Abstract:ESTE ARTIGO apresenta sucintamente os limites das teorias sobre as migrações internas dando especial destaque o fluxo ocorrido entre o Nordeste e a Amazônia brasileira, numa tentativa de esboçar algumas reflexões sobre migração como agente na (re) produção do espaço, com identidades culturais espelhadas na paisagem urbana, com territorialidades objetivas e subjetivas, adquiridas pelos espaços (lugares) anteriormente percorridos na longa trajetória dos atores (migrantes), esboçando permanentemente identidades q… Show more
“…The population dynamics herein reconstructed for the HIV-1 B CAR-BR-I epidemic in Amazonas and Roraima support an initial phase of exponential growth during the 1980s and 1990s. This exponential growth phase coincides with a constant increase in the number of new HIV cases in the states of Amazonas and Roraima (Figure 3) and also coincides with a significant population (Figure S1) and economic growth driven by the expansion of the local industrial park in Manaus (capital of Amazonas) and the rise of legal/illegal mining activities in Roraima [30,31,32]. Between 1980 and 2000, the population grew from 1.4 million to over 2.8 million individuals in Amazonas and from 82,000 to nearly 325,000 inhabitants in Roraima (Figure S1).…”
Non-pandemic variants of the Human Immunodeficiency Virus Type 1 (HIV-1) subtype B accounts for a significant fraction of HIV infections in several Caribbean islands, Northeastern South American countries and the Northern Brazilian states of Roraima and Amazonas. In this paper, we used a comprehensive dataset of HIV-1 subtype B pol sequences sampled in Amazonas and Roraima between 2007 and 2017 to reconstruct the phylogeographic and demographic dynamics of the major HIV-1 subtype B non-pandemic Brazilian lineage, designated as BCAR-BR-I. Our analyses revealed that its origin could be traced to one of many viral introductions from French Guiana and Guyana into Northern Brazil, which probably occurred in the state of Amazonas around the late 1970s. The BCAR-BR-I clade was rapidly disseminated from Amazonas to Roraima, and the epidemic grew exponentially in these Northern Brazilian states during the 1980s and 1990s, coinciding with a period of economic and fast population growth in the region. The spreading rate of the BCAR-BR-I clade, however, seems to have slowed down since the early 2000s, despite the continued expansion of the HIV-1 epidemic in this region in the last decade.
“…The population dynamics herein reconstructed for the HIV-1 B CAR-BR-I epidemic in Amazonas and Roraima support an initial phase of exponential growth during the 1980s and 1990s. This exponential growth phase coincides with a constant increase in the number of new HIV cases in the states of Amazonas and Roraima (Figure 3) and also coincides with a significant population (Figure S1) and economic growth driven by the expansion of the local industrial park in Manaus (capital of Amazonas) and the rise of legal/illegal mining activities in Roraima [30,31,32]. Between 1980 and 2000, the population grew from 1.4 million to over 2.8 million individuals in Amazonas and from 82,000 to nearly 325,000 inhabitants in Roraima (Figure S1).…”
Non-pandemic variants of the Human Immunodeficiency Virus Type 1 (HIV-1) subtype B accounts for a significant fraction of HIV infections in several Caribbean islands, Northeastern South American countries and the Northern Brazilian states of Roraima and Amazonas. In this paper, we used a comprehensive dataset of HIV-1 subtype B pol sequences sampled in Amazonas and Roraima between 2007 and 2017 to reconstruct the phylogeographic and demographic dynamics of the major HIV-1 subtype B non-pandemic Brazilian lineage, designated as BCAR-BR-I. Our analyses revealed that its origin could be traced to one of many viral introductions from French Guiana and Guyana into Northern Brazil, which probably occurred in the state of Amazonas around the late 1970s. The BCAR-BR-I clade was rapidly disseminated from Amazonas to Roraima, and the epidemic grew exponentially in these Northern Brazilian states during the 1980s and 1990s, coinciding with a period of economic and fast population growth in the region. The spreading rate of the BCAR-BR-I clade, however, seems to have slowed down since the early 2000s, despite the continued expansion of the HIV-1 epidemic in this region in the last decade.
“…The estimated median T MRCA of clades B CAR-BR-I (1978) B CAR-BR-IV (1982) coincides with a period of fast population growth and increasing geographical accessibility in Roraima. The population in Roraima increased from 41.000 to nearly 220.000 inhabitants between 1970 and 1990 [ 41 , 42 ]. This population growth was fueled by the creation of incentives to immigration and the inauguration of important highways that gave access to large areas of the state, including some at the border with Guyana [ 41 , 42 ].…”
Section: Discussionmentioning
confidence: 99%
“…The population in Roraima increased from 41.000 to nearly 220.000 inhabitants between 1970 and 1990 [ 41 , 42 ]. This population growth was fueled by the creation of incentives to immigration and the inauguration of important highways that gave access to large areas of the state, including some at the border with Guyana [ 41 , 42 ]. Many Brazilian migrants initially attracted by the rise of legal/illegal mining activities in Roraima later migrated to Guyana, and Brazil is (together with Suriname and Venezuela) one of the major migrants exporting countries to Guyana [ 33 , 37 , 38 ].…”
The Human immunodeficiency virus type-1 (HIV-1) epidemic in Brazil is mainly driven by the subtype B pandemic lineage (BPANDEMIC), while Caribbean non-pandemic subtype B clades (BCAR) seem to account for a very low fraction of HIV-infections in this country. The molecular characteristics of the HIV-1 subtype B strains disseminated in the Northern and Northeastern Brazilian regions, however, have not been explored so far. In this study, we estimate the prevalence of the HIV-1 BPANDEMIC and BCAR clades across different Brazilian regions and we reconstruct the spatiotemporal dynamics of dissemination of the major Brazilian BCAR clades. A total of 2,682 HIV-1 subtype B pol sequences collected from 21 different Brazilian states from the five country regions between 1998 and 2013 were analyzed. Maximum Likelihood phylogenetic analyses revealed that the BCAR strains reached 16 out 21 Brazilian states here analyzed. The BCAR clades comprise a low fraction (<10%) of subtype B infections in most Brazilian states analyzed, with exception of Roraima (41%), Amazonas (14%) and Maranhão (14%). Bayesian phylogeographic analyses indicate that BCAR strains originally from the Hispaniola and Trinidad and Tobago were introduced at multiple times into different states from all Brazilian regions and a few of those strains, probably introduced into Roraima, Maranhão and São Paulo between the late 1970s and the early 1980s, established secondary outbreaks in the Brazilian population. These results support that the HIV-1 subtype B epidemics in some Brazilian states from the Northern and Northeastern regions display a unique molecular pattern characterized by the high prevalence of BCAR lineages, which probably reflects a strong epidemiological link with the HIV-1 epidemics in the Caribbean region.
“…Estes vinham motivados por propagandas de pessoas que já tinham se estabelecido em outras regiões do território de Roraima, denominação que recebeu de 1962 a 1988, pois só depois passou a ser o estado de Roraima (Santos, 2010). De acordo com Vale (2006), o deslocamento de pessoas do Nordeste para a Amazônia nas últimas décadas tem sido muito comum, destaca também que a presença de maranhenses no estado é muito forte. Sobre a chegada dos primeiros maranhenses a Vila Novo Paraíso, obtivemos com um depoente a seguinte a informação:…”
Section: Presença De Maranhenses Na Vila Novo Paraísounclassified
“…O trabalho caracteriza-se por uma metodologia qualitativa com análise de conteúdo e os procedimentos metodológicos consistiram no levantamento bibliográfico e documental, bem como entrevistas com questões semiestruturadas e também a elaboração de Diários de Campo. Os dados foram analisados com base em estudos de Martins (2009), Oliveira (2007), Santos (2005;2008), Santos e Silveira (2001), Silva (2007) Souza (2006), Souza (2010) e Vale (2006), que discutem questões envolvendo espaço, lugar, paisagem, território, identidade, fronteira e características regionais do estado de Roraima.…”
<p>O trabalho aborda as alterações ocorridas no espaço Vila Novo Paraíso em Roraima, tendo como base a construção da Rodovia BR 174. O estudo tem como objetivo analisar o processo de construção do espaço territorial e cultural na Vila Novo Paraíso a partir da construção da Rodovia BR 174, considerando principalmente os grupos sociais de maranhenses e rio-grandenses que chegaram ao atual estado de Roraima via rodovia BR 174. A metodologia utilizada foi a pesquisa qualitativa no tratamento e análise de fontes bibliográficas, documentais, dados de entrevistas e dos diários de campo. Recorreu-se a conceitos como construção do espaço e paisagem, considerando a premissa que o espaço da Vila Novo Paraíso foi construído de acordo com as concepções culturais dos grupos sociais compostos por maranhenses e rio-grandenses que convivem na Vila em questão.</p>
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