Detection of homozygous individuals in gene transfer experiments by semiquantitative PCR

Aigner, B.; Brem, G.

Biotechniques 18(5): 754

1995


ISSN/ISBN: 0736-6205
PMID: 7619470
Document Number: 452070
Generation of homozygous transgenic lines facilitates breeding control and subsequent analysis in gene transfer experiments. Identification of homozygous animals by a semiquantitative PCR technique is described. This uses ethidium bromide stain and visual evaluation of amplification products. Optimization was carried out to distinguish between homozygous and hemizygous mice transgenic for wild-type murine tyrosinase gene construct ptrTyr4. The procedure can also be used for breeding control and, in a modified form, for classifying different mouse lines in regard to transgene copy number.

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