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  • Genetic polymorphism  (1)
  • India  (1)
  • Triticum aestivum  (1)
  • haptoglobin  (1)
  • red cell enzymes  (1)
Datenquelle
Materialart
Erscheinungszeitraum
Schlagwörter
  • 1
    Digitale Medien
    Digitale Medien
    Genetic differentiation among the three Hindu low caste groups of Malda district, West Bengal, India (1992)
    Springer
    International journal of anthropology 7 (1992), S. 7-15 
    Details
    ISSN: 1824-3096
    Schlagwort(e): Genetic polymorphism ; three descendants of Koch ; population affinities ; North Bengal ; India
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Three descendants of Koch, Indo-Mongolid populations, have been studied for their 12 genetic markers of blood group, red cell enzyme and serum protein. Distribution of their phenotype and allele frequencies shows some variants apart from their common alleles. Analysis on genetic material reveals very low differentiation coefficient (GST) value for the total population, and in the distance measure the Poliya and the Tiyor stand close to each other compared to other populations. Data on ethnohistory of the peoples have been discussed in the light of the results obtained from genetic analysis.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02445037
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Associations and genetics of three components of slow rusting in leaf rust of wheat (1993)
    Springer
    Euphytica 68 (1993), S. 99-109 
    Details
    ISSN: 1573-5060
    Schlagwort(e): wheat ; Puccinia recondita f.sp. tritici ; Triticum aestivum ; slow rusting resistance ; leaf rust ; brown rust ; genetics
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Summary Forty F6 lines, the two parental lines, and a susceptible check cultivar of wheat (Triticum aestivum L.) were inoculated in the young flag leaf stage with leaf rust (Puccinia recondita f.sp. tritici) and evaluated for latent period, receptivity, and uredinium size in a greenhouse experiment. Genotypic (rg) and phenotypic (rp) correlations between latent period and uredinium size were −0.81 and −0.62, respectively. A negative correlation (rg=−0.50, rp=−0.41) was found between latent period and receptivity and a positive correlation (rg=0.28, rp=0.26) between uredinium size and receptivity was found. Area under the disease progress curve (AUDPC) and final rust severity (FRS) obtained from a subsequent field study with common entries were negatively correlated with latent period and positively correlated with uredinium size. Correlations of receptivity with both AUDPC and FRS were not significant. The distributions of F6 family mean uredinia size and latent period were continuous between slow rusting and fast rusting parents: however, the distribution for receptivity was discrete. Narrow-sense heritability estimates were 63%, 57%, and 47% for uredinium size, latent period, and receptivity, respectively. Estimates of the minimum number of effective factors were three for latent period and three or four for the uredinium size and receptivity. The components are controlled by closely linked genes or due to pleotropic effects of the same gene.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00024159
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    The distribution of some serum protein and red cell enzyme polymorphisms in the Koch ethnic group of west Bengal, India (1990)
    Springer
    Journal of human genetics 35 (1990), S. 253-256 
    Details
    ISSN: 1435-232X
    Schlagwort(e): mongoloid population ; blood genetic markers ; haptoglobin ; transferrin and Gc subtypes ; phosphoglucomutase subtypes ; Poliya-Deshi ; Tiyor
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Summary Three populations (Poliya, Deshi, and Tiyor) of the Koch ethnic group have been studied for the distribution of three serum protein and four red cell enzyme polymorphisms. There was no significant difference in the allelic frequencies of these systems in the three populations of the Koch ethnic group. The overall gene frequencies were as follows:Hp 1, 0.21;Gc 1F, 0.34;Gc 1s, 0.36;Gc 2, 0.30;Tf C1, 0.66;Tf C2, 0.26;Tf C3, 0.001;Tf D, 0.06;GLO 1, 0.21;PGI 2, 0.04;AK 2, 0.01;PGM 1+, 0.80;PGM 1−, 0.06;PGM 2+, 0.11 andPGM 2−, 0.02. The phenotypic distribution at all the loci was at Hardy-Weinberg equilibrium.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01876854
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    Study of enzyme polymorphism and haemoglobin patterns amongst sixteen tribal populations of central India (Orissa, Madhya Pradesh, and Maharashtra) (1993)
    Springer
    Journal of human genetics 38 (1993), S. 297-313 
    Details
    ISSN: 1435-232X
    Schlagwort(e): genetic polymorphism ; tribal groups ; Central India ; red cell enzymes ; haemoglobin ; gene diversity
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Summary A survey was conducted to study the genetic differentiation among 16 tribal groups of Orissa, Madhya Pradesh, and Maharashtra belonging to different ethnic and linguistic affiliations. Sixteen hundred and fifteen blood samples from both sexes were tested for 5 red cell enzyme systems: ACP, ESD, PGD, GLO, LDH, and Hb pattern. Three hundred and nineteen male individuals were tested for G-6-PD enzyme deficiency. The distribution of the enzyme markers and Hb show a range of variation which are more or less within the Indian range. Case of homozygous HbSS were detected in all the tribes except 3 tribes in Orissa. Two cases of LDH Cal-1 homozygote were found in two Dravidian language speaking Orissa tribes. The X2-values for testing the homogeneity of gene frequencies indicate a non-significant heterogeneity for all alleles in the individual system. Within population diversity seems to be larger than between population diversity. The degree of over all genetic differentiation as measured by GST value is 0.0154±0.0071.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01874140
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