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Thread: Brazilian Genetic Discussion342 days old

  1. #151
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    Genetic Distance between Southern Brazilian populations, Europe, Africa and Native America.

    STR data for 15 autosomal STR markers from Paraná (Southern Brazil)

    Allelic frequencies for 15 STR autosomal loci, using AmpFℓSTR® Identifiler™, forensic, and statistical parameters were calculated. All loci reached the Hardy–Weinberg equilibrium. The combined power of discrimination and mean power of exclusion were 0.999999999999999999 and 0.9999993, respectively. The MDS plot and NJ tree analysis, generated by FST matrix, corroborated the notion of the origins of the Paraná population as mainly European-derived. The combination of these 15 STR loci represents a powerful strategy for individual identification and parentage analyses for the Paraná population.

    Blood samples were collected from a total of 820 unrelated healthy individuals from the southern Brazilian state of Paraná. (not sure about RGS and SC but could be a "significant number too".


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    Just an estimation:

    Santa Catarina – 85,8 Euro, 8,5 African, 5,7 Ameridian
    Rio Grande do Sul – 82,2 Euro, 10,8 African, 7 Amerindian
    Paraná – 78 Euro, 10,8 African, 11,2 Amerindian
    Southern Brazil - 81,5 Euro, 10,2 African, 8,3 Amerindian

    Imo makes sense in fact Southern Brazil is very comparable with Baependi even according the Brazilians Census (76% self-declared White in Baependi vs 78,5% in Southern Brazil), a small Black-derived minority with a majority (~70%) of Off-Whites and Whites (80%-100% Euro), the difference of Baependi be only 78,5% and Southern Brazil being 81,5% is because Southern Brazil has much more people with recent European ancestry (more than 95% Euro and 100% Europeans), that is the main difference, whereas Baependi has only ~24% of their people over 90% European, Southern Brazil is at worst of the case, 40%*.

    *Colonial Brazil vs Colonial Brazil (more ~40% Post-Colonial recent immigrant)
    Last edited by Montanini; 2017-09-26 at 07:53.

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    Quote Originally Posted by Montanini View Post
    Just an estimation:

    Santa Catarina – 85,8 Euro, 8,5 African, 5,7 Ameridian
    Rio Grande do Sul – 82,2 Euro, 10,8 African, 7 Amerindian
    Paraná – 78 Euro, 10,8 African, 11,2 Amerindian
    Southern Brazil - 81,5 Euro, 10,2 African, 8,3 Amerindian

    I should have more patience to look at the triangle in fact and do the right calculations. But looking at this, the difference seems larger between Paraná and the other two states. Obviously I put some of my projections in the middle. Maybe it was something like ~76.5 - 83 - 88.5. The end result for the whole region wouldn't change that much though. Btw, imo the lowest I can argue for Paraná is 76% and the max 80%. Paraná falls in this zone probably. RGS is more European (especially the Center-North) and SC is even more European, so after all makes sense.

  5. #154
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    According this study of Kutz (2014) with 179 self-identified White Brazilians from Rio and São Paulo and 177 self-identified Blacks (could including Pardos imho)

    Despite the wide range and extensive overlap of individual proportions of European and African ancestry in both the black and the white cohorts in Figure 45.1, the average contribution of European ancestry is considerably higher in white (0.92, 0.86–0.95; median, first to third interquartile range) than black persons (0.34, 0.13–0.69), whereas African ancestry is much larger in self-identified blacks (0.54, 0.22–0.77) than whites (0.03, 0.02–0.06). The average proportion of Amerindian biogeographical ancestry in the white and black cohorts shown in Figure 45.1 is very similar, with median (interquartile range) values of 0.03 (0.02–0.06) and 0.04 (0.02–0.11), respectively.


    I think part of "Africa" could be just North Africa.

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    Piauí:

    Population data of the 46 insertion–deletion(INDEL) loci in population in Piauı State, Northeastern Brazil

    Samples: 204
    Brazil, were estimated using the genotype frequencies of 46 insertion–deletion (INDEL) markers investigated in 161 European root individuals (mostly Portuguese) [1], 189 individuals from subSaharan Africa [2,3] and 243 Native Americans belonging to Brazilian Amazon tribes [4,5]. Additionally, we compared the 46 INDEL genotype frequencies found in other Brazilian populations – 176 individuals in Belem, Para, 142 individuals of Japanese ancestry who live in Belem, 130 individuals from Macapa, Amapa and 310 from quilombos in Southeastern Brazil [6–8]. After obtaining informed consent from all participants, peripheral blood samples were collected from 204 healthy, unrelated individuals who reported at least two previous generations who were born in Piauı State

    When the allele frequencies obtained from the 46 INDELs investigated in the population of Piauı State were compared with the frequencies obtained from parental populations, we observed 60% European, 21.5% African and 18.5% Native American contributions.

    http://www.fsigenetics.com/article/S...159-2/fulltext

  7. #156
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    Last edited by Montanini; 2017-09-29 at 22:32.

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    São Paulo state 63,9%/5,52%/1,35%/29,1%/0,10%

    São José do Rio Preto region 74,1%/3,43%/0,76%/21,5%/0,06%
    Ribeirão Preto region 65,9%/5,93%/0,72/27,3%/0,07%
    Araçatuba region 62,4%/4,09%/1,83%/31,5%/0,08%
    Bauru region 71,0%/4,40%/0,90%/23,5%/0,11%
    Ararquara region 70,3%/5,06%/0,68%/23,8%/0,09%
    Piracicaba region 72,2%/5,29%/0,48%/21,89%/0,07%
    Campinas region 69,3%/5,13%/0,78%/24,6%/0,08%
    Presidente Prudente region 60,9%/4,09%/2,04%/32,7%/0,09%
    Marília region 62,2%/4,48%/2,68%/30,4%/0,15%
    Assis region 73,5%/3,38%/0,74%/22,2%/0,09%
    Itapetininga region 74,1%/2,40%/0,74%/22,6%/0,09%
    Macro Metropolitana Paulista region (Sorocaba, Itu, Jundiaí and Bragança Paulista are here) 71,8%%/3,99%/1,09%/22,9%/0,08%
    Vale do Paraíba region (São José dos Campos and Taubaté are here) 70,1%/4,53%/0,90%/24,3%/0,10%
    Litoral Sul Paulista region (Iguape and Registro are here) 56,2%/4,77%/1,39%/37,1%/0,44%
    Metropolitana de São Paulo (this is the region of São Paulo city) 58,7%/6,43%/1,73%/32,9%/0,11%

    Ribeirão Preto, SP

    23 Patients (SLE)
    110 Controls

    SLE: 66,2% European, 22% African, 11,8% Amerindian
    Controls: 77,8% European, 12,6% African, 9,5% Amerindian

    70K SNP result for both group:





    https://sci-hub.cc/10.1111/ahg.12208

    Of course I think the result of Controls is closer to reality since Ribeirão Preto region received many Italians in the last 100 years.

    A população de Ribeirão Preto contava com 12.033 habitantes em 1890. No ano de 1902 esse número
    praticamente quintuplicou, chegando a 52.929, sendo 27.765 italianos, um percentual de 52,4%.
    A população urbana
    era de 13.236 habitantes, enquanto os moradores da zona rural constituíam-se praticamente do triplo, 39.674
    distribuídos pelas diversas fazendas, chácaras, sítios e o Núcleo Colonial Antônio Prado.2
    Isto evidencia a atração
    exercida por essa região predominantemente agrária, com o desenvolvimento da agricultura cafeeira.
    http://anais.anpuh.org/wp-content/up...UH.S22.602.pdf
    http://www.anpuhsp.org.br/sp/downloa...a%20Cintra.pdf

  9. #158
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    Some guess

    Santa Catarina 55% 90%+ Caucasian people (3,85 millions) 80% 80% or more Caucasian people (5.6 million)
    Rio Grande do Sul 42,5% 90%+ Caucasian people (4,8 million) 72,5% 80% or more Caucasian people (8,2 million)
    Paraná 32,5% 90%+ Caucasian people (3,7 million) 67,5% 80% or more Caucasian people (7,6 million)
    São Paulo 32,5% 90%+ Caucasian people (14,6 million) 52,5% 80% or more Caucasian people (23,6 million)
    Rio de Janeiro 25% 90%+ Caucasian people (4,2 million) 45% 80% or more Caucasian people (7,5 million)
    Espirito Santo e Minas Gerais 20% 90%+ Caucasian people (5 million) 45% 80% or more Caucasian people (11,2 million)
    Center-West: 12,5% 90%+ Caucasian people (2 million) 27,5% 80% or more Caucasian people (4,36 million)
    Northeast 5% 90% Caucasian people (2,9 millon) 15% 80% or more Caucasian people (8,6 million)
    North: 3% 90%+ Caucasian people (0.5 million) 10% 80% or more Caucasian people (1.8 million)
    Brazil: 41,55 millions are 90% or more Caucasian (20% of Brazilians) 78,5 millions 80% or more Caucasian (37,8% of Brazilians)

    For regions:
    South: ~41,5% are 90%+ Caucasian, ~72% are 80% or more Caucasian. (= Rio Grande do Sul) (82,5% European as whole)
    Southeast: ~27,5% are 90%+ Caucasian, ~48,5% are 80% or more Caucasian (= Rio de Janeiro/São Paulo) (72% European as whole)
    Center-West: ~12,5% are 90%+ Caucasian, ~27,5% are 80% or more Caucasian (66,5% European as whole)
    Northeast: ~5% are 90%+ Caucasian, ~15% are 80% or more Caucasian (60% European as whole)
    North: ~3% are 90%+ Caucasian, ~10% are 80% or more Caucasian (52,5% European as whole)

    Comparison with:
    Buenos Aires: ~43 are 90%+ Caucasian, 57% are 80% or more Caucasian (80% European and 20% Amerindian) http://journals.plos.org/plosone/art...l.pone.0034695
    Cuba: ~24% are 90%+ Caucasian, 48% are 80%+ or more Caucasian (72% European) https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4109857/
    Brazil (estimated): 20% are 90%+ Caucasian, 37,8% are 80% or more European (68% European)

    IMO probably half of people between 80% Caucasian and 90% Caucasian could pass as European, other half probably show some Amerindian and/or African (especially African) features and could not.

    Self-Idenfied Whites in Brazil: 47,7% Self-Identified Pardos: ~43%
    Last edited by Montanini; 2017-10-19 at 23:52.

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    Southern Brazil


    Prediction
    Most Euro to Least Euro ===> Black > Black/Red > Red > Green > Brown
    Black would be 90% Euro as a whole, Black/Red 87,5%, Red 85%, Red/Green 82,5%, Green 80% and Brown 75%.


    So,

    Santa Catarina,
    Vale do Itajaí (1,51 million) 90% European
    Sul Catarinense (0,9 million) 90% European
    Norte Catarinense (1,21 million people) 87,5% European
    Grande Florianopolis (1,02 million) 87,5% European
    Oeste Catarinense (1,2 million) 85% European
    Serrana (0,4 million) 80% European
    https://pt.wikipedia.org/wiki/Lista_...Santa_Catarina

    Rio Grande do Sul,
    Centro Oriental Sul-Rio Grandense (0,78 million) 90% European
    Nordeste Rio Grandense (1,1 million) 90% European
    Noroeste Rio Grandense (1,95 million) 87,5% European
    Centro Ocidental Rio Grandense (0,54 million) 85% European
    Metropolitana de Porto Alegre (4,77 million) 82,5% European
    Sudeste Rio Grandense (0,92 million) 80% European
    Sudoeste Rio Grandense (0,72 million) 75% European
    http://carta.fee.tche.br/article/pib...001-11/http://

    Paraná,
    Sudoeste Paranaense (0,5 million) 85% European
    Sudeste Paranaense (0,4 million) 85% European
    Metropolitana de Curitiba (3,5 million) 80% European
    Oeste Paranaense (1,2 million) 80% European
    Centro-Oriental Paranaense (0,7 million) 80% European
    Norte Central Paranaense (2 million): 75% European
    Noroeste ( 0,7 million) 75% European
    Centro-Sul and Norte Pioneiro (1.1 million): 75% European
    Centro-Ocidental Paranaense (0,35 million): 75% European
    http://www.observatoriodasmetropoles..._Censo2011.pdf

    Some pics:
    Spoiler: 



    Romaria in Noroeste Rio Grandense







    Pics in Norte Central Paranaense















    Santa Catarina crowds in different parts of the state














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    https://books.google.com.br/books?id...ndrina&f=falsehttp://books.scielo.org/id/yvqhq/pdf...6286554-07.pdf

    About Northern Paraná, founded by Brazilians of other states.


    Um exame comparativo de 304 proprietários de terrenos registrados, na cidade de Umuarama (Centro-Ocidental Paranaense), mostra os seguintes dados de origem regional e étnica: 47% são de São Paulo (dos quais 55% são de ascendência luso-brasileira, 32% de italiana e 8% de japonesa), 14% estrangeiros (japoneses, portugueses, sírios, italianos e outros europeus), 12% do Paraná, 11% do Nordeste, 9% de Minas Gerais, 3% de Santa Catarina, 2% do Rio Grande do Sul, 2% do restante do Brasil.
    Do número total de proprietários de datas (terrenos urbanos): 59% são de ascendência luso-brasileira, 23% de italiana e 5% de japonesa, 5% são japoneses, 4% portugueses, 3% sírios e 1% de outras nacionalidades. — A comparação com proprietários de lotes rurais mostra, na cidade de Umuarama, um forte retrocesso dos proprietários de terrenos de ascendência italiana, em contraposição ao aumento dos de ascendência luso-brasileira e japonesa e à porcentagem da entrada de portugueses e sírios,
    que no Brasil se ocupam tradicionalmente do comércio.

    207 As principais regiões de emigração na Itália foram Vêneto, Piemonte, Abruzos, Ligúria, Campânia, Sicília, Lombardia, Emilia e
    Calábria. Quase 90% dos trabalhadores rurais italianos, no Paraná, vieram de Vêneto (BALHANA, 1956, p. 481; ROCCHETTI,
    1958).


    No ano de 1940, 17% da população paranaense não era nascida nesse estado. Em 1950, isso já
    correspondia a 31% da população total do estado
    , sendo que essa evolução se atribui quase que
    exclusivamente à migração interna de São Paulo para o frontier do café no Norte do Paraná. 53% da
    população que imigrou vêm de São Paulo, 24% de Minas Gerais e cerca de 8% do Nordeste.
    Apenas
    uma parcela de 15% provinda de Santa Catarina e do Rio Grande do Sul se opôs à migração interna dos
    estados do norte para a região cafeeira do Norte Novo e Norte Novíssimo. Aquela pertence sobretudo ao
    movimento de expansão dos colonos teuto e ítalo-brasileiros para as florestas subtropicais do Sudoeste
    e Oeste do Paraná (CIBPU, 1958, I, p. 3637; TORRES, 1957, p. 166).




    I remember reading that in 1945 the Italians and the Germans represented 18.5% of the population of the Norte Central Paranaenses (12,5% Italians and 6% Germans), 42% were from São Paulo (probably a lot of Spanish, Portuguese and Italian) and Minas Gerais. I just can not find the source. But if this is true, 18.5% of Euro foreigns three generations ago is a large number for Latin America.
    Last edited by Montanini; Yesterday at 21:02.

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