Further blood genetic studies on Amazonian diversity--data from four Indian groups. 1994

S M Callegari-Jacques, and F M Salzano, and T A Weimer, and M H Hutz, and F L Black, and S E Santos, and J F Guerreiro, and M A Mestriner, and J P Pandey
Mathematics Institute, Federal University of Rio Grande do Sul, Porto Alegre, Brazil.

Information related to 31 protein genetic systems was obtained for 307 individuals affiliated with the Cinta Larga, Karitiana, Surui and Kararaô Indians of northern Brazil. In terms of genetic distances the Cinta Larga showed more similarities with the Karitiana (both are Tupi-speaking tribes), while at a more distant level the Surui clustered with the Kararaô. The latter, a Cayapo subgroup, showed a completely different genetic constitution from the other subgroups of this same tribe. Both the Kararaô and Karitiana are small, remnant populations, and their gene pools have presumably been severely affected by random and founder effects. These results were incorporated with those of 25 other Amazonian Indian tribes, and analysis by two multivariate techniques confirmed a previously observed geographical dichotomy, suggesting either that the Amazon river constitutes a barrier to north-south gene flow or that latitudinally different past migrations entered the region from the west.

UI MeSH Term Description Entries
D007199 Indians, South American Members of indigenous South American populations with pre-colonial contact origins. Amerinds, South American,Indigenous South Americans,American Amerind, South,American Indian, South,American, Indigenous South,Americans, Indigenous South,Amerind, South American,Indian, South American,Indigenous South American,South American Amerind,South American Amerinds,South American Indian,South American Indians,South American, Indigenous,South Americans, Indigenous
D007802 Language A verbal or nonverbal means of communicating ideas or feelings. Dialect,Dialects,Languages
D008297 Male Males
D010641 Phenotype The outward appearance of the individual. It is the product of interactions between genes, and between the GENOTYPE and the environment. Phenotypes
D001789 Blood Group Antigens Sets of cell surface antigens located on BLOOD CELLS. They are usually membrane GLYCOPROTEINS or GLYCOLIPIDS that are antigenically distinguished by their carbohydrate moieties. Blood Group,Blood Group Antigen,Blood Groups,Antigen, Blood Group,Antigens, Blood Group,Group Antigen, Blood,Group, Blood,Groups, Blood
D001938 Brazil A country located on the eastern coast of South America, located between Colombia and Peru, that borders the Atlantic Ocean. It is bordered on the north by Venezuela, Guyana, Suriname, and French Guiana, on the south by Uruguay, and on the west by Argentina. The capital is Brasilia.
D004641 Emigration and Immigration The process of leaving one's country to establish residence in a foreign country. Immigration,Labor Migration,Border Crossing,Chain Migration,Emigration,In-Migration,International Migration,Out-Migration,Return Migration,Settlement and Resettlement,Temporary Migration,Turnaround Migration,Border Crossings,Chain Migrations,Crossing, Border,Crossings, Border,Emigrations,Immigration and Emigration,Immigrations,In Migration,In-Migrations,International Migrations,Labor Migrations,Migration, Chain,Migration, International,Migration, Labor,Migration, Return,Migration, Temporary,Migration, Turnaround,Migrations, Chain,Migrations, International,Migrations, Labor,Migrations, Return,Migrations, Temporary,Migrations, Turnaround,Out Migration,Out-Migrations,Resettlement and Settlement,Return Migrations,Temporary Migrations,Turnaround Migrations
D005260 Female Females
D005787 Gene Frequency The proportion of one particular in the total of all ALLELES for one genetic locus in a breeding POPULATION. Allele Frequency,Genetic Equilibrium,Equilibrium, Genetic,Allele Frequencies,Frequencies, Allele,Frequencies, Gene,Frequency, Allele,Frequency, Gene,Gene Frequencies
D005788 Gene Pool The total genetic information possessed by the reproductive members of a POPULATION of sexually reproducing organisms. Gene Pools,Pool, Gene,Pools, Gene

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