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  • Articles  (11)
  • electrophoresis  (11)
  • Springer  (11)
  • Blackwell Publishers Ltd
  • Blackwell Publishing Ltd
  • Emerald
  • International Union of Crystallography
  • 2020-2022
  • 1995-1999
  • 1985-1989
  • 1975-1979  (11)
  • 1965-1969
  • 1976  (11)
  • 1968
  • Biology  (11)
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  • Articles  (11)
Source
Keywords
Publisher
  • Springer  (11)
  • Blackwell Publishers Ltd
  • Blackwell Publishing Ltd
  • Emerald
  • International Union of Crystallography
    • +
Years
  • 2020-2022
  • 1995-1999
  • 1985-1989
  • 1975-1979  (11)
  • 1965-1969
Year
Topic
  • 1
    Electronic Resource
    Electronic Resource
    Genetic divergence of insular populations of deer mice (1976)
    Springer
    Biochemical genetics 14 (1976), S. 835-848 
    Details
    ISSN: 1573-4927
    Keywords: electrophoresis ; insular deer mice ; genetic variation ; genetic divergence
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Electrophoretic variants at 28 genetic loci were analyzed in subspecies of Peromyscus maniculatus endemic to the Channel Islands off the California coast. The genetic variability within insular populations was calculated. These deer mice have relatively high levels of polymorphism for insular populations. The mean heterozygosity per individual varies in the populations, being much higher on one of the islands than the others. Nei's measure of genetic distance between groups compared on the basis of electrophoretic variants was used. His estimate of time of divergence of these groups, based on genetic distance, is applicable particularly to closely related groups. The length of time each island population has been isolated from the others was calculated and found to be consistent with the periods of isolation estimated on the basis of geological data.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00485345
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  • 2
    Electronic Resource
    Electronic Resource
    Assignment of a gene for tryptophanyl-transfer ribonucleic acid synthetase (E.C. 6.1.1.2) to human chromosome 14 (1976)
    Springer
    Biochemical genetics 14 (1976), S. 99-117 
    Details
    ISSN: 1573-4927
    Keywords: tryptophanyl-tRNA synthetase ; mouse-human hybrids ; human chromosomes ; gene mapping ; electrophoresis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract We describe a simple method for locating tryptophanyl-tRNA synthetase (E.C. 6.1.1.2) on cellulose acetate gels (Cellogel) following electrophoresis. Employing electrophoretic conditions which result in the separation of mouse and human tryptophanyl-tRNA synthetases, we have analyzed extracts of a number of independently derived mouse-human somatic cell hybrids and subclones derived from these hybrids for the presence of human tryptophanyl-tRNA synthetase. Electrophoretic patterns of hybrid extracts which contain human tryptophanyl-tRNA synthetase exhibit three bands. This is consistent with published evidence that the enzyme from mammalian cells is a homologous dimer. The electrophoretic patterns derived from some hybrids are unusual in that the human and hybrid bands of activity are more intense than the mouse band from the same hybrid. An analysis of hybrid cells and extracts indicates that human tryptophanyl-tRNA synthetase segregates with human chromosome 14 and with the only enzyme marker which has previously been assigned to this chromosome, nucleoside phosphorylase.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00484877
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  • 3
    Electronic Resource
    Electronic Resource
    Genetic polymorphism of human anodal tear protein (1976)
    Springer
    Biochemical genetics 14 (1976), S. 225-235 
    Details
    ISSN: 1573-4927
    Keywords: electrophoresis ; polyacrylamide gels ; human anodal tear proteins ; gene frequencies
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Electrophoresis of human tears on slab polyacrylamide gels showed five phenotypes among anodal tear proteins. These phenotypes are the expression of autosomal codominant alleles. Gene frequencies are as follows: for Caucasians, At 1=0.99, At 3=0.01; for Negroes, At 1=0.97, At 2=0.03; for Chinese, At 1=0.98, and At 4 and At 5 are both approximately 0.008.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00484762
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  • 4
    Electronic Resource
    Electronic Resource
    The suppressor of forked mutation in Drosophila melanogaster: Interactions with the lozenge gene (1976)
    Springer
    Biochemical genetics 14 (1976), S. 611-617 
    Details
    ISSN: 1573-4927
    Keywords: Drosophila melanogaster ; phenol oxidases ; spectrophotometry ; electrophoresis ; suppression ; ribosomal proteins
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract An interaction between the lozenge gene and the suppressor of forked gene of Drosophila melanogaster has been investigated both spectrophotometrically and electrophoretically. The nature of this interaction is such that certain lozenge alleles appear to be phenotypically suppressed while others are enhanced or unaffected, and the results reported demonstrate that the effect can clearly be observed at the biochemical level. Earlier observations have suggested that the suppressor of forked gene codes for a ribosomal protein, and this hypothesis is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00485839
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  • 5
    Electronic Resource
    Electronic Resource
    Electrophoretic demonstration and initial characterization of human red cell NAD(P)+ase (1976)
    Springer
    Biochemical genetics 14 (1976), S. 877-882 
    Details
    ISSN: 1573-4927
    Keywords: NAD(P)+ase ; erythrocyte membrane ; electrophoresis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract A method for electrophoretic detection of NAD(P)+ ase solubilized from red cell membranes is described. The method reveals both NAD+ase and NADP+ase and can be applied to a screening procedure for the detection of electrophoretic variants. The initial characterization of the solubilized enzyme is also described.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00485349
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  • 6
    Electronic Resource
    Electronic Resource
    Genetics of esterases in Drosophila. IV. Slow-migrating S-esterase in Drosophila of the virilis group (1976)
    Springer
    Biochemical genetics 14 (1976), S. 161-182 
    Details
    ISSN: 1573-4927
    Keywords: esterases ; Drosophila imeretensis ; electrophoresis ; interspecific hybrids ; gene activation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract A slow-migrating β-esterase (S-esterase) is described which has been detected in Drosophila montana, Drosophila imeretensis, and some stocks of Drosophila virilis when mixtures of α- and β-naphthyl acetate are used as substrates in histochemical reactions after electrophoresis. Sexual dimorphism for S-esterase has been demonstrated. This esterase is contained in male genitalia only, predominantly in the ejaculatory bulb (waxy plug). It appears 3–4 days after emergence of flies. In hybrids between S+ and S0 species, the activity of the slow esterase is either decreased or inhibited. An autonomous synthesis of the S-esterase in the ejaculatory bulb was established by transplantation of imaginal genital discs into larvae of different Drosophila stocks. Based on analysis of physicochemical and immunochemical properties, S-esterase is suggested to be an independent fraction of esterase, possibly dimeric, which does not cross-react with β-esterase antiserum.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00484882
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  • 7
    Electronic Resource
    Electronic Resource
    Glucose 6-phosphate dehydrogenase in rainbow trout (1976)
    Springer
    Biochemical genetics 14 (1976), S. 245-258 
    Details
    ISSN: 1573-4927
    Keywords: G6PD ; rainbow trout ; isoenzymes ; electrophoresis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Electrophoretic analysis of glucose 6-phosphate dehydrogenase from liver and blood of rainbow trout revealed a complex series of bands, which could differ between fish. The partial interconvertible nature of these bands was demonstrated with enzyme that had been incompletely inactivated at pH 8.4. In a single population of 40 fish, a homozygote and a heterozygote for an electrophoretic variant allele were found. We suggest that G6PD in rainbow trout liver and blood is determined by two alleles at a single locus, with posttranslational modification responsible for the complex electrophoretic patterns seen. The basis for this variation appears to be NADH binding to the protein molecule. Another variant and other properties of the enzyme are described.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00484764
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  • 8
    Electronic Resource
    Electronic Resource
    Genetic studies of murine catalase: Regulation of multiple molecular forms of kidney catalase (1976)
    Springer
    Biochemical genetics 14 (1976), S. 59-66 
    Details
    ISSN: 1573-4927
    Keywords: electrophoresis ; inbred strains ; kidney catalase ; enzyme regulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Starch gel electrophoresis of kidney catalase in inbred strains C3H and C57BL/6, their F1 hybrid, and first and second backcross generations demonstrated that single-component (type A) v. multiple-component (type B) electrophoretic patterns are controlled by a single locus. The type A electrophoretic pattern is dominant. Twenty-five inbred strains of mice were classified according to their kidney catalase electrophoretic pattern. The data indicate that the segregating genetic factor determines a specific substance in the type A kidney which affects the electrophoretic mobility of catalase. A comparison of the F1 hybrid enzyme with a 1:1 mixture of C3H and C57BL/6 enzyme showed that the alteration of electrophoretic mobility is the result of posttranslational modification of the catalase molecule. An association of kidney catalase electrophoretic pattern and the H-2 k haplotype indicates that the locus controlling the electrophoretic pattern is most likely located on chromosome 17 in close proximity to the H-2 complex.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00484873
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  • 9
    Electronic Resource
    Electronic Resource
    Allelic expression in intergeneric fox hybrids (Alopex lagopus × Vulpes vulpes). I. Comparative electrophoretic studies on blood enzymes and proteins in Arctic and silver foxes (1976)
    Springer
    Biochemical genetics 14 (1976), S. 1091-1103 
    Details
    ISSN: 1573-4927
    Keywords: electrophoresis ; Arctic and silver foxes ; enzymes and proteins
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Twenty-seven blood enzymes and proteins, whose structures are presumably controlled by at least 33 genes, were assayed in Arctic and silver foxes by starch gel electrophoresis. Two types of protein and enzyme electrophoretic patterns were distinguished: one exhibiting a single enzyme, the other several isozymes. The two fox species were found to differ in seven of the 27 enzymes and proteins studied: glucose-6-phosphate dehydrogenase, adenylate kinase, erythrocyte carboxylesterase, diaphorase, prealbumin, transferrin, and albumin. No differences were established between the species for the other enzymes and proteins. The data are interpreted as evidence for the existence of a set of enzymes and proteins differentiating the Arctic from the silver fox.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00485140
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  • 10
    Electronic Resource
    Electronic Resource
    Isozyme variability in species of the genus Drosophila. VIII. The alcohol dehydrogenase polymorphism in north carolina populations of D. melanogaster (1976)
    Springer
    Biochemical genetics 14 (1976), S. 47-58 
    Details
    ISSN: 1573-4927
    Keywords: electrophoresis ; alcohol dehydrogenase ; Drosophila melanogaster ; isozymes ; genetic variation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Adult Drosophila melanogaster flies collected from populations broadly dispersed over ecological and geographic strata of North Carolina, and over a period of 4 years, were analyzed for alcohol dehydrogenase phenotypes by gel electrophoresis. Gene frequencies in spring-summer-fall field collections were remarkably stable over all strata. Two winter collections exhibited contrasting gene frequency changes. In one case the results are interpreted in terms of long-distance migration from Florida, while the other is explicable by assignment of a causal role to environmental factors which accompany the winter season.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00484872
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