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  • Title: Evaluation of oligonucleotide probes for simple tandem repeats (STR) to produce informative DNA fingerprints of the chicken.
    Author: Wimmers K, Ponsuksili S, Valle-Zarate A, Horst P, Wittig B.
    Journal: Br Poult Sci; 1998 Mar; 39(1):62-9. PubMed ID: 9568301.
    Abstract:
    1. DNA fingerprints of chickens from 2 commercial lines were used to identify oligonucleotide probes providing informative DNA fingerprints. 2. The oligonucleotides [CA]8, [CAC]5, [GGAT]4 and [GACA]4, producing a high number of bands of sufficient intensity and regular distribution, were chosen for further analysis out of 10 tested. 3. Analyses of banding patterns within families revealed Mendelian inheritance of the fragments detected. The DNA fingerprints obtained with the 4 chosen oligonucleotide probes showed about 40 scorable bands in total. 4. Comparison of banding patterns within and between the chicken lines for all 4 oligonucleotide probes revealed levels of bandsharing which did not differ significantly. The number of loci detected by these probes ranged from 25 to 30 each. 5. The probes [CA]8, [CAC]5, [GGAT]4 and [GACA]4 can be used to produce informative DNA fingerprints of chicken. These probes provide estimates of the genetic similarity/variability of individuals or of populations and provide a valid measure of the actual degree of genetic similarity/variability.
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