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Genetic structure of aboriginal populations of the northeast of the ussr 3. asiatic eskimos coast and reindeer chukchis



Genetic structure of aboriginal populations of the northeast of the ussr 3. asiatic eskimos coast and reindeer chukchis



Genetika 20(11): 1902-1909



The genetic structure of 3 Asiatic eskimos subpopulations (402 individuals), 5 coast chuckchies subpopulations (1793 individuals) and 3 reindeer chuckchies subpopulations (559 individuals) were studied for 26 electrophoretic protein systems (33 loci). These are: adenylate-kinase (AK), diaphorase NAD .cntdot. H (Dia), glyoxalase-1 (GLO-1), glucose-6-phosphate dehydrogenase (6GPT), glutamatpyruvate transminase (GPT), glutamicoxalate transaminase (GOT), carbonic anhydrase-1 (Ca-1), catalase (Ct), acid phosphtase (AcP), lactate dehydrogenase (loci LDH-A and LDH-B), leucine aminopeptidase (Lap), malatedehydrogenase (MDH), purine nucleoside phosphorylase (PNP), superoxide dismutase (Sod), 6-phosphogluconate dehydrogenase (PGD), phosphoglucomutase (loci PGM1 and PGM2), cholinesterase (loci c1-c5), alkaline phosphatase (Pp), esterase D (EsD), red cell esterase (Est)-4 loci, albumin, (Alb), haptoglobin (Hp), Hb A and B, group-specific component (Gc), transferrin (Tf), ceruloplasmin (Cp). AB0 and Rh system blood groups and phenyl thiocarbamide taste sensitivity (PTC) were studied, 12 of 36 loci are polymorphic (33.33%), heterozygosity for all loci in eskimos, coastal and reindeer chuckchies being 0.118 .+-. 0.005, 0.130 .+-. 0.002 and 0.120 .+-. 0.004, respectively. These estimates do not differ essentially from heterozygosity at these loci for mongoloid groups living further south. The test for interpopulation heterogeneity has permitted to estimate contribution of the loci to the differentiation of these populations. The least heterogeneity was found at loci where gene frequency distribution is the most specific for these ethnic groups.

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Accession: 005516625

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