 for LBCS). The HBCS animals had a higher concentration of erythrocytes (p = 0.001) and hematocrit (p = 0.012) post-calving and a higher hemoglobin concentration (p = 0.004) pre-calving. Conclusion: Buffaloes during the transition period exhibited some variations in the oxidative stress related to their metabolic status. After calving, buffaloes with a high BCS at calving and greater lipid mobilization have a more marked alteration in oxidative status, but improved production performance.
( Marlon De Freitas Fonseca ),( Lilian Carvalho Aragao ),( Felipe Ventura Sessa ),( Jose Anacleto Dutra De Resende Jr ),( Claudio Peixoto Crispi ) 대한산부인과학회 2018 Obstetrics & Gynecology Science Vol.61 No.5
Objective To assess the correlation between different pain symptoms and different domains of women's health-related quality of life (HRQoL). Methods Seventy-seven women with deep infiltrating endometriosis were successively enrolled between June 2011 and August 2013 while being prepared to undergo laparoscopy due to pain and/or infertility. We quantified the intensities of dysmenorrhea, deep dyspareunia, chronic pelvic pain, and dyschezia (menstrual and non-menstrual) using a 11-point visual analog scale (VAS: 0-10) and the validated full versions of the Short Form 36 (SF36) and Endometriosis Health Profile (EHP30) questionnaires to assess HRQoL. The pain symptoms were considered simultaneously in a hierarchical agglomerative clustering method (exploratory multivariate approach) and the associations among scores were tested by bivariate correlation. Results Dysmenorrhea showed the lowest similarity on to the multivariate cluster analysis and no statistically significant correlation with the other pain symptoms: deep dyspareunia (P=0.244), chronic pelvic pain (P=0.108), menstrual dyschezia (P=0.238), and non-menstrual dyschezia (P=0.380). Dysmenorrhea and chronic pelvic pain were the main symptoms correlated with all domains of the SF36 and the EHP30 (core instrument) questionnaires (P<0.05). Conclusion Dysmenorrhea and chronic pelvic pain were independent factors associated with HRQoL.
Push-out bond strength of a self-adhesive resin cement used as endodontic sealer
Gurgel-Filho, Eduardo Diogo,Lima, Felipe Coelho,Saboia, Vicente De Paula Aragao,Coutinho-Filho, Tauby De Souza,Neves, Aline De Almeida,da Silva, Emmanuel Joao Nogueira Leal The Korean Academy of Conservative Dentistry 2014 Restorative Dentistry & Endodontics Vol.39 No.4
Objectives: The aim of the present study was to investigate the bond strength of RelyX Unicem (3M) to root canal dentin when used as an endodontic sealer. Materials and Methods: Samples of 24 single-rooted teeth were prepared with Gates Glidden drills and K3 files. After that, the roots were randomly assigned to three experimental groups (n = 8) according to the filling material, (1) AH Plus (Dentsply De Trey GmbH)/Gutta-Percha cone; (2) Epiphany SE (Pentron)/Resilon cone; (3) RelyX Unicem/Gutta-Percha cone. All roots were filled using a single cone technique associated to vertical condensation. After the filling procedures, each tooth was prepared for a push-out bond strenght test by cutting 1 mm-thick root slices. Loading was performed on a universal testing machine at a speed of 0.5 mm/min. One-way analysis of variance and Tukey test for multiple comparisons were used to compare the results among the experimental groups. Results: Epiphany SE/Resilon showed significantly lower push-out bond strength than both AH Plus/Gutta-Percha and RelyX Unicem/Gutta-Percha (p < 0.05). There was no significant difference in bond strength between AH Plus/Gutta-Percha and RelyX Unicem/Gutta-Percha (p > 0.05). Conclusions: Under the present in vitro conditions, bond strength to root dentin promoted by RelyX Unicem was similar to AH Plus. Epiphany SE/Resilon resulted in lower bond strength values when compared to both materials.
De novo Regeneration of Fertile Common Bean (Phaseolus vulgaris L.) Plants
Albino Margareth M.C.,Vianna Giovanni R.,Falcao Rosana,Aragao Francisco J.L. The Korean Society of Plant Biotechnology 2005 Plant molecular biology and biotechnology research Vol.7 No.4
Common bean (Phaseolus vulgaris L.) plants were regenerated via organogenesis from mature embryonic axes, cultured on MS medium supplemented with ildole-3-ecetic acid (IAA) and thidiazuron (TDZ) for one week in the dark. Embryonic axillary regions were excised, longitudinally cut to split the both sides, and cultured for two weeks on MS medium supplemented with IAA and TDZ. The combination 0.5 mg $l^{-1}$ TDZ/0.5 mg $l^{-1}$ IAA presented the higher efficiency in shoot regeneration and the combination 0.5 mg $l^{-1}$ TDZ/0.25 mg $l^{-1}$ IAA presented the higher efficiency in conversion of shoots to plants. Regenerating explants were transferred to MS medium containing 1 mg $l^{-1}$ BAP for shoot development. All elongated shoots were rooted in vitro, presented normal phenotype and produced viable seeds. Histological analysis confirmed the mode of regeneration as de novo shoot organogenesis.
Marcelo de Oliveira, Santos,Albuquerque de Barros, Erika Valeria Saliba,Penha Tinoco, Maria Laine,Miranda Brasileiro, Ana Cristina,Lima Aragao, Francisco Jose The Korean Society of Plant Biotechnology 2002 Plant molecular biology and biotechnology research Vol.4 No.2
In order to achieve repetitive somatic embryogenesis in cacao (Theobroma cacao L.), callus derived from floral tissues were continuously cultured in a medium containing 2,4-D. In 5% of the explants, repetitive somatic embryogenesis was observed after 8 weeks and maintained in a globular stage for several weeks. This is the first report showing repetitive somatic embryogenesis in cacao. The calli were bombarded with a plasmid containing $\beta$-glucuronidase (gus) as reporter gene. Two week old calli showed the high average number of cells expressing the us gene. The effect of osmotic agents (mannitol, sorbitol and sucrose) on gene expression was evaluated. Pre-treatment during 16 h with 0.25 M mannitol revealed an improvement in gene expression. The potential utilization of the repetitive embryogenesis, combined with osmotic treatment, is discussed as an alternative to achieve stable transgenic cacao plants.