scholarly journals Abscysic acid and compatibility of atemoya (Annona x atemoya Mabb.) grafted onto native species

2018 ◽  
Vol 40 (4) ◽  
Author(s):  
Daniel Baron ◽  
Juliana Iassia Gimenez ◽  
Gisela Ferreira
Keyword(s):  
Abscisic Acid ◽  
Plant Material ◽  
Native Species ◽  
Sao Paulo ◽  
Effective Technique ◽  
Genetic Characteristics ◽  
Botany Department ◽  
Fruit Species ◽  
Plant Cultivation ◽  
The Relationship

Abstract Grafting is an effective technique used in the cultivation of commercial fruit species given the necessity to guarantee the genetic characteristics of productive species using selected clones. Although grafting is a common and widespread technique and phytohormones play a key role in the formation of tissues, the relationship between phytohormones, such as abscisic acid, and mechanisms of incompatibility is not yet well elucidated. Thus, the objective of this study was to establish whether a correlation exists between variations in abscisic acid and the compatibility of the atemoya (Annona x atemoya Mabb.) cultivar ‘Thompson’ grafted onto biribá [Annona mucosa (Bail.) H. Rainer], araticum-mirim [Annona emarginata (Schltdl.) H. Rainer ‘var. mirim’] and araticum-de-terra-fria [Annona emarginata (Schltdl.) H. Rainer ‘var. terra-fria’]. Plant cultivation was carried out at the Botany Department of Instituto de Biociências (IB), Unesp, Botucatu, São Paulo, Brazil. The plant material of grafted plants (stem above the grafted area, stem containing the grafted region, and stem below the grafted region) and ungrafted plants (stem 20 cm above ground) was collected 500 days after grafting (DAG) for the extraction and quantification of abscisic acid. The results of this study show that ungrafted Annona plants exhibit variations in the concentration of abscisic acid among the native rootstock species. When grafted, the most commonly used grafting combinations, araticum-de-terra-fria and araticum-mirim, present the same concentrations of abscisic acid in the graft region as self-grafted atemoya. It was concluded that the observed variations in the concentrations of abscisic acid in the graft region did not cause incompatibility in the combinations of atemoya grafted onto different native species.

Reflexões acerca do marxismo “herético” de Ernst Bloch

2019 ◽  
Vol 11 (3) ◽  
pp. 139-155
Author(s):  
Marta Maria Aragão Maciel
Keyword(s):  
Rio De Janeiro ◽  
Sao Paulo ◽  
São Paulo ◽  
Porto Alegre ◽  
Ernst Bloch ◽  
Ernest Bloch ◽  
Radical Critique ◽  
Enrique Dussel ◽  
Principal Work ◽  
The Relationship

Resumo: O presente texto objetiva uma abordagem, no interior do pensamento de Ernst Bloch (1885/1977), acerca da relação entre marxismo e utopia: um vínculo incomum no interior do marxismo, comumente tido numa oposição inconciliável. Daí a apropriação do termo “herético” em referência ao marxismo do autor alemão: a expressão é usada não em sentido pejorativo, mas apenas para situar seu distanciamento do marxismo vulgar, bem como sua intenção de crítica radical dessa tradição. Aqui entendemos que é, em particular, por meio da relação entre marxismo e utopia que o pensamento de Ernst Bloch aparece como um projeto inelutavelmente político com vistas a uma filosofia da práxis concreta na principal obra do autor: O Princípio esperança (Das Prinzip Hoffnung) [1954/1959]. Neste livro encontramos, com efeito, a tentativa de pensar a atualidade do marxismo para o contexto do século XX, a era das catástrofes, conforme definição do historiador Eric Hobsbawm. Palavras-chave: Marxismo. Utopia. Dialética. Crítica social. Cultura.  Abstract: This paper presents an approach within the thinking of Ernst Bloch (1885/1977) about the relation between Marxism and Utopia: an unusual link within Marxism, commonly held in an irreconcilable opposition. Hence the appropriation of the term "heretical" in reference to the German author's Marxism: the expression is used not in a pejorative sense, but only to situate its distancing from vulgar Marxism, as well as its intention of a radical critique of this tradition. Here we understand that it is particularly through the relationship between Marxism and Utopia that Ernst Bloch's thought appears as an ineluctably political project with a view to a philosophy of concrete praxis in the principal work of the author: The Principle Hope (Das Prinzip Hoffnung) [1954/1959]. In this book we find, in effect, the attempt to think the actuality of Marxism in the context of the age of catastrophe - as defined by Eric Hobsbawm - that is, the long twentieth century that experienced the extreme barbarism of the concentration camp, of which the thinker in question, Jewish and Communist, managed to escape.  Keywords: Marxism. Utopia. Dialectics. Social criticismo. Culture. REFERÊNCIAS   ALBORNOZ, Suzana. O enigma da Esperança: Ernst Bloch e as margens da história do espírito. Petrópolis, RJ: Vozes, 1995.   ALBORNOZ, Suzana. Ética e utopia: ensaio sobre Ernst Bloch. 2ª edição. Porto Alegre: Movimento; Santa Cruz do Sul: EdUSC, 2006.  BICCA, Luiz. Marxismo e liberdade. São Paulo: Loyola, 1987.  BLOCH, Ernst. Filosofia del Rinascimento. Trad. it. de Gabriella Bonacchi e Katia Tannenbaum. Bologna: il Mulino, 1981.     BLOCH, Ernst. Héritage de ce temps. Trad. Jean Lacoste. Paris: Payot, 1978.  BLOCH, Ernst. O Princípio Esperança [1954-1959]. Vol. I.  Trad. br. Nélio Schneider. Rio de Janeiro: EdUERJ; Contraponto, 2005.   BLOCH, Ernst. O Princípio Esperança [1954-1959]. Vol. II. Trad. br. Werner Fuchs. Rio de Janeiro: EdUERJ; Contraponto, 2006.   BLOCH, Ernst. O Princípio Esperança [1954-1959]. Vol. III. Trad. br. Nélio Schneider. Rio de Janeiro: EdUERJ; Contraponto, 2006.  BLOCH, Ernst. Du rêve à l’utopie: Entretiens philosophiques. Textos escolhidos e prefaciados por Arno Münster. Paris: Hermann, 2016.  BLOCH, Ernst. Thomas Münzer, Teólogo da Revolução [1963]. Trad. br. Vamireh Chacon e Celeste Aída Galeão. Rio de Janeiro: Tempo Brasileiro, 1973.  BLOCH, Ernst. L’esprit de l’utopie, [1918-1023]. Trad. fr. de Anne Marie Lang e Catherine Tiron-Audard. Paris: Gallimard, 1977.  BLOCH, Ernst. El pensamiento de Hegel. Trad. esp. de Wenceslao Roces. Mexico; Buenos Aires: Fondo de Cultura Economica, 1963.   BOURETZ, Pierre. Testemunhas do futuro: filosofia e messianismo. Trad. J. Guinsburg. São Paulo: Perspectiva, 2011, p. 690.  FREUD, Sigmund. Los sueños [1900-1901]. Trad. Luis Lopez-Ballesteros et al., Madrid: Biblioteca Nueva, 1981.  FREUD, Sigmund. A Interpretação dos sonhos. Vol. I. Trad. Jayme Salomão. Rio de Janeiro: Imago, 2006.  HORKHEIMER, Max. Filosofia e teoria crítica. In: Textos escolhidos. Trad. de José Lino Grünnewald. São Paulo: Abril Cultural, 1980, p. 155 (Coleção Os Pensadores.). MÜNSTER, Arno. Ernst Bloch: filosofia da práxis e utopia concreta. São Paulo: UNESP, 1993.     MÜNSTER, Arno. Utopia, Messianismo e Apocalipse nas primeiras de Ernst Bloch. Trad. br. de Flávio Beno Siebeneichler. São Paulo: UNESP, 1997.  PIRON-AUDARD, Catherine. Anthropologie marxiste et psychanalyse selon Ernst Bloch. In: RAULET, Gérard (org.). Utopie-marxisme selon Ernst Bloch: un système de l'inconstructible. Payot: Paris, 1976. VIEIRA, Antonio Rufino. Princípio esperança e a “herança intacta do marxismo” em Ernst Bloch. In: Anais do 5° Coloquio Internacional Marx-Engels. Campinas: CEMARX/Unicamp. Disponível em: <www.unicamp.br / cemarx_v_coloquio_arquivos_arquivos /comunicacoes/gt1/sessao6/Antonio_Rufi no.pdf>.  VIEIRA, Antonio Rufino. Marxismo e libertação: estudos sobre Ernst Bloch e Enrique Dussel. São Leopoldo: Nova Harmonia, 2010.  RAULET, Gérard (Organizador). Utopie - marxisme selon Ernst Bloch: un sistème de l’inconstructible. Paris: Payot, 1976.  ZECCHI, Stefano. Ernest Bloch: Utopia y Esperanza en el Comunismo [1974]. Trad. esp. de Enric Pérez Nadal, Barcellona: Península, 1978.  

Thickness of endometrium: predictor of the effectiveness of IVF/ICSI programs (literature review)

GYNECOLOGY ◽  
2018 ◽  
Vol 20 (1) ◽  
pp. 113-116
Author(s):  
L A Bagdasaryan ◽  
I E Korneyeva
Keyword(s):  
Assisted Reproductive Technologies ◽  
Endometrial Thickness ◽  
Molecular Genetic ◽  
Uterine Cavity ◽  
Reproductive Technologies ◽  
Genetic Characteristics ◽  
Vitro Fertilization ◽  
Need To Evaluate ◽  
The Relationship

The aim of the study is to systematically analyze the data available in the modern literature on the relationship between endometrial thickness and the frequency of pregnancy in the program of assisted reproductive technologies (ART). Materials and methods. The review includes data from foreign and domestic articles found in PubMed on this topic. Results. The article presents data on the relationship between the thickness of the endometrium and the frequency of pregnancy in ART programs. The greatest number of studies is devoted to the evaluation of the relationship between the thickness of the endometrium and the frequency of pregnancy on the day of the ovulation trigger. Data are presented on the existence of a correlation between the thickness of the endometrium measured on the day of the ovulation trigger and the frequency of clinical pregnancy, as well as data on the need to evaluate the structure of the endometrium and the state of subendometric blood flow. The importance of multilayered (three-layered) endometrium as a prognostic marker of success in in vitro fertilization/intracytoplasmic sperm injection programs in the ovum is emphasized. The conclusion. The thickness of the endometrium can not be used as an argument for canceling the cycle or abolishing embryo transfer to the uterine cavity. Further studies in this direction are needed with a study of the morphological and molecular genetic characteristics of the endometrium, which in the future will allow us to evaluate the relationship between the thickness of the endometrium and the probability of pregnancy.

Anemia and dementia among the elderly: the São Paulo Ageing & Health Study

2011 ◽  
Vol 24 (1) ◽  
pp. 74-81 ◽  
Author(s):  
Itamar S. Santos ◽  
Márcia Scazufca ◽  
Paulo A. Lotufo ◽  
Paulo R. Menezes ◽  
Isabela M. Benseñor
Keyword(s):  
Low Income ◽  
Univariate Analysis ◽  
The Elderly ◽  
Sao Paulo ◽  
Health Study ◽  
São Paulo ◽  
Total Blood ◽  
Cross Sectional ◽  
The Relationship ◽  
Life Function

ABSTRACTBackground: Anemia and dementia are common diseases among the elderly, but conflicting data are available regarding an association between these two conditions. We analyzed data from the São Paulo Ageing & Health Study to address the relationship between anemia and dementia.Methods: This cross-sectional observational study included participants aged 65 years and older from a deprived area of the borough of Butantan, São Paulo, Brazil. Data about demographics, education, income, and cognitive and daily life function were collected, as well as blood samples. Anemia and dementia were defined according to WHO and DSM-IV criteria, respectively.Results: Of the 2267 subjects meeting the inclusion criteria, 2072 agreed to participate in the study; of whom 1948 had a valid total blood count and were included in the analysis. Anemia was diagnosed in 203 (10.2%) participants and dementia in 99 (5.1%). The frequency of anemia was higher in patients with dementia according to univariate analysis (odds ratio (OR) = 2.00, 95% confidence interval (CI) = 1.17–3.41, p = 0.01), but this association was not present after adjusting for age (OR = 1.33, 95% CI = 0.76–2.33, p = 0.32). Further multivariate adjustment did not change the results.Conclusion: Although anemia and dementia are frequent disorders in older people, we found their relationship to be mediated exclusively by aging in this low-income population from São Paulo.

scholarly journals Socioeconomic inequalities and exposure to traffic-related air pollution in the city of São Paulo, Brazil

2014 ◽  
Vol 30 (1) ◽  
pp. 119-125 ◽  
Author(s):  
Mateus Habermann ◽  
Míriam Souza ◽  
Rogério Prado ◽  
Nelson Gouveia
Keyword(s):  
Air Pollution ◽  
Socioeconomic Status ◽  
Air Pollutants ◽  
Epidemiological Studies ◽  
Sao Paulo ◽  
Health Concern ◽  
Traffic Density ◽  
São Paulo ◽  
The Relationship ◽  
The City

Air pollution is a leading public health concern. In addition, poor populations have been reported as showing increased exposure to such pollution. The current study thus aimed to evaluate the socioeconomic status of the population exposed to vehicle-related air pollution in the city of São Paulo, Brazil. The study used data from the 2010 Census on head-of-household’s mean monthly income and the percentage of households connected to the sewage system. Exposure to air pollutants was estimated according to traffic density in the census tract plus a 200m surrounding buffer. The relationship between exposure and socioeconomic variables was analyzed by the Kruskal-Wallis test. Exposure increased with increasing socioeconomic status (p < 0.001). The population with the highest socioeconomic status lives in the most polluted areas of the city. However, place of residence alone is not capable of measuring exposure. The study suggests that future epidemiological studies include other indicators of vulnerability.

scholarly journals Ticks infesting birds in Atlantic Forest fragments in Rio Claro, State of Sao Paulo, Brazil

2013 ◽  
Vol 22 (1) ◽  
pp. 6-12 ◽  
Author(s):  
Gustavo Seron Sanches ◽  
Thiago Fernandes Martins ◽  
Ileyne Tenório Lopes ◽  
Luís Flávio da Silva Costa ◽  
Pablo Henrique Nunes ◽  
...  
Keyword(s):  
Atlantic Forest ◽  
Tick Species ◽  
Native Species ◽  
Sao Paulo ◽  
Native Forest ◽  
Forest Fragments ◽  
São Paulo ◽  
Eucalyptus Tereticornis ◽  
New Host ◽  
New Host Records

In the present study, we report tick infestations on wild birds in plots of the Atlantic Forest reforested fragments with native species and plots reforested with Eucalyptus tereticornis in the municipality of Rio Claro, State of Sao Paulo, Brazil. A total of 256 birds were captured: 137 individuals of 33 species, in planted native forest; and 128 individuals of 37 species, in planted Eucalyptus tereticornis forest. Nymphs of two tick species were found on the birds: Amblyomma calcaratumand Amblyomma longirostre, the former was more abundant in the fragments reforested with Atlantic forest native species, and the latter in the fragment reforested with E. tereticornis. New host records were presented for A. calcaratum.

scholarly journals Alien Species vs. Native Species: From Community Ecology to Eco-Evolutionary Dynamics

2019 ◽  
Author(s):  
Andersonn Silveira Prestes
Keyword(s):  
Alien Species ◽  
Exotic Species ◽  
Native Species ◽  
Evolutionary Dynamics ◽  
Evolutionary Processes ◽  
Native Communities ◽  
Individualized Approach ◽  
History Of ◽  
Relationship Of ◽  
The Relationship

The establishment and spread of exotic species is a contemporary major concern. Alien species may become invasive in their new habitat, leading to both/either environmental and/or economic impacts. I briefly reviewed the literature in the last decade about the relationship of exotic species and native communities. I identified that professionals usually approach the subject in two main points of view: (1) researchers tend to point out the impacts of alien species on entire communities, evaluating if the relationship is positive, negative or neutral; (2) they focus on the eco-evolutionary processes involved in the introductions, the dynamics of invasion, and individual study cases. When evaluating the response of introductions to entire communities, evidence seems to be ambiguous and may support positive, negative or neutral relationship, especially depending on the scale approached. The unique eco-evolutionary pathways of each introduction may be a great shortcoming in the searching for generalities. On the other hand, advances have been made in understanding the dynamics of invasion on different lineages through a more selective/individualized approach. I suggest that the dynamics of invasion might be studied through a perspective in which different eco-evolutionary processes, levels of organization (from gene to entire communities), the history of the organism(s) and time are taken into account. Individual cases might be compared in attempt to understand how the relationship exotic and native works and in the search for generalities.

scholarly journals Analysis of partnerships for actions intra-sectoral and inter-sectors for health in areas of high socio-environmental vulnerability in the city of São Paulo/Brazil: a mixed method study

2019 ◽  
Author(s):  
Patricia Melo Bezerra ◽  
Iara Coelho Zito Guerriero
Keyword(s):  
Social Inequalities ◽  
Statistical Significance ◽  
Well Being ◽  
Sao Paulo ◽  
Second Phase ◽  
São Paulo ◽  
Different Types ◽  
The Relationship ◽  
The City ◽  
Basic Health Units

Abstract Context Since poverty areas are socioeconomic complex and limiting environments, there is a need to develop intra-sectoral and inter-sectoral actions in the health territory in order to achieve the economic and social well-being of people and society. This research aims to understand the relationship between inter-sectorial and inter-sectoral actions for health and socio-environmental groupings of the most vulnerable health territories in the city of São Paulo, identify which are the most frequent partners of these actions and how professionals experience these partnerships in their daily lives.Method We adopted the mixed sequential and explanatory method. In the first phase, an online form is applied and identifies the Basic Health Units (BHU) that take place as intersectoral actions with more partners. In the second phase, we explored how the professionals consider the characteristics of the territory where they act to seek partnerships and how they carry out the actions.Results Analysis of quantitative data indicated that: a) More than 98% of BHUs conduct intra- and inter-sectoral partnerships and b) there is no relationship between the indices of the most vulnerable groupings and the presence of intra- and inter-sectoral actions with statistical significance p <0.05. The content analysis of literal transcriptions pointed out that: intra- and inter-sectoral practices developed in the health territories were driven by the needs of the treatment of diseases or by the precarious conditions of life of individual or collectivities. However, in order to assist different types of violence, health professionals avoid seeking partnerships, including with the Tutelary Council and the Center for Human Rights, as they fear they will suffer reprisals by those who cause this violence. There was consistency between quantitative and qualitative data, except for partnership with education, other BHUs, environment, and the Tutelary Council.Conclusion The construction of personalized partnerships for individual and collective health, in order to cope with social inequalities; of chronic diseases and by phases of the life cycle involved in socioeconomic fragilities that generate more poverty is part of the job from BHU’s professionals.

scholarly journals Amateur surfing on the south coast of São Paulo: lifestyle and work as factors of adherence to practice

1989 ◽  
Author(s):  
Luiz Carlos Marinovic Doro ◽  
◽  
Vinícius Demarchi Silva Terra ◽  
Império Lombardi Junior
Keyword(s):  
Sao Paulo ◽  
South Coast ◽  
São Paulo ◽  
Way Of Life ◽  
The South ◽  
Job Stability ◽  
Future Studies ◽  
Employment Conditions ◽  
The Family ◽  
The Relationship

In the present study, we dealt with the relationship between lifestyle and adherence to the physical activity and discussed the conditions that make it possible for amateur to remain in a complex practice as surfing. For these purpose, we interviewed eleven surfers with over eleven years of uninterrupted practice on the South Coast of São Paulo. Through an analysis of the interviews content, it was possible to verify that their permanence is less influenced by gender issues, age and marital status (usually prioritized in the literature about this subject) than employment conditions. It is argued that adherence to surfing is linked to lifestyle and youth ideals, while the conditions for the continuity of the amateurs practice involves the family and employment ties, whose stability gives security to the routine and modulates the possibilities between social times and nature times. Thus, mature surfers narrate a way of life that values prudent attitudes as a way of redefining surfing in their lives, pointing out to a transformation of surf culture. It is considered that the relationship between permanence in practice and job stability deserves to be investigated in future studies

scholarly journals Corrupção e violência no sistema penitenciário de São Paulo / Corruption and Violence at São Paulo's Penitenciary Prison

2016 ◽  
Vol 5 (1) ◽  
pp. 207-220
Author(s):  
Marisol de Paula Reis
Keyword(s):  
Social Representations ◽  
Pierre Bourdieu ◽  
Sao Paulo ◽  
São Paulo ◽  
Illegal Activity ◽  
Professional Category ◽  
The Social ◽  
Object Of Study ◽  
Relationship Of ◽  
The Relationship

ABSTRACTThe present work has as object of study the Penitentiary Security ex-Agent (ex-ASP) who is in prison regime by the crime of passive corruption (Article 317 - Brazilian Penal Code). The study answered the following questions: 1) What do staffs and ex-staffs think on the practice of corruption exercised between institutional staffs and some prisoners inside the Sao Paulo's Prisons? 2) What are the representations for the conduct of the ASP's? 3) How do these representations explain the inclusion of some staffs in illegal activity by way of corruption? What is the relationship between corruption and violence? This is a qualitative research with questionnaires and interviews script sticking to the viewpoint of those involved in acts of corruption (the ex-ASP's) and the speeches of the staffs in the exercises of function. The social representations was used as theoretical and methodological axes to present the explanatory elements (material and symbolic) that guide the conduct of this professional category about the corruption and the relationship of this practice with the intramural violence. Authors such as Pierre Bourdieu, Michel Wieviorka, Alves-Mazzoti, Denise Jodelet and Campos Coelho contributed to the discussion proposed.RESUMOO presente trabalho tem como objeto de estudo o ex-Agente de Segurança Penitenciária (ex-ASP) que se encontra em regime de prisão pela prática do crime de corrupção passiva (artigo 317 - Código Penal Brasileiro). O estudo respondeu às seguintes preocupações: 1) O que pensam Agentes Penitenciários e ex-ASP´s sobre a prática da corrupção exercida entre agentes institucionais e alguns presos no interior das prisões de São Paulo? 2) Quais são as representações para tal conduta dos ASP’s? 3) Como essas representações explicam a inserção de alguns agentes penitenciários na atividade ilegal pela via da corrupção? Qual a relação entre corrupção e violência? Trata-se de pesquisa qualitativa, com aplicação de questionários e roteiro de entrevistas, atendo-se ao ponto de vista dos sujeitos envolvidos em atos de corrupção (os ex-ASP´s), e às falas dos agentes de segurança penitenciária em exercício da função. Utilizou-se as representações sociais como eixos teórico e metodológico, para apresentar os elementos explicativos (materiais e simbólicos) que orientam a conduta desta categoria profissional sobre a corrupção, e a relação desta prática com a violência intramuros. Autores como Pierre Bourdieu, Michel Wieviorka, Alves-Mazzoti, Denise Jodelet e Campos Coelho contribuíram para a discussão proposta.

scholarly journals Produção textual e autoria em ambiente virtual de aprendizagem: uma escrita dialógica / Textual production and authorship in virtual learning environment: a dialogical writing

2017 ◽  
Vol 10 (2) ◽  
pp. 308-323
Author(s):  
Claudemir Sousa
Keyword(s):  
Learning Environment ◽  
Mikhail Bakhtin ◽  
Virtual Learning ◽  
Sao Paulo ◽  
Virtual Learning Environment ◽  
São Paulo ◽  
Textual Production ◽  
Technological Tools ◽  
The Impact ◽  
The Relationship

RESUMO: As possibilidades oferecidas pelas ferramentas tecnológicas para a produção de texto afetam sobremaneira a concepção que temos de escrita e de autoria. Neste artigo, objetivamos discutir uma concepção dialógica de escrita e de autoria, tendo como objeto de análise uma interação virtual escrita realizada por estudantes de uma universidade pública do estado de São Paulo. Essa discussão está ancorada nos pressupostos teóricos de Mikhail Bakhtin e seus interlocutores contemporâneos acerca das categorias teóricas autor e dialogismo, bem como em estudos sobre os impactos do uso de ferramentas tecnológicas na produção textual para a relação com a escrita e a autoria, sobretudo em Ambientes Virtuais de Aprendizagem. Concluímos que a escrita no Ambiente Virtual de Aprendizagem ocorre em um processo dialógico entre alunos, professor(es) e textos outros, havendo convergências ou divergências quando os alunos assumem o lugar de autor que organiza vozes.PALAVRAS-CHAVE: escrita; autoria; dialogismo; ambiente virtual de aprendizagem.ABSTRACT: The possibilities offered by the technological tools for the production of text greatly affect the conception we have of writing and authorship. In this article, we aim at discussing a dialogical conception of writing and authorship, by analyzing a virtual written interaction made by students of a public university in the state of São Paulo. This discussion is anchored in the theoretical assumptions of Mikhail Bakhtin and his contemporary interlocutors about the theoretical categories of author and dialogism, as well as on studies about the impact of the use of technological tools in textual production on the relationship with writing and the authorship, especially in virtual learning environments. We conclude that writing in the Virtual Learning Environment occurs in a dialogical process between students, teacher(s) and other texts, occurring convergences or divergences when students take the place of author who organizes voices.KEYWORDS: writing; authorship; dialogism; virtual learning environment.

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