Main page Contacts Preview papers   Contents   Themes Subscription Information to authors Editorial board Standard version

Influence of the PCR artifacts on the genotyping efficiency by the microsatellite loci using native polyacrylamide gel electrophoresis

Kulibaba R.A., Liashenko Y.V.

SUMMARY. The formation of different types of the artifacts in the amplification reaction with using different classes of the molecular-genetic markers (Indel and SSR) was studied. It was shown that DNA heteroduplexes formed during amplification of heterozygous samples, as fragments of target genes and microsatellite loci. During the electrophoresis in native polyacrylamide gel of the amplification products of homozygous samples for microsatellite loci it was revealed specific additional fragments that do not belong to the class of heteroduplex DNA. It was supposed, that the additional fragments belong to a special type of homoduplex DNA – non-linear homoduplexes. The analysis revealed that the formation of a non-linear homoduplex DNA takes place on the 20–25 cycle of the PCR, both at the amplification of the individual samples, and individual DNA fragments that was cut out from the gel.

Key words: microsatellites, insertion, polymerase chain reaction, artifacts, heteroduplexes, homoduplexes

Tsitologiya i Genetika 2016, vol. 50, no. 3, pp. 16-23

E-mail: romankx rambler.ru

Kulibaba R.A., Liashenko Y.V. Influence of the PCR artifacts on the genotyping efficiency by the microsatellite loci using native polyacrylamide gel electrophoresis, Tsitol Genet., 2016, vol. 50, no. 3, pp. 16-23.

In "Cytology and Genetics":
R. A. Kulibaba, Y. V. Liashenko Influence of the PCR artifacts on the genotyping efficiency by the microsatellite loci using native polyacrylamide gel electrophoresis, Cytol Genet., 2016, vol. 50, no. 3, pp. 162–167
DOI: 10.3103/S0095452716030087