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  • Chemistry  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Electrophoresis 12 (1991), S. 113-118 
    ISSN: 0173-0835
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Simple sequences are short regions of tandem repetitions of mono-, di-, tri-, or tetranucleotide motifs and occur as repetitive elements in all eukaryotic genomes. These regions tend to be hypervariable in length and can therefore be exploited for DNA fingerprinting purposes, using the polymerase chain reaction with primers flanking such regions. We describe how suitable simple-sequence loci can be isolated from any given eukaryotic DNA. We show the DNA sequences for a number of variants of such loci and discuss the current results on their usefulness for DNA fingerprinting.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Electrophoresis 16 (1995), S. 722-728 
    ISSN: 0173-0835
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Information about sequence variability between different copies of a multigene family is indispensable for understanding the evolutionary mechanisms acting on multigene families. However, their high copy number has been a major obstacle to systematic analysis. Exemplified by the internal transcribed spacer 1 (ITS1) of the rDNA in Drosophila melanogaster, it is shown how temperature gradient gel electrophoresis (TGGE) can be used to study sequence polymorphisms in a multigene family. Experimental conditions influencing the melting behavior of the ITS1 fragment are discussed as well as discrepancies between observed and calculated melting patterns.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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